/* ==========================================================================
   COMS Unified UI Design System — Discord + WhatsApp Hybrid Architecture
   Dark-first Slate/Charcoal Surfaces + WhatsApp Emerald/Teal Accents
   ========================================================================== */

:root {
  --ui-bg: #0b0f15;
  --ui-bg-raised: #111722;
  --ui-rail-bg: #070a0e;
  --ui-sidebar-bg: #0f151e;
  --ui-dock-bg: #0a0e14;
  --ui-chat-bg: #0b1017;
  --ui-panel: #131b26;
  --ui-panel-strong: #182230;
  --ui-panel-soft: #1e2a3b;
  --ui-line: #223042;
  --ui-line-strong: #2f4259;
  --ui-text: #f0f6f4;
  --ui-muted: #9cb0be;
  --ui-subtle: #6e8494;
  --ui-accent: #25d366;
  --ui-accent-hover: #3be27a;
  --ui-accent-strong: #1da851;
  --ui-accent-ink: #042111;
  --ui-accent-glow: 0 0 24px rgb(37 211 102 / 26%);
  --ui-bubble-out: #005c4b;
  --ui-bubble-out-border: rgba(37, 211, 102, 0.16);
  --ui-bubble-out-text: #e9edef;
  --ui-bubble-in: #202c33;
  --ui-bubble-in-border: rgba(255, 255, 255, 0.06);
  --ui-bubble-in-text: #e9edef;
  --ui-warning: #f5b951;
  --ui-danger: #f25f6d;
  --ui-shadow: 0 24px 72px rgb(0 0 0 / 48%);
  --ui-shadow-soft: 0 10px 30px rgb(0 0 0 / 28%);
  --ui-shadow-glow: 0 4px 20px rgb(37 211 102 / 20%);
  --ui-radius-sm: 10px;
  --ui-radius-md: 14px;
  --ui-radius-lg: 20px;
  --ui-focus: 0 0 0 3px rgb(37 211 102 / 30%);
}

html[data-theme="light"] {
  --ui-bg: #eef3f0;
  --ui-bg-raised: #ffffff;
  --ui-rail-bg: #dde5e0;
  --ui-sidebar-bg: #f5f8f6;
  --ui-dock-bg: #e7efeb;
  --ui-chat-bg: #efeae2;
  --ui-panel: #ffffff;
  --ui-panel-strong: #f7faf8;
  --ui-panel-soft: #eaf2ed;
  --ui-line: #d2dfd8;
  --ui-line-strong: #b6cbc0;
  --ui-text: #111b21;
  --ui-muted: #465a65;
  --ui-subtle: #667781;
  --ui-accent: #008069;
  --ui-accent-hover: #01987d;
  --ui-accent-strong: #006855;
  --ui-accent-ink: #f0fdf8;
  --ui-accent-glow: 0 0 18px rgb(0 128 105 / 18%);
  --ui-bubble-out: #d9fdd3;
  --ui-bubble-out-border: #b3e8ab;
  --ui-bubble-out-text: #111b21;
  --ui-bubble-in: #ffffff;
  --ui-bubble-in-border: #dce5e0;
  --ui-bubble-in-text: #111b21;
  --ui-warning: #8f5c0d;
  --ui-danger: #c42b3b;
  --ui-shadow: 0 20px 60px rgb(17 27 33 / 10%);
  --ui-shadow-soft: 0 8px 24px rgb(17 27 33 / 6%);
  --ui-shadow-glow: 0 4px 16px rgb(0 128 105 / 16%);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background: var(--ui-bg);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background:
    radial-gradient(circle at 12% -10%, rgb(37 211 102 / 11%), transparent 34rem),
    radial-gradient(circle at 88% 12%, rgb(88 101 242 / 10%), transparent 38rem),
    var(--ui-bg);
  color: var(--ui-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -0.011em;
  line-height: 1.5;
  margin: 0;
}

/* Custom sleek scrollbars (Discord/WhatsApp slim style) */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--ui-line-strong) 75%, transparent);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ui-accent);
}

a {
  text-underline-offset: 3px;
}

button, input, select, textarea {
  font: inherit;
}

button, a, input, select, textarea, summary {
  -webkit-tap-highlight-color: transparent;
}

button, .button, a.button {
  transition:
    transform 0.16s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.16s ease,
    background 0.16s ease,
    color 0.16s ease,
    border-radius 0.18s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

button:not(:disabled):hover, a.button:hover {
  transform: translateY(-1px);
}

button:active:not(:disabled), a.button:active {
  transform: translateY(0);
}

button:disabled, [aria-disabled="true"] {
  cursor: not-allowed;
}

:focus-visible {
  outline: 2px solid var(--ui-accent);
  outline-offset: 2px;
  box-shadow: var(--ui-focus);
}

/* ==========================================================================
   SHARED BUTTONS, INPUTS & CARDS
   ========================================================================== */

.button, .button-quiet, .button-primary, .account-choice, .theme-toggle,
.avatar-button, .contact-action {
  min-height: 40px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-line-strong);
}

.button {
  padding: 9px 15px;
  font-weight: 650;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  background: linear-gradient(135deg, var(--ui-accent), var(--ui-accent-strong));
  border-color: var(--ui-accent);
  color: var(--ui-accent-ink);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--ui-accent) 26%, transparent);
  font-weight: 700;
}

.button-primary:hover:not(:disabled) {
  background: var(--ui-accent-hover);
  border-color: var(--ui-accent-hover);
  color: var(--ui-accent-ink);
  box-shadow: 0 6px 22px color-mix(in srgb, var(--ui-accent) 38%, transparent);
}

.button-quiet, .theme-toggle, .avatar-button {
  background: color-mix(in srgb, var(--ui-text) 5%, transparent);
  color: var(--ui-text);
  border-color: var(--ui-line);
}

.button-quiet:hover:not(:disabled), .theme-toggle:hover, .avatar-button:hover {
  border-color: var(--ui-accent);
  background: color-mix(in srgb, var(--ui-accent) 13%, transparent);
}

.button-danger {
  background: color-mix(in srgb, var(--ui-danger) 18%, var(--ui-panel));
  border-color: color-mix(in srgb, var(--ui-danger) 55%, var(--ui-line));
  color: var(--ui-text);
}

.button-danger:hover:not(:disabled) {
  background: var(--ui-danger);
  color: #fff;
}

.button:disabled, .button-quiet:disabled, .button-primary:disabled {
  opacity: 0.5;
  box-shadow: none;
  transform: none;
}

input, select, textarea, .text-input, .u-search-input, .chat-form input[type="text"] {
  border: 1px solid var(--ui-line-strong);
  background: var(--ui-bg-raised);
  color: var(--ui-text);
  border-radius: var(--ui-radius-sm);
  padding: 9px 13px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

input:focus, select:focus, textarea:focus, .text-input:focus, .u-search-input:focus {
  border-color: var(--ui-accent);
  box-shadow: var(--ui-focus);
  outline: 0;
}

/* ==========================================================================
   MAIN MESSAGING WORKSPACE (/chat — Discord + WhatsApp Hybrid)
   ========================================================================== */

body.spa-chat {
  background: var(--ui-rail-bg);
  color: var(--ui-text);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

body.spa-chat .shell.workspace-shell.spa-shell {
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

/* Unified App Topbar (WhatsApp/Discord Title + Quick Switcher) */
body.spa-chat .topbar.spa-topbar {
  position: relative;
  top: 0;
  z-index: 50;
  min-height: 56px;
  padding: 8px 16px;
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  border-radius: 0;
  background: var(--ui-sidebar-bg);
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

body.spa-chat .topbar > .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--ui-text);
  padding-right: 6px;
}

body.spa-chat .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--ui-accent), var(--ui-accent-strong));
  color: var(--ui-accent-ink);
  border: 0;
  box-shadow: 0 2px 10px color-mix(in srgb, var(--ui-accent) 32%, transparent);
  font-weight: 900;
}

/* Workspace navigation tabs: hidden in chat topbar since navigation is handled via left rail & bottom user dock */
body.spa-chat .workspace-tabs {
  display: none !important;
}

body.spa-chat .workspace-tab {
  min-height: 32px;
  padding: 5px 12px;
  border-radius: 7px;
  border: 0;
  background: transparent;
  color: var(--ui-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

body.spa-chat .workspace-tab:hover {
  color: var(--ui-text);
  background: color-mix(in srgb, var(--ui-text) 6%, transparent);
}

body.spa-chat .workspace-tab.active {
  color: var(--ui-accent-ink);
  background: var(--ui-accent);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--ui-accent) 28%, transparent);
  font-weight: 700;
}

/* Active Conversation / Channel Header inside Chat Viewport */
body.spa-chat .chat-header.spa-threadbar {
  min-height: 56px;
  height: 56px;
  max-height: 56px;
  min-width: 0;
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--ui-line);
  background: color-mix(in srgb, var(--ui-sidebar-bg) 85%, var(--ui-chat-bg));
  backdrop-filter: blur(12px);
  z-index: 20;
  flex: 0 0 56px !important;
  box-sizing: border-box;
}

body.spa-chat .chat-header.spa-threadbar #chat-back-btn,
body.spa-chat .chat-back {
  display: none !important;
}

body.spa-chat .chat-peer-identity {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 10px;
  min-width: 0 !important;
  flex: 1 1 auto !important;
  overflow: hidden;
  cursor: pointer !important;
  padding: 4px 8px !important;
  border-radius: 12px !important;
  transition: background 0.15s ease, transform 0.15s ease !important;
  user-select: none !important;
}

body.spa-chat .chat-peer-identity:hover {
  background: color-mix(in srgb, var(--ui-text) 7%, transparent) !important;
}

body.spa-chat .chat-peer-identity:active {
  transform: scale(0.99) !important;
}

body.spa-chat .chat-peer-avatar {
  position: relative;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ui-accent) 18%, var(--ui-panel-strong));
  border: 1px solid color-mix(in srgb, var(--ui-accent) 40%, var(--ui-line));
  color: var(--ui-accent);
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
  margin: 0;
}

body.spa-chat .chat-peer-info {
  min-width: 0 !important;
  flex: 1 1 auto !important;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  overflow: hidden;
}

body.spa-chat .chat-peer-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ui-text);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.25;
}

body.spa-chat .chat-peer-status {
  font-size: 0.74rem;
  color: var(--ui-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.25;
}

body.spa-chat .chat-header-actions {
  display: inline-flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  gap: 8px !important;
  flex: 0 0 auto !important;
  flex-basis: auto !important;
  margin-left: auto !important;
}

body.spa-chat .chat-header-actions .button {
  min-height: 34px;
  font-size: 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}

body.spa-chat #view-safety-btn {
  padding: 0 12px !important;
  font-size: 0.75rem !important;
  white-space: nowrap !important;
  border-radius: 999px !important;
  height: 34px !important;
  min-height: 34px !important;
  flex-shrink: 0 !important;
}

/* Call action buttons: sleek circular icon buttons with hover glow */
body.spa-chat .topbar-call-btn,
body.spa-chat .chat-header-actions .icon-button {
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ui-panel);
  border: 1px solid var(--ui-line);
  color: var(--ui-text);
  font-size: 1rem;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0 !important;
  position: static;
  margin: 0;
}

body.spa-chat .topbar-call-btn .btn-glyph {
  display: inline-block;
  line-height: 1;
}

body.spa-chat .topbar-call-btn:not([disabled]):hover,
body.spa-chat .chat-header-actions .icon-button:not([disabled]):hover {
  background: color-mix(in srgb, var(--ui-accent) 18%, var(--ui-panel));
  border-color: var(--ui-accent);
  color: var(--ui-accent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--ui-accent) 30%, transparent);
  transform: translateY(-1px);
}

body.spa-chat .topbar-call-btn[disabled],
body.spa-chat .chat-header-actions .icon-button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Streamlined header text buttons (Block / Security / Details) are accessible via the User Menu avatar */
body.spa-chat #chat-block-btn,
body.spa-chat #open-security-sheet,
body.spa-chat #toggle-details-btn {
  display: none !important;
}

/* User Menu Dropdown styling */
body.spa-chat .user-menu-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 6px;
}

body.spa-chat .user-menu-heading {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ui-muted);
  padding: 4px 10px;
}

body.spa-chat .user-menu-divider {
  height: 1px;
  background: var(--ui-line);
  margin: 6px 0;
}

body.spa-chat .profile-menu-panel .menu-danger {
  color: var(--ui-danger);
}

body.spa-chat .profile-menu-panel .menu-danger:hover {
  background: color-mix(in srgb, var(--ui-danger) 16%, transparent);
}

/* Right Topbar Tools (Search + Notifications + Theme + Account) */
body.spa-chat .spa-tools {
  grid-area: tools;
  display: flex;
  align-items: center;
  gap: 8px;
}

body.spa-chat .spa-search {
  width: clamp(11rem, 16vw, 16rem);
}

body.spa-chat .spa-search .u-search-input {
  height: 34px;
  padding: 5px 12px;
  font-size: 0.8rem;
  border-radius: 999px;
  background: var(--ui-dock-bg);
  border: 1px solid var(--ui-line);
}

body.spa-chat .spa-tools .theme-choices {
  display: none;
}

/* ==========================================================================
   4-COLUMN DISCORD + WHATSAPP WORKSPACE GRID
   ========================================================================== */

body.spa-chat .chat-layout.spa-workspace {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--ui-chat-bg);
  box-shadow: none;
  display: grid;
  grid-template-columns: 72px minmax(270px, 320px) minmax(0, 1fr) auto;
}

/* COLUMN 1: Discord Far-Left Server & Mode Rail */
body.spa-chat .chat-rail {
  background: var(--ui-rail-bg);
  border-right: 1px solid var(--ui-line);
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  overflow-y: auto;
  scrollbar-width: none;
  z-index: 10;
}

body.spa-chat .chat-rail::-webkit-scrollbar {
  display: none;
}

body.spa-chat .rail-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}

body.spa-chat .rail-divider {
  width: 32px;
  height: 2px;
  border-radius: 999px;
  background: var(--ui-line);
  margin: 2px 0;
  flex-shrink: 0;
}

body.spa-chat .rail-icon,
body.spa-chat .server-dot {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 24px;
  background: var(--ui-panel);
  border: 1px solid var(--ui-line);
  color: var(--ui-muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
  transition:
    border-radius 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease;
}

body.spa-chat .rail-icon:hover,
body.spa-chat .server-dot:hover {
  border-radius: 16px;
  background: var(--ui-accent);
  border-color: var(--ui-accent);
  color: var(--ui-accent-ink);
  transform: none;
}

body.spa-chat .rail-icon.active,
body.spa-chat .server-dot.active {
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ui-accent), var(--ui-accent-strong));
  border-color: var(--ui-accent);
  color: var(--ui-accent-ink);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--ui-accent) 32%, transparent);
}

/* Discord Left Active Pill Bar */
body.spa-chat .rail-pill {
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 0;
  border-radius: 0 4px 4px 0;
  background: var(--ui-text);
  transition: height 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

body.spa-chat .rail-icon:hover .rail-pill,
body.spa-chat .server-dot:hover .rail-pill {
  height: 20px;
}

body.spa-chat .rail-icon.active .rail-pill,
body.spa-chat .server-dot.active .rail-pill {
  height: 36px;
  background: var(--ui-accent);
}

body.spa-chat .rail-glyph {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

/* COLUMN 2: WhatsApp Conversation List + Discord Channel Tree */
body.spa-chat .spa-sidebar {
  width: auto;
  min-width: 0;
  background: var(--ui-sidebar-bg);
  border-right: 1px solid var(--ui-line);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

body.spa-chat .spa-sidebar-head {
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--ui-line);
  background: var(--ui-sidebar-bg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

body.spa-chat .sidebar-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

body.spa-chat .spa-kicker {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ui-muted);
}

body.spa-chat .sidebar-add-btn {
  min-height: 28px;
  padding: 3px 10px;
  font-size: 0.74rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ui-accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--ui-accent) 40%, var(--ui-line));
  color: var(--ui-accent);
}

/* Conversation folder tabs (Direct / Groups / Communities / Files): hidden since left Discord rail handles channel modes */
body.spa-chat .sidebar-tabs {
  display: none !important;
}

/* Scrollable Conversation / Channel List Area */
body.spa-chat .sidebar-scroll-area {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* WhatsApp Conversation List Rows */
body.spa-chat .conversations-list {
  gap: 3px;
}

body.spa-chat .conversation-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

body.spa-chat .group-item {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 10px !important;
  min-height: 48px !important;
  padding: 8px 10px !important;
  border-radius: 12px !important;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  position: relative !important;
  transition: all 0.15s ease;
}

body.spa-chat .conversation-item:hover,
body.spa-chat .group-item:hover {
  background: color-mix(in srgb, var(--ui-text) 5%, transparent);
  border-color: var(--ui-line);
}

body.spa-chat .conversation-item.active,
body.spa-chat .group-item.active {
  background: color-mix(in srgb, var(--ui-accent) 14%, var(--ui-panel));
  border-color: color-mix(in srgb, var(--ui-accent) 42%, var(--ui-line));
}

body.spa-chat .conversation-item .avatar,
body.spa-chat .group-item .avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(145deg, color-mix(in srgb, var(--ui-accent) 26%, var(--ui-panel-strong)), var(--ui-panel-strong));
  border: 1px solid color-mix(in srgb, var(--ui-accent) 35%, var(--ui-line));
  color: var(--ui-text);
  font-size: 0.95rem;
  font-weight: 800;
  display: inline-grid;
  place-items: center;
  position: relative;
  flex-shrink: 0;
}

body.spa-chat .group-item .avatar {
  flex: 0 0 42px !important;
  font-size: 1.2rem;
}

body.spa-chat .conversation-meta,
body.spa-chat .group-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

body.spa-chat .group-meta {
  flex: 1 1 0% !important;
}

body.spa-chat .conversation-name,
body.spa-chat .group-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ui-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap !important;
  line-height: 1.3;
}

body.spa-chat .conv-preview,
body.spa-chat .group-preview {
  font-size: 0.74rem;
  color: var(--ui-subtle);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap !important;
  line-height: 1.3;
}

body.spa-chat .conversation-badge {
  font-size: 0.66rem;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ui-text) 6%, var(--ui-dock-bg));
  border: 1px solid var(--ui-line);
  color: var(--ui-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Pinned Chats & Unread Badges in Conversation List */
body.spa-chat .conversation-item.is-pinned {
  background: color-mix(in srgb, var(--ui-accent) 7%, transparent);
  border-left: 3px solid var(--ui-accent);
}

body.spa-chat .conversation-item.is-pinned:hover {
  background: color-mix(in srgb, var(--ui-accent) 12%, transparent);
}

.conv-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.conv-time {
  font-size: 0.68rem;
  color: var(--ui-subtle);
  white-space: nowrap;
  flex-shrink: 0;
}

.conv-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.conv-indicators {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.pinned-chat-badge {
  font-size: 0.72rem;
  line-height: 1;
  opacity: 0.85;
}

.conversation-unread-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 19px;
  height: 19px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--ui-accent, #25d366);
  color: var(--ui-accent-ink, #042111);
  font-size: 0.70rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  box-shadow: 0 2px 8px rgb(37 211 102 / 36%);
  flex-shrink: 0;
}

/* Thread Sticky Pinned Message Banner */
.thread-pinned-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 14px;
  background: color-mix(in srgb, var(--ui-panel) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ui-line);
  position: sticky;
  top: 0;
  z-index: 15;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.thread-pinned-banner .pinned-banner-info {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.thread-pinned-banner .pinned-banner-icon {
  font-size: 0.95rem;
  color: var(--ui-accent);
  flex-shrink: 0;
}

.thread-pinned-banner .pinned-banner-text-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.thread-pinned-banner .pinned-banner-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ui-accent);
}

.thread-pinned-banner .pinned-banner-snippet {
  font-size: 0.8rem;
  color: var(--ui-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread-pinned-banner .pinned-banner-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.message-bubble.highlight-pulse {
  animation: pulseMessage 1.5s ease;
}

@keyframes pulseMessage {
  0% { box-shadow: 0 0 0 0 rgb(37 211 102 / 60%); }
  40% { box-shadow: 0 0 0 8px rgb(37 211 102 / 30%); }
  100% { box-shadow: 0 0 0 0 rgb(37 211 102 / 0%); }
}

body.spa-chat .group-badge {
  flex: 0 0 auto !important;
  margin-left: auto !important;
  font-size: 0.66rem !important;
  font-weight: 600 !important;
  padding: 3px 8px !important;
  border-radius: 999px !important;
  background: color-mix(in srgb, var(--ui-text) 8%, var(--ui-dock-bg)) !important;
  border: 1px solid var(--ui-line) !important;
  color: var(--ui-muted) !important;
  white-space: nowrap !important;
  align-self: center !important;
  width: auto !important;
  max-width: max-content !important;
}

/* Discord-style Communities & #Channels Tree */
body.spa-chat .communities-container,
body.spa-chat .groups-container {
  padding: 8px 6px;
}

body.spa-chat .groups-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px 10px;
  gap: 8px;
}

body.spa-chat .groups-toolbar-title {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ui-muted);
}

body.spa-chat #groups-gate-status {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--ui-muted);
  background: color-mix(in srgb, var(--ui-panel) 75%, transparent);
  border: 1px solid var(--ui-line);
  padding: 8px 12px;
  border-radius: 9px;
  margin: 0 4px 10px;
}

body.spa-chat #create-group-btn {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--ui-panel);
  border: 1px solid var(--ui-line);
  color: var(--ui-text);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

body.spa-chat #create-group-btn:not([disabled]):hover {
  background: color-mix(in srgb, var(--ui-accent) 18%, var(--ui-panel));
  border-color: var(--ui-accent);
  color: var(--ui-accent);
}

body.spa-chat .community-item {
  padding: 8px 10px;
  border-radius: 9px;
  font-size: 0.86rem;
  font-weight: 650;
}

body.spa-chat .channels-container {
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--ui-line);
}

body.spa-chat .community-heading {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ui-muted);
}

body.spa-chat .channel-item {
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ui-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

body.spa-chat .channel-item:hover {
  color: var(--ui-text);
  background: color-mix(in srgb, var(--ui-text) 6%, transparent);
}

body.spa-chat .channel-item.active {
  color: var(--ui-text);
  background: color-mix(in srgb, var(--ui-accent) 16%, transparent);
  border-color: color-mix(in srgb, var(--ui-accent) 35%, transparent);
}

/* Pinned Bottom Dock: Discord RTC Status Strip + User Control Bar */
body.spa-chat .sidebar-bottom-dock {
  margin-top: auto;
  background: var(--ui-dock-bg);
  border-top: 1px solid var(--ui-line);
  display: flex;
  flex-direction: column;
}

body.spa-chat .chat-control.spa-status-bar {
  margin: 0;
  padding: 8px 12px;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  border-radius: 0;
  background: color-mix(in srgb, var(--ui-accent) 4%, var(--ui-dock-bg));
}

body.spa-chat .chat-control-head {
  display: flex;
  align-items: center;
  gap: 6px;
}

body.spa-chat .chat-control h2 {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ui-accent);
  margin: 0;
}

body.spa-chat .chat-control-status {
  font-size: 0.74rem;
  color: var(--ui-text);
  margin: 2px 0 0;
}

body.spa-chat .chat-control-note {
  font-size: 0.68rem;
  color: var(--ui-subtle);
  margin: 3px 0 0;
  line-height: 1.35;
}

body.spa-chat .relay-badge {
  display: inline-block;
  margin: 4px 0 0;
  font-size: 0.66rem;
  padding: 2px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ui-accent) 14%, transparent);
  color: var(--ui-accent);
}

/* Discord Bottom User Bar */
body.spa-chat .discord-user-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  background: var(--ui-dock-bg);
}

body.spa-chat .discord-user-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  flex: 1;
}

body.spa-chat .discord-dock-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ui-accent), var(--ui-accent-strong));
  color: var(--ui-accent-ink);
  font-weight: 800;
  position: relative;
  flex-shrink: 0;
}

body.spa-chat .discord-user-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

body.spa-chat .discord-user-text strong {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ui-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.spa-chat .discord-user-text small {
  font-size: 0.68rem;
  color: var(--ui-accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.spa-chat .discord-user-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

body.spa-chat .discord-user-actions .icon-button {
  min-width: 32px;
  min-height: 32px;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 0.9rem;
}

body.spa-chat .discord-user-actions .icon-button:hover {
  background: var(--ui-panel-soft);
  border-color: var(--ui-line);
}

/* ==========================================================================
   COLUMN 3: WHATSAPP + DISCORD MAIN CHAT STAGE
   ========================================================================== */

body.spa-chat .chat-viewport {
  background-color: var(--ui-chat-bg);
  background-image:
    radial-gradient(color-mix(in srgb, var(--ui-text) 4%, transparent) 1px, transparent 1px),
    radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--ui-accent) 5%, transparent), transparent 40rem);
  background-size: 24px 24px, 100% 100%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  position: relative;
}

body.spa-chat .chat-thread-container {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-top: 8px;
}

/* WhatsApp Top End-to-End Encryption Notice Pill: show only on start of conversation */
body.spa-chat .e2ee-thread-banner {
  align-self: center;
  max-width: min(42rem, calc(100% - 2rem));
  margin: 6px auto 4px;
  padding: 6px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ui-warning) 10%, var(--ui-panel));
  border: 1px solid color-mix(in srgb, var(--ui-warning) 28%, var(--ui-line));
  color: var(--ui-muted);
  font-size: 0.73rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-align: center;
  box-shadow: 0 2px 10px rgb(0 0 0 / 15%);
  animation: wpSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hide E2EE banner on the initial empty screen before any conversation has started */
body.spa-chat #workspace-layout:not(.thread-active) .e2ee-thread-banner,
body.spa-chat #workspace-layout:not(.thread-active) #e2ee-thread-banner,
body.spa-chat .e2ee-thread-banner[hidden],
body.spa-chat #chat-thread-container:has(#thread-empty.is-first-screen:not([hidden])) .e2ee-thread-banner {
  display: none !important;
}

body.spa-chat .thread-empty {
  margin: auto;
  padding: 24px 28px;
  max-width: 34rem;
  text-align: center;
  border-radius: var(--ui-radius-lg);
  background: color-mix(in srgb, var(--ui-panel) 92%, transparent);
  border: 1px solid var(--ui-line);
  color: var(--ui-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  box-shadow: var(--ui-shadow-soft);
}

body.spa-chat .messages-thread {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 16px clamp(1rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* WhatsApp Message Bubbles with Asymmetric Tail & Double Checkmarks */
body.spa-chat .message-bubble {
  max-width: min(68%, 38rem);
  padding: 9px 13px 7px;
  border-radius: 14px;
  font-size: 0.92rem;
  line-height: 1.45;
  position: relative;
  box-shadow: 0 2px 6px rgb(0 0 0 / 16%);
}

body.spa-chat .message-bubble.incoming {
  align-self: flex-start;
  background: var(--ui-bubble-in);
  border: 1px solid var(--ui-bubble-in-border);
  color: var(--ui-bubble-in-text);
  border-top-left-radius: 4px;
}

body.spa-chat .message-bubble.outgoing {
  align-self: flex-end;
  background: var(--ui-bubble-out);
  border: 1px solid var(--ui-bubble-out-border);
  color: var(--ui-bubble-out-text);
  border-top-right-radius: 4px;
}

body.spa-chat .sender-header {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ui-accent);
  margin-bottom: 3px;
}

body.spa-chat .message-meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  float: right;
  margin-left: 12px;
  margin-top: 4px;
  font-size: 0.68rem;
  opacity: 0.82;
}

body.spa-chat .message-tick {
  color: var(--ui-accent);
  font-weight: 800;
  letter-spacing: -1px;
}

/* Discord + WhatsApp Composer Bar */
body.spa-chat .chat-composer-area {
  padding: 10px 16px 12px;
  background: var(--ui-sidebar-bg);
  border-top: 1px solid var(--ui-line);
}

body.spa-chat .chat-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  background: var(--ui-panel);
  border: 1px solid var(--ui-line-strong);
  border-radius: 999px;
}

body.spa-chat .composer-attach {
  min-width: 36px;
  min-height: 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  padding: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

body.spa-chat .chat-form input[type="text"] {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 7px 8px;
  font-size: 0.92rem;
  color: var(--ui-text);
}

body.spa-chat .chat-form input[type="text"]:focus {
  box-shadow: none;
}

body.spa-chat #send-button {
  min-height: 36px;
  padding: 6px 18px;
  border-radius: 999px;
}

body.spa-chat .composer-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
  padding: 0 6px;
}

body.spa-chat .composer-file-status,
body.spa-chat #messaging-gate-status {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.72rem;
  color: var(--ui-subtle);
}

/* ==========================================================================
   COLUMN 4: RIGHT DETAILS / CONTACT & MEMBER INSPECTOR DRAWER
   ========================================================================== */

body.spa-chat .app-detail-drawer.spa-context {
  width: 300px;
  background: var(--ui-sidebar-bg);
  border-left: 1px solid var(--ui-line);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

body.spa-chat .app-detail-drawer[hidden] {
  display: none !important;
}

body.spa-chat .inspector-profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 14px;
  margin-bottom: 12px;
  border-radius: var(--ui-radius-md);
  background: var(--ui-panel);
  border: 1px solid var(--ui-line);
}

body.spa-chat .inspector-avatar-large {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ui-accent) 18%, var(--ui-panel-strong));
  border: 2px solid var(--ui-accent);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  margin-bottom: 10px;
}

body.spa-chat .inspector-peer-handle {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ui-text);
  margin: 0 0 6px;
}

body.spa-chat .inspector-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ui-accent) 15%, transparent);
  color: var(--ui-accent);
}

body.spa-chat .context-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--ui-line);
}

body.spa-chat .context-tab {
  min-height: 32px;
  padding: 4px 8px;
  font-size: 0.76rem;
  font-weight: 650;
  border-radius: 7px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ui-muted);
  cursor: pointer;
}

body.spa-chat .context-tab.active {
  background: color-mix(in srgb, var(--ui-accent) 16%, var(--ui-panel));
  border-color: color-mix(in srgb, var(--ui-accent) 36%, transparent);
  color: var(--ui-accent);
}

/* Workspace Switching States (Contacts / Security / Settings) */
body.spa-chat #workspace-layout[data-workspace="contacts"] #contacts-panel {
  display: block;
}

body.spa-chat .workspace-surface {
  padding: clamp(16px, 3vw, 32px);
  overflow-y: auto;
  flex: 1 1 auto;
  max-width: 960px;
  width: 100%;
  margin-inline: auto;
}

body.spa-chat #contacts-panel.panel {
  border: 0;
  background: transparent;
  box-shadow: none;
}

body.spa-chat #contacts-panel .contact-form-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
  margin-top: 8px;
}

body.spa-chat #contacts-panel .contact-form-row .text-input {
  flex: 1 1 auto;
  min-height: 44px;
  border-radius: var(--ui-radius-sm);
  background: var(--ui-panel-soft);
  border: 1px solid var(--ui-line-strong);
  color: var(--ui-text);
  padding: 8px 14px;
  font-size: 0.95rem;
}

body.spa-chat #contacts-panel .contact-form-row .text-input:focus {
  outline: 2px solid var(--ui-accent);
  outline-offset: 1px;
}

body.spa-chat #contacts-panel .contact-form-row .button-primary {
  min-height: 44px;
  padding: 0 24px;
  font-weight: 700;
  border-radius: var(--ui-radius-sm);
}

body.spa-chat #contacts-panel .contact-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

body.spa-chat #contacts-panel .contact-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  border-top: 1px solid var(--ui-line);
}

body.spa-chat #contacts-panel .contact-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--ui-line);
  padding: 12px 4px;
  font-size: 0.88rem;
}

body.spa-chat #contacts-panel .contact-action {
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* ==========================================================================
   PUBLIC PAGES, AUTH CARDS, STANDALONE WORKSPACES & ADMIN CONSOLE
   ========================================================================== */

.shell:not(.spa-shell),
.public-shell {
  width: min(100% - 40px, 1380px);
  margin-inline: auto;
}

.topbar:not(.spa-topbar),
.public-nav {
  min-height: 64px;
  padding: 10px 22px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-lg);
  background: color-mix(in srgb, var(--ui-sidebar-bg) 85%, transparent);
  box-shadow: 0 16px 40px rgb(0 0 0 / 24%);
  backdrop-filter: blur(20px) saturate(160%);
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.public-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 1.1rem;
}

.public-nav .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--ui-accent) 25%, transparent), transparent);
  border: 1px solid var(--ui-accent);
  color: var(--ui-accent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--ui-accent) 30%, transparent);
}

.public-nav nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.public-nav nav a {
  padding: 8px 16px;
  border-radius: 9999px;
  color: var(--ui-muted);
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.public-nav nav a:hover {
  color: var(--ui-text);
  background: color-mix(in srgb, var(--ui-text) 6%, transparent);
}

.public-nav nav a.active {
  color: var(--ui-text);
  background: color-mix(in srgb, var(--ui-text) 10%, transparent);
  box-shadow: inset 0 0 0 1px var(--ui-line-strong);
}

.public-nav .nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.public-nav .nav-login {
  color: var(--ui-muted);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: 9999px;
  transition: all 0.2s ease;
}

.public-nav .nav-login:hover {
  color: var(--ui-text);
  background: color-mix(in srgb, var(--ui-text) 6%, transparent);
}

.public-nav .button-primary {
  border-radius: 9999px;
  padding: 9px 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--ui-shadow-glow);
}

.panel, .home-card, .metric, .metric-card, .capability-card, .auth-card,
.notice-panel, .status-card, .workspace-empty, .registration-card, .verification-card {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: color-mix(in srgb, var(--ui-panel) 95%, transparent);
  box-shadow: var(--ui-shadow-soft);
}

.auth-shell {
  max-width: 560px;
  margin-inline: auto;
  padding: 36px 20px;
}

.auth-card {
  padding: clamp(24px, 4vw, 38px);
  border-color: var(--ui-line-strong);
  box-shadow: var(--ui-shadow);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (MOBILE & TABLET)
   ========================================================================== */

@media (max-width: 980px) {
  body.spa-chat .topbar.spa-topbar {
    padding: 8px 12px;
  }
  body.spa-chat .chat-header.spa-threadbar {
    padding: 8px 14px;
  }
  body.spa-chat .chat-layout.spa-workspace {
    grid-template-columns: 64px minmax(230px, 270px) minmax(0, 1fr);
  }
  body.spa-chat .app-detail-drawer.spa-context {
    position: absolute;
    inset: 0 0 0 auto;
    z-index: 45;
    width: min(300px, 90vw);
    box-shadow: var(--ui-shadow);
  }
}

@media (max-width: 760px) {
  body.spa-chat {
    overflow: hidden !important;
    height: 100vh !important;
    height: 100dvh !important;
    min-height: 100dvh;
  }
  body.spa-chat .shell.workspace-shell.spa-shell {
    height: 100vh !important;
    height: 100dvh !important;
    min-height: 100dvh;
    overflow: hidden;
  }
  body.spa-chat .topbar.spa-topbar {
    padding: 6px 10px;
    flex-wrap: nowrap;
    gap: 8px;
    min-height: 52px;
    height: 52px;
    overflow: hidden;
  }
  body.spa-chat .topbar > .brand {
    gap: 6px;
    font-size: 0.95rem;
  }
  body.spa-chat .topbar > .brand .brand-mark {
    width: 28px;
    height: 28px;
    font-size: 0.85rem;
  }
  body.spa-chat .workspace-tabs {
    display: none !important;
  }
  body.spa-chat .spa-tools {
    gap: 6px;
    margin-left: auto;
  }
  body.spa-chat .spa-search {
    display: none !important;
  }
  body.spa-chat .chat-layout.spa-workspace {
    grid-template-columns: 58px minmax(0, 1fr) !important;
    height: calc(100dvh - 52px) !important;
    min-height: 0 !important;
  }
  body.spa-chat .chat-layout:not(.thread-active):not([data-workspace="contacts"]):not([data-workspace="mail"]):not([data-workspace="security"]):not([data-workspace="settings"]) .chat-viewport {
    display: none !important;
  }
  body.spa-chat .chat-layout.thread-active,
  body.spa-chat .chat-layout[data-workspace="contacts"],
  body.spa-chat .chat-layout[data-workspace="mail"],
  body.spa-chat .chat-layout[data-workspace="security"],
  body.spa-chat .chat-layout[data-workspace="settings"] {
    grid-template-columns: 58px minmax(0, 1fr) !important;
  }
  body.spa-chat .chat-layout.thread-active .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="contacts"] .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="mail"] .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="security"] .spa-sidebar,
  body.spa-chat .chat-layout[data-workspace="settings"] .spa-sidebar {
    display: none !important;
  }
  body.spa-chat .chat-layout.thread-active .chat-viewport,
  body.spa-chat .chat-layout[data-workspace="contacts"] .chat-viewport,
  body.spa-chat .chat-layout[data-workspace="mail"] .chat-viewport,
  body.spa-chat .chat-layout[data-workspace="security"] .chat-viewport,
  body.spa-chat .chat-layout[data-workspace="settings"] .chat-viewport {
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }
  body.spa-chat .chat-header.spa-threadbar {
    min-height: 52px !important;
    height: 52px !important;
    max-height: 52px !important;
    flex: 0 0 52px !important;
    flex-wrap: nowrap !important;
    padding: 0 10px !important;
    gap: 8px !important;
  }
  body.spa-chat .chat-header.spa-threadbar .chat-peer-identity {
    display: flex !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    overflow: hidden !important;
  }
  body.spa-chat .chat-header-actions {
    flex-basis: auto !important;
    flex-wrap: nowrap !important;
    gap: 6px !important;
  }
  body.spa-chat .chat-header-actions .icon-button {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
  }
  body.spa-chat #view-safety-btn {
    height: 30px !important;
    min-height: 30px !important;
    padding: 0 8px !important;
    font-size: 0.7rem !important;
  }
  body.spa-chat .chat-layout.thread-active .chat-header.spa-threadbar #chat-back-btn,
  body.spa-chat .chat-layout.thread-active .chat-back {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    font-size: 1.1rem;
    flex-shrink: 0;
  }
  body.spa-chat .message-bubble {
    max-width: 88%;
  }
}

/* ==========================================================================
   ENCRYPTED FILES & IMAGE ATTACHMENT VAULT
   ========================================================================== */
.files-dropzone {
  position: relative;
  border: 2px dashed var(--line-bright, rgba(255, 255, 255, 0.16));
  border-radius: 1rem;
  padding: 1.5rem 1rem;
  text-align: center;
  background: color-mix(in srgb, var(--panel-solid, #0f172a) 92%, transparent);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.files-dropzone:hover {
  border-color: var(--mint, #10b981);
}
.attachment-bubble-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.85rem;
  margin-top: 0.35rem;
  transition: border-color 0.2s ease;
}
.attachment-bubble-card:hover {
  border-color: rgba(255, 255, 255, 0.16);
}
.attachment-decrypted-image {
  max-width: 100%;
  max-height: 280px;
  border-radius: 0.75rem;
  display: block;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  margin-top: 0.35rem;
}
.attachment-img-preview-box {
  min-height: 20px;
}

/* ==========================================================================
   ADVANCED FULL-RESPONSIVE ADAPTATIONS & ERGONOMICS
   ========================================================================== */

/* Universal sleek scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--ui-line-strong, #2f4259) transparent;
}
*::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background-color: var(--ui-line-strong, #2f4259);
  border-radius: 999px;
}
*::-webkit-scrollbar-thumb:hover {
  background-color: var(--ui-muted, #9cb0be);
}

/* Workspace mobile back buttons */
.workspace-mobile-back {
  display: none;
}

@media (max-width: 768px) {
  .workspace-mobile-back {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    margin-bottom: 14px !important;
    padding: 6px 14px !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    border-radius: 999px !important;
    background: color-mix(in srgb, var(--ui-accent) 15%, transparent) !important;
    color: var(--ui-accent) !important;
    border: 1px solid color-mix(in srgb, var(--ui-accent) 35%, transparent) !important;
    cursor: pointer !important;
    transition: background 0.15s ease, color 0.15s ease;
  }
  .workspace-mobile-back:hover {
    background: color-mix(in srgb, var(--ui-accent) 25%, transparent) !important;
    color: var(--ui-text) !important;
  }
}

@media (max-width: 640px) {
  /* Topbar breathing space: hide 3-button theme segmented control on phones; single-tap ☼ toggle remains */
  body.spa-chat .spa-topbar .theme-choices {
    display: none !important;
  }

  /* Full-width responsive popovers on mobile */
  .notifications-popover {
    position: fixed !important;
    top: 56px !important;
    left: 12px !important;
    right: 12px !important;
    width: auto !important;
    max-width: calc(100vw - 24px) !important;
    max-height: calc(100dvh - 72px) !important;
    border-radius: 14px !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6) !important;
    z-index: 100 !important;
  }
  .user-menu-panel,
  .profile-menu-panel {
    position: fixed !important;
    top: 56px !important;
    right: 12px !important;
    left: auto !important;
    min-width: 220px !important;
    max-width: calc(100vw - 24px) !important;
    border-radius: 14px !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6) !important;
    z-index: 100 !important;
  }
}

@media (max-width: 600px) {
  /* Compact chat header actions */
  body.spa-chat .chat-header.spa-threadbar {
    padding: 0 8px !important;
    gap: 6px !important;
  }
  body.spa-chat .chat-header-actions {
    gap: 4px !important;
  }
  body.spa-chat #open-security-sheet,
  body.spa-chat #toggle-details-btn {
    padding: 0 6px !important;
    min-width: 30px !important;
    height: 30px !important;
    font-size: 0.72rem !important;
  }
  body.spa-chat #chat-block-btn {
    padding: 0 6px !important;
    min-width: 28px !important;
    height: 30px !important;
    font-size: 0.72rem !important;
  }
  body.spa-chat .composer-meta-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 3px !important;
    padding: 0 4px !important;
  }
  body.spa-chat .call-strip {
    margin: 0.35rem 0.5rem 0 !important;
  }
  body.spa-chat .active-call-return-bar {
    margin: 0.35rem 0.5rem !important;
    padding: 0.45rem 0.75rem !important;
  }
  body.spa-chat .active-call-actions .button {
    padding: 0.35rem 0.6rem !important;
    font-size: 0.75rem !important;
  }

  /* Public marketing navigation horizontal smooth scrolling on mobile */
  .public-nav nav {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
    -webkit-overflow-scrolling: touch !important;
    gap: 16px !important;
    padding: 8px 4px !important;
    white-space: nowrap !important;
  }
  .public-nav nav::-webkit-scrollbar {
    display: none;
  }
  .hero-art {
    overflow: hidden !important;
    border-radius: 20px !important;
    max-width: 100% !important;
  }
  .floating-chip {
    max-width: 90% !important;
  }
  .chip-top {
    right: 8px !important;
  }
  .chip-bottom {
    left: 8px !important;
  }
}

@media (max-width: 480px) {
  /* Responsive Video & Calling controls on narrow phones */
  .call-video-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 0.75rem !important;
  }
  body.spa-chat .call-video-grid #local-video {
    width: min(6.5rem, 28%) !important;
    bottom: 0.4rem !important;
    right: 0.4rem !important;
  }
  .hardware-controls-ribbon {
    gap: 0.4rem !important;
    padding: 0.65rem !important;
  }
  .hardware-toggle-btn {
    padding: 0.5rem 0.8rem !important;
    font-size: 0.78rem !important;
  }
  .video-overlay {
    bottom: 0.4rem !important;
    left: 0.4rem !important;
    font-size: 0.7rem !important;
    padding: 0.2rem 0.45rem !important;
  }
  .safety-modal {
    padding: 0.5rem !important;
  }
  .safety-modal-card {
    max-height: calc(100dvh - 1rem) !important;
    padding: 1rem !important;
    border-radius: 14px !important;
  }
}

/* ==========================================================================
   UI ENHANCEMENTS & BUG FIXES (NOTIFICATIONS, MENUS, SETTINGS, CONTACTS, SECURITY)
   ========================================================================== */

/* 1. Account Dropdown & Context Menu Left Alignment & Polish */
body.spa-chat .profile-menu-panel,
body.spa-chat .user-menu-panel {
  width: 250px !important;
  min-width: 230px !important;
  padding: 8px !important;
  background: color-mix(in srgb, var(--ui-panel, #172029) 95%, #000) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border: 1px solid var(--ui-line-strong, rgba(255, 255, 255, 0.12)) !important;
  border-radius: 14px !important;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.65), 0 0 1px rgba(255, 255, 255, 0.2) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
}

body.spa-chat .profile-menu-panel button,
body.spa-chat .profile-menu-panel a,
body.spa-chat .user-menu-panel button,
body.spa-chat .user-menu-panel a {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  text-align: left !important;
  width: 100% !important;
  gap: 10px !important;
  padding: 9px 14px !important;
  border-radius: 8px !important;
  border: none !important;
  background: transparent !important;
  color: var(--ui-text, #e2e8f0) !important;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  cursor: pointer !important;
  box-sizing: border-box !important;
  transition: background 0.15s ease, color 0.15s ease !important;
}

body.spa-chat .profile-menu-panel button:hover,
body.spa-chat .profile-menu-panel a:hover,
body.spa-chat .user-menu-panel button:hover,
body.spa-chat .user-menu-panel a:hover {
  background: color-mix(in srgb, var(--ui-text) 6%, transparent) !important;
  color: var(--ui-accent, #3ecf8e) !important;
}

body.spa-chat .profile-menu-panel .menu-danger {
  color: var(--ui-danger, #ef4444) !important;
}

body.spa-chat .profile-menu-panel .menu-danger:hover {
  background: color-mix(in srgb, var(--ui-danger, #ef4444) 16%, transparent) !important;
  color: #f87171 !important;
}

body.spa-chat #open-settings-btn::before {
  content: "⚙";
  font-size: 1rem;
  opacity: 0.85;
}

body.spa-chat #shortcuts-help-btn::before {
  content: "⌨";
  font-size: 1rem;
  opacity: 0.85;
}

body.spa-chat .profile-menu-panel .back-link::before {
  content: "🌐";
  font-size: 1rem;
  opacity: 0.85;
}

body.spa-chat #logout-button::before {
  content: "⎋";
  font-size: 1.1rem;
  opacity: 0.85;
}

body.spa-chat #admin-nav::before {
  content: "⚡";
  font-size: 1rem;
  opacity: 0.85;
}

/* 2. Notifications Popover & List Polish */
body.spa-chat .notifications-popover {
  position: absolute !important;
  top: calc(100% + 10px) !important;
  right: 0 !important;
  width: min(26rem, 92vw) !important;
  max-height: min(34rem, 85vh) !important;
  background: color-mix(in srgb, var(--ui-panel, #172029) 95%, #000) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border: 1px solid var(--ui-line-strong, rgba(255, 255, 255, 0.14)) !important;
  border-radius: 16px !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 1px rgba(255, 255, 255, 0.15) !important;
  z-index: 1000 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}

body.spa-chat .notifications-popover-head {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 14px 18px !important;
  border-bottom: 1px solid var(--ui-line) !important;
  background: color-mix(in srgb, var(--ui-panel-soft) 40%, transparent) !important;
  gap: 12px !important;
}

body.spa-chat .notifications-title-row {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  flex-shrink: 0 !important;
}

body.spa-chat .notifications-title {
  font-size: 1rem !important;
  font-weight: 700 !important;
  color: var(--ui-text) !important;
  letter-spacing: -0.01em !important;
}

body.spa-chat .notifications-unread-summary {
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  color: var(--ui-accent) !important;
  background: color-mix(in srgb, var(--ui-accent) 15%, transparent) !important;
  padding: 2px 8px !important;
  border-radius: 999px !important;
  white-space: nowrap !important;
}

body.spa-chat .notifications-head-actions {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  flex-wrap: nowrap !important;
}

body.spa-chat .notifications-head-actions button {
  white-space: nowrap !important;
  font-size: 0.75rem !important;
  font-weight: 600 !important;
  padding: 5px 10px !important;
  border-radius: 8px !important;
  min-height: 28px !important;
  height: 28px !important;
  line-height: 1 !important;
  border: 1px solid var(--ui-line) !important;
  background: var(--ui-panel-soft) !important;
  color: var(--ui-text) !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
}

body.spa-chat .notifications-head-actions button:hover:not(:disabled) {
  border-color: var(--ui-accent) !important;
  color: var(--ui-accent) !important;
  background: color-mix(in srgb, var(--ui-accent) 12%, transparent) !important;
}

body.spa-chat .notifications-head-actions button:focus-visible {
  outline: 2px solid var(--ui-accent) !important;
  outline-offset: 1px !important;
}

body.spa-chat #notifications-popover .panel-intro {
  padding: 10px 18px !important;
  margin: 0 !important;
  font-size: 0.75rem !important;
  line-height: 1.4 !important;
  color: var(--ui-muted) !important;
  background: color-mix(in srgb, var(--ui-text) 2%, transparent) !important;
  border-bottom: 1px solid var(--ui-line) !important;
}

body.spa-chat .notifications-list {
  flex: 1 1 auto !important;
  overflow-y: auto !important;
  max-height: 380px !important;
  display: flex !important;
  flex-direction: column !important;
}

body.spa-chat .notification-card {
  display: flex !important;
  align-items: flex-start !important;
  gap: 12px !important;
  padding: 14px 18px !important;
  border-bottom: 1px solid color-mix(in srgb, var(--ui-line) 60%, transparent) !important;
  cursor: pointer !important;
  transition: background 0.15s ease !important;
  position: relative !important;
}

body.spa-chat .notification-card:hover {
  background: color-mix(in srgb, var(--ui-text) 4%, transparent) !important;
}

body.spa-chat .notification-card.unread {
  background: color-mix(in srgb, var(--ui-accent) 6%, transparent) !important;
}

body.spa-chat .notification-card.unread::before {
  content: '' !important;
  position: absolute !important;
  left: 6px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: var(--ui-accent) !important;
  box-shadow: 0 0 8px var(--ui-accent) !important;
}

body.spa-chat .notification-icon-wrap {
  width: 34px !important;
  height: 34px !important;
  border-radius: 10px !important;
  display: grid !important;
  place-items: center !important;
  background: color-mix(in srgb, var(--ui-accent) 12%, transparent) !important;
  font-size: 1.05rem !important;
  flex-shrink: 0 !important;
  padding: 0 !important;
  margin-top: 1px !important;
}

body.spa-chat .notification-content {
  flex: 1 1 auto !important;
  min-width: 0 !important;
}

body.spa-chat .notification-header {
  display: flex !important;
  align-items: baseline !important;
  justify-content: space-between !important;
  gap: 8px !important;
  margin-bottom: 3px !important;
}

body.spa-chat .notification-title-text {
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  color: var(--ui-text) !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

body.spa-chat .notification-time {
  font-size: 0.72rem !important;
  color: var(--ui-muted) !important;
  flex-shrink: 0 !important;
  font-variant-numeric: tabular-nums !important;
}

body.spa-chat .notification-body {
  font-size: 0.8rem !important;
  color: var(--ui-muted) !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}

/* 3. Settings Workspace Overlap Fix & Modern Dashboard */
body.spa-chat #settings-workspace {
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
  padding: clamp(20px, 4vw, 36px) !important;
  max-width: 920px !important;
  width: 100% !important;
  margin-inline: auto !important;
  overflow-y: auto !important;
}

body.spa-chat #settings-workspace #system-pulse.status-card {
  height: auto !important;
  min-height: auto !important;
  max-height: none !important;
  padding: 22px 24px !important;
  border-radius: 16px !important;
  background: color-mix(in srgb, var(--ui-panel) 96%, transparent) !important;
  border: 1px solid var(--ui-line) !important;
  box-shadow: var(--ui-shadow-soft) !important;
  margin: 0 !important;
  overflow: visible !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
}

body.spa-chat #settings-workspace .status-live {
  display: flex !important;
  flex-direction: column !important;
  gap: 14px !important;
  height: auto !important;
  min-height: auto !important;
}

body.spa-chat #settings-workspace .status-chip {
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
  padding: 14px 18px !important;
  border-radius: 12px !important;
  background: color-mix(in srgb, var(--ui-accent) 8%, var(--ui-panel-soft)) !important;
  border: 1px solid color-mix(in srgb, var(--ui-accent) 25%, var(--ui-line)) !important;
  text-decoration: none !important;
  min-height: auto !important;
}

body.spa-chat #settings-workspace .status-chip strong {
  font-size: 1rem !important;
  font-weight: 700 !important;
  color: var(--ui-text) !important;
  display: block !important;
}

body.spa-chat #settings-workspace .status-chip small {
  font-size: 0.8rem !important;
  color: var(--ui-accent) !important;
  display: block !important;
  margin-top: 2px !important;
}

body.spa-chat #settings-workspace #last-checked {
  font-size: 0.8rem !important;
  color: var(--ui-muted) !important;
  margin: 0 !important;
}

body.spa-chat #settings-workspace .service-list {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
  gap: 10px !important;
  padding: 0 !important;
  margin: 0 !important;
  list-style: none !important;
}

body.spa-chat #settings-workspace .service-list li {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 10px 14px !important;
  border-radius: 10px !important;
  background: var(--ui-panel-soft) !important;
  border: 1px solid var(--ui-line) !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
}

body.spa-chat #settings-workspace .pill {
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  border-radius: 999px !important;
  padding: 4px 10px !important;
}

body.spa-chat #settings-workspace .pill.ok {
  background: color-mix(in srgb, var(--ui-accent) 18%, transparent) !important;
  color: var(--ui-accent) !important;
  border: 1px solid color-mix(in srgb, var(--ui-accent) 35%, transparent) !important;
}

body.spa-chat #settings-workspace #runtime-pill {
  align-self: flex-start !important;
  margin-top: 2px !important;
}

body.spa-chat #settings-workspace-body {
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
  width: 100% !important;
  margin-top: 4px !important;
}

body.spa-chat #settings-workspace-body .wp-card {
  border: 1px solid var(--ui-line) !important;
  border-radius: 16px !important;
  padding: 22px 24px !important;
  background: color-mix(in srgb, var(--ui-panel) 96%, transparent) !important;
  box-shadow: var(--ui-shadow-soft) !important;
  margin: 0 !important;
}

body.spa-chat #settings-workspace-body .wp-card h3 {
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  color: var(--ui-text) !important;
  margin: 0 0 6px 0 !important;
}

body.spa-chat #settings-workspace-body .wp-actions {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  margin-top: 14px !important;
}

body.spa-chat #settings-workspace-body .wp-actions button {
  padding: 8px 18px !important;
  border-radius: 10px !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  min-height: 38px !important;
  background: var(--ui-panel-soft) !important;
  border: 1px solid var(--ui-line-strong) !important;
  color: var(--ui-text) !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
}

body.spa-chat #settings-workspace-body .wp-actions button:hover {
  border-color: var(--ui-accent) !important;
  color: var(--ui-accent) !important;
}

body.spa-chat #settings-workspace-body .wp-actions button[aria-pressed="true"] {
  background: var(--ui-accent) !important;
  color: var(--ui-accent-ink, #042111) !important;
  border-color: var(--ui-accent) !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--ui-accent) 40%, transparent) !important;
}

/* 4. Contacts Workspace Card Sizing & Action Wrapping */
body.spa-chat #contacts-panel {
  max-width: 960px !important;
  width: 100% !important;
  margin-inline: auto !important;
  padding: clamp(20px, 4vw, 36px) !important;
  overflow-y: auto !important;
}

body.spa-chat #contacts-panel .contact-columns {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)) !important;
  gap: 24px !important;
  margin-top: 24px !important;
}

body.spa-chat #contacts-panel .contact-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 10px 0 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
  border-top: none !important;
}

body.spa-chat #contacts-panel .contact-list li {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 16px !important;
  flex-wrap: wrap !important;
  padding: 14px 18px !important;
  border-radius: 14px !important;
  background: color-mix(in srgb, var(--ui-panel) 96%, transparent) !important;
  border: 1px solid var(--ui-line) !important;
  box-shadow: var(--ui-shadow-soft) !important;
  font-size: 0.9rem !important;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease !important;
}

body.spa-chat #contacts-panel .contact-list li:hover {
  border-color: var(--ui-line-strong) !important;
  background: color-mix(in srgb, var(--ui-panel-soft) 85%, var(--ui-text)) !important;
  transform: translateY(-1px) !important;
}

body.spa-chat #contacts-panel .contact-list li > div:first-child,
body.spa-chat #contacts-panel .contact-identity {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  min-width: 140px !important;
  flex: 1 1 auto !important;
}

body.spa-chat #contacts-panel .contact-list li > div:first-child strong,
body.spa-chat #contacts-panel .contact-identity strong {
  font-size: 0.96rem !important;
  font-weight: 700 !important;
  color: var(--ui-text) !important;
  white-space: nowrap !important;
}

body.spa-chat #contacts-panel .contact-list li > div:first-child span,
body.spa-chat #contacts-panel .contact-identity span {
  font-size: 0.76rem !important;
  color: var(--ui-muted) !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace !important;
  text-align: left !important;
  letter-spacing: 0.02em !important;
}

body.spa-chat #contacts-panel .contact-actions {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  flex-wrap: wrap !important;
  justify-content: flex-end !important;
  flex: 0 0 auto !important;
}

body.spa-chat #contacts-panel .contact-action {
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  padding: 6px 12px !important;
  border-radius: 8px !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  white-space: nowrap !important;
  cursor: pointer !important;
  background: var(--ui-panel) !important;
  border: 1px solid var(--ui-line-strong) !important;
  color: var(--ui-text) !important;
  transition: all 0.15s ease !important;
}

body.spa-chat #contacts-panel .contact-action:hover {
  border-color: var(--ui-accent) !important;
  color: var(--ui-accent) !important;
  background: color-mix(in srgb, var(--ui-accent) 10%, transparent) !important;
}

body.spa-chat #contacts-panel .contact-action.accept {
  background: color-mix(in srgb, var(--ui-accent) 15%, transparent) !important;
  border-color: color-mix(in srgb, var(--ui-accent) 50%, transparent) !important;
  color: var(--ui-accent) !important;
}

body.spa-chat #contacts-panel .contact-action.accept:hover {
  background: var(--ui-accent) !important;
  color: var(--ui-accent-ink, #042111) !important;
}

body.spa-chat #contacts-panel .contact-action.decline {
  border-color: color-mix(in srgb, var(--ui-danger, #ef4444) 40%, transparent) !important;
  color: var(--ui-danger, #ef4444) !important;
}

body.spa-chat #contacts-panel .contact-action.decline:hover {
  background: color-mix(in srgb, var(--ui-danger, #ef4444) 15%, transparent) !important;
}

/* 5. Security Workspace Data & Identity Visual Hierarchy */
body.spa-chat #security-workspace {
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
  padding: clamp(20px, 4vw, 36px) !important;
  max-width: 920px !important;
  width: 100% !important;
  margin-inline: auto !important;
  overflow-y: auto !important;
}

body.spa-chat #security-workspace-body {
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
  width: 100% !important;
}

body.spa-chat #security-workspace-body .wp-card {
  border: 1px solid var(--ui-line) !important;
  border-radius: 16px !important;
  padding: 22px 24px !important;
  background: color-mix(in srgb, var(--ui-panel) 96%, transparent) !important;
  box-shadow: var(--ui-shadow-soft) !important;
  margin: 0 !important;
}

body.spa-chat #security-workspace-body .wp-card h3 {
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  color: var(--ui-text) !important;
  margin: 0 0 10px 0 !important;
}

body.spa-chat #security-workspace-body .wp-card p {
  font-size: 0.88rem !important;
  line-height: 1.6 !important;
  margin: 6px 0 !important;
  color: var(--ui-text) !important;
}

body.spa-chat #security-workspace-body .wp-card p strong {
  color: var(--ui-muted) !important;
  font-weight: 600 !important;
  display: inline-block !important;
  min-width: 140px !important;
}

/* Collapsible Security Workspace Dropdowns (Trusted Devices & Active Sessions) */
body.spa-chat #security-workspace-body .wp-card-collapsible {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

body.spa-chat #security-workspace-body .wp-collapsible-section {
  width: 100%;
}

body.spa-chat #security-workspace-body .wp-collapsible-summary {
  list-style: none !important;
  cursor: pointer;
  user-select: none;
  outline: none;
}

body.spa-chat #security-workspace-body .wp-collapsible-summary::-webkit-details-marker {
  display: none !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-header h3 {
  margin: 0 !important;
  transition: color 0.15s ease;
}

body.spa-chat #security-workspace-body .wp-collapsible-summary:hover .wp-collapsible-header h3,
body.spa-chat #security-workspace-body .wp-collapsible-summary:focus-visible .wp-collapsible-header h3 {
  color: var(--ui-accent, #34d399) !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-meta {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  flex-shrink: 0 !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-meta .count-badge {
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  padding: 3px 10px !important;
  border-radius: 9999px !important;
  background: color-mix(in srgb, var(--ui-accent, #34d399) 12%, transparent) !important;
  color: var(--ui-accent, #34d399) !important;
  border: 1px solid color-mix(in srgb, var(--ui-accent, #34d399) 30%, transparent) !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-chevron {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.15rem !important;
  color: var(--ui-muted, #94a3b8) !important;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.15s ease !important;
  user-select: none !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-summary:hover .wp-collapsible-chevron {
  color: var(--ui-accent, #34d399) !important;
}

body.spa-chat #security-workspace-body details[open] > .wp-collapsible-summary .wp-collapsible-chevron {
  transform: rotate(180deg) !important;
  color: var(--ui-accent, #34d399) !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-desc {
  margin: 6px 0 0 0 !important;
  font-size: 0.88rem !important;
  line-height: 1.5 !important;
  color: var(--ui-muted, #94a3b8) !important;
}

body.spa-chat #security-workspace-body .wp-collapsible-body {
  margin-top: 16px !important;
  padding-top: 14px !important;
  border-top: 1px solid var(--ui-line, rgba(255, 255, 255, 0.08)) !important;
  animation: wpSlideIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

@keyframes wpSlideIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* 6. Chat Header Actions & Duplicate Button Cleanup */
body.spa-chat #voice-call-gate,
body.spa-chat #video-call-gate {
  display: none !important;
}

body.spa-chat #audio-call-btn,
body.spa-chat #video-call-btn {
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  min-height: 38px !important;
  border-radius: 50% !important;
  background: color-mix(in srgb, var(--ui-text) 7%, var(--ui-panel)) !important;
  border: 1px solid color-mix(in srgb, var(--ui-text) 14%, transparent) !important;
  color: var(--ui-text) !important;
  font-size: 1.05rem !important;
  display: inline-grid !important;
  place-items: center !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  cursor: pointer !important;
}

body.spa-chat #audio-call-btn:not([disabled]):hover,
body.spa-chat #video-call-btn:not([disabled]):hover {
  background: color-mix(in srgb, var(--ui-accent) 20%, var(--ui-panel)) !important;
  border-color: var(--ui-accent) !important;
  color: var(--ui-accent) !important;
  box-shadow: 0 0 16px color-mix(in srgb, var(--ui-accent) 30%, transparent) !important;
  transform: translateY(-1px) !important;
}

body.spa-chat #view-safety-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  padding: 0 14px !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  white-space: nowrap !important;
  border-radius: 999px !important;
  height: 34px !important;
  min-height: 34px !important;
  background: color-mix(in srgb, var(--ui-accent) 12%, var(--ui-panel)) !important;
  border: 1px solid color-mix(in srgb, var(--ui-accent) 32%, transparent) !important;
  color: var(--ui-accent-hover, #34d399) !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--ui-accent) 12%, transparent) !important;
  flex-shrink: 0 !important;
}

body.spa-chat #view-safety-btn::before {
  content: '🛡️';
  font-size: 0.85rem;
  line-height: 1;
}

body.spa-chat #view-safety-btn:not([disabled]):hover {
  background: color-mix(in srgb, var(--ui-accent) 22%, var(--ui-panel)) !important;
  border-color: var(--ui-accent) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--ui-accent) 30%, transparent) !important;
  transform: translateY(-1px) !important;
}

/* 7. Message Bubbles, Attachments, and Voice Player Visual Excellence */
body.spa-chat .message-bubble {
  max-width: min(72%, 40rem) !important;
  padding: 8px 14px 6px !important;
  border-radius: 16px !important;
  font-size: 0.92rem !important;
  line-height: 1.45 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.22) !important;
}

body.spa-chat .message-bubble.outgoing {
  border-bottom-right-radius: 4px !important;
  border-top-right-radius: 16px !important;
}

body.spa-chat .message-bubble.incoming {
  border-bottom-left-radius: 4px !important;
  border-top-left-radius: 16px !important;
}

body.spa-chat .message-meta {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 4px !important;
  float: right !important;
  margin-left: 10px !important;
  margin-top: 4px !important;
  font-size: 0.68rem !important;
  opacity: 0.75 !important;
  font-variant-numeric: tabular-nums !important;
}

body.spa-chat .message-tick {
  color: var(--ui-accent-hover, #34d399) !important;
  font-size: 0.75rem !important;
  letter-spacing: -1.5px !important;
}

/* Attachment bubble cards inside chat thread */
body.spa-chat .attachment-bubble-card {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.6rem !important;
  padding: 0.75rem 0.9rem !important;
  background: rgba(0, 0, 0, 0.2) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 12px !important;
  margin-top: 0.35rem !important;
  transition: all 0.2s ease !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

body.spa-chat .attachment-bubble-card:hover {
  background: rgba(0, 0, 0, 0.28) !important;
  border-color: rgba(255, 255, 255, 0.14) !important;
}

body.spa-chat .attachment-bubble-card strong {
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  color: #f3f4f6 !important;
  letter-spacing: -0.01em !important;
  word-break: break-all !important;
}

body.spa-chat .attachment-bubble-card small {
  display: inline-block !important;
  padding: 1px 6px !important;
  background: rgba(255, 255, 255, 0.1) !important;
  border-radius: 6px !important;
  font-size: 0.72rem !important;
  color: rgba(255, 255, 255, 0.75) !important;
  font-variant-numeric: tabular-nums !important;
}

/* Attachment Actions */
body.spa-chat .attachment-view-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  height: 34px !important;
  min-height: 34px !important;
  padding: 0 14px !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  border-radius: 8px !important;
  background: #10b981 !important;
  border: 1px solid #10b981 !important;
  color: #022c22 !important;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.28) !important;
  cursor: pointer !important;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

body.spa-chat .attachment-view-btn:hover:not(:disabled) {
  background: #34d399 !important;
  border-color: #34d399 !important;
  color: #022c22 !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.45) !important;
  transform: translateY(-1px) !important;
}

body.spa-chat .attachment-decrypt-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  height: 34px !important;
  min-height: 34px !important;
  padding: 0 14px !important;
  font-size: 0.8rem !important;
  font-weight: 500 !important;
  border-radius: 8px !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  color: #f3f4f6 !important;
  cursor: pointer !important;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
  backdrop-filter: blur(4px) !important;
}

body.spa-chat .attachment-decrypt-btn::before {
  content: '⬇️';
  font-size: 0.85rem;
  line-height: 1;
}

body.spa-chat .attachment-decrypt-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.16) !important;
  border-color: rgba(255, 255, 255, 0.28) !important;
  color: #ffffff !important;
  transform: translateY(-1px) !important;
}

/* Voice Note Player */
body.spa-chat .voice-note-card {
  display: flex !important;
  align-items: center !important;
  gap: 0.85rem !important;
  padding: 0.65rem 0.9rem !important;
  background: rgba(0, 0, 0, 0.2) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 14px !important;
  min-width: 250px !important;
  max-width: 340px !important;
  margin-top: 0.25rem !important;
  user-select: none !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12) !important;
}

body.spa-chat .voice-note-play-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  border-radius: 50% !important;
  background: #10b981 !important;
  color: #022c22 !important;
  border: none !important;
  cursor: pointer !important;
  flex-shrink: 0 !important;
  font-size: 0.95rem !important;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3) !important;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
  padding-left: 2px !important;
}

body.spa-chat .voice-note-play-btn:hover:not(:disabled) {
  background: #34d399 !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.45) !important;
  transform: scale(1.06) !important;
}

body.spa-chat .voice-note-waveform {
  display: flex !important;
  align-items: center !important;
  gap: 3px !important;
  height: 26px !important;
  cursor: pointer !important;
  padding: 2px 0 !important;
}

body.spa-chat .voice-note-bar {
  flex: 1 !important;
  background: rgba(255, 255, 255, 0.24) !important;
  border-radius: 3px !important;
  min-height: 4px !important;
  transition: background 0.12s ease !important;
}

body.spa-chat .voice-note-bar.played {
  background: #10b981 !important;
}

body.spa-chat .voice-note-meta {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  font-size: 0.72rem !important;
  font-weight: 500 !important;
  color: rgba(255, 255, 255, 0.7) !important;
  font-variant-numeric: tabular-nums !important;
}

/* Light Theme Adaptations for Attachments and Voice Player */
html[data-theme="light"] body.spa-chat .attachment-bubble-card {
  background: rgba(0, 0, 0, 0.04) !important;
  border-color: rgba(0, 0, 0, 0.08) !important;
}
html[data-theme="light"] body.spa-chat .attachment-bubble-card strong {
  color: #111b21 !important;
}
html[data-theme="light"] body.spa-chat .attachment-bubble-card small {
  background: rgba(0, 0, 0, 0.06) !important;
  color: #54656f !important;
}
html[data-theme="light"] body.spa-chat .attachment-decrypt-btn {
  background: #f0f2f5 !important;
  border-color: #d1d7db !important;
  color: #111b21 !important;
}
html[data-theme="light"] body.spa-chat .attachment-decrypt-btn:hover:not(:disabled) {
  background: #e9edef !important;
}
html[data-theme="light"] body.spa-chat .voice-note-card {
  background: rgba(0, 0, 0, 0.04) !important;
  border-color: rgba(0, 0, 0, 0.08) !important;
}
html[data-theme="light"] body.spa-chat .voice-note-bar {
  background: rgba(0, 0, 0, 0.15) !important;
}
html[data-theme="light"] body.spa-chat .voice-note-meta {
  color: #54656f !important;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

/* Custom Web Right-Click Context Menu */
.custom-context-menu {
  position: fixed !important;
  z-index: 999999 !important;
  min-width: 210px !important;
  max-width: 290px !important;
  background: color-mix(in srgb, var(--ui-panel, #18222d) 96%, #000) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--ui-line, rgba(255, 255, 255, 0.12)) !important;
  border-radius: 12px !important;
  padding: 6px !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.25) !important;
  animation: contextMenuPop 0.12s cubic-bezier(0.16, 1, 0.3, 1) !important;
  transform-origin: top left !important;
  user-select: none !important;
}

@keyframes contextMenuPop {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.custom-context-menu[hidden] {
  display: none !important;
}

.context-menu-item {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  width: 100% !important;
  padding: 8px 12px !important;
  border-radius: 8px !important;
  font-size: 0.84rem !important;
  font-weight: 500 !important;
  color: var(--ui-text, #e2e8f0) !important;
  background: transparent !important;
  border: none !important;
  cursor: pointer !important;
  text-align: left !important;
  outline: none !important;
  transition: background 0.12s ease, color 0.12s ease !important;
  white-space: nowrap !important;
  text-overflow: ellipsis !important;
  overflow: hidden !important;
}

.context-menu-item:hover,
.context-menu-item:focus-visible {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--ui-accent, #34d399) !important;
}

.context-menu-item.context-menu-danger {
  color: var(--ui-danger, #f87171) !important;
}

.context-menu-item.context-menu-danger:hover,
.context-menu-item.context-menu-danger:focus-visible {
  background: rgba(239, 68, 68, 0.16) !important;
  color: #fca5a5 !important;
}

.context-menu-icon {
  font-size: 0.95rem !important;
  width: 18px !important;
  text-align: center !important;
  flex-shrink: 0 !important;
}

.context-menu-label {
  flex: 1 1 auto !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.context-menu-divider {
  height: 1px !important;
  background: var(--ui-line, rgba(255, 255, 255, 0.08)) !important;
  margin: 4px 4px !important;
}

/* Reply Preview Bar Above Composer */
.composer-reply-bar {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 10px !important;
  padding: 8px 14px !important;
  background: color-mix(in srgb, var(--ui-panel, #18222d) 92%, #000) !important;
  border: 1px solid var(--ui-line, rgba(255, 255, 255, 0.08)) !important;
  border-left: 4px solid var(--ui-accent, #34d399) !important;
  border-radius: 10px 10px 0 0 !important;
  margin-bottom: 2px !important;
  animation: wpSlideIn 0.15s ease-out !important;
}

.composer-reply-bar[hidden] {
  display: none !important;
}

.composer-reply-meta {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  overflow: hidden !important;
  min-width: 0 !important;
}

.composer-reply-icon {
  color: var(--ui-accent, #34d399) !important;
  font-size: 1rem !important;
  flex-shrink: 0 !important;
}

.composer-reply-content {
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
  overflow: hidden !important;
  min-width: 0 !important;
}

.composer-reply-title {
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  color: var(--ui-accent, #34d399) !important;
}

.composer-reply-text {
  font-size: 0.82rem !important;
  color: var(--ui-muted, #94a3b8) !important;
  white-space: nowrap !important;
  text-overflow: ellipsis !important;
  overflow: hidden !important;
}

.composer-reply-cancel {
  background: transparent !important;
  border: none !important;
  color: var(--ui-muted, #94a3b8) !important;
  font-size: 1.25rem !important;
  line-height: 1 !important;
  cursor: pointer !important;
  padding: 4px 8px !important;
  border-radius: 6px !important;
  transition: color 0.12s, background 0.12s !important;
  flex-shrink: 0 !important;
}

.composer-reply-cancel:hover {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.1) !important;
}

/* ==========================================================================
   COMS Encrypted Email Platform (Sender, Receiver & Split Mailbox View)
   ========================================================================== */
body.spa-chat .mail-workspace {
  gap: 16px;
}

body.spa-chat .mail-platform-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.spa-chat .mail-platform-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

body.spa-chat .mail-platform-title-wrap h2 {
  margin: 2px 0 0;
  font-size: 1.35rem;
}

body.spa-chat .mail-platform-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

body.spa-chat .mail-identity-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(52, 211, 153, 0.18);
  font-size: 0.84rem;
}

body.spa-chat .mail-identity-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

body.spa-chat .mail-identity-label {
  color: var(--ui-muted, #94a3b8);
  font-weight: 600;
}

body.spa-chat .mail-compose-card {
  padding: 16px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(52, 211, 153, 0.28);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
}

body.spa-chat .mail-compose-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

body.spa-chat .mail-compose-head h3 {
  margin: 0;
  font-size: 1rem;
}

body.spa-chat .mail-compose-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

body.spa-chat .mail-field-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

body.spa-chat .mail-field-row label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ui-muted, #94a3b8);
}

body.spa-chat .mail-body-input {
  min-height: 44px;
}

body.spa-chat .mail-compose-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
}

body.spa-chat .mail-crypto-hint {
  font-size: 0.78rem;
  color: var(--ui-accent, #34d399);
}

body.spa-chat .mail-compose-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

body.spa-chat .mail-folders-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

body.spa-chat .mail-folder-btn.active {
  background: rgba(52, 211, 153, 0.16) !important;
  border-color: rgba(52, 211, 153, 0.45) !important;
  color: #ecfdf5 !important;
}

body.spa-chat .mail-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 18px;
  padding: 0 6px;
  margin-left: 4px;
  border-radius: 999px;
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.1);
}

body.spa-chat .mail-inbound-trigger {
  margin-left: auto;
}

body.spa-chat .mail-split-view {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: 16px;
  min-height: 420px;
}

body.spa-chat .mail-list-pane {
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow-y: auto;
  max-height: 540px;
}

body.spa-chat .mail-messages-list {
  list-style: none;
  margin: 0;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

body.spa-chat .mail-list-item {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.14s, border-color 0.14s;
}

body.spa-chat .mail-list-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

body.spa-chat .mail-list-item.is-selected {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.35);
}

body.spa-chat .mail-list-item.is-unread .mail-item-subject,
body.spa-chat .mail-list-item.is-unread .mail-item-peer {
  font-weight: 700;
  color: #f8fafc;
}

body.spa-chat .mail-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--ui-muted, #94a3b8);
}

body.spa-chat .mail-item-subject {
  font-size: 0.88rem;
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body.spa-chat .mail-item-snippet {
  font-size: 0.76rem;
  color: var(--ui-muted, #94a3b8);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body.spa-chat .mail-reader-pane {
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

body.spa-chat .mail-reader-empty {
  margin: auto;
  text-align: center;
  color: var(--ui-muted, #94a3b8);
  max-width: 380px;
}

body.spa-chat .mail-reader-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
  margin-bottom: 14px;
}

body.spa-chat .mail-reader-top-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

body.spa-chat .mail-reader-subject {
  margin: 0;
  font-size: 1.15rem;
}

body.spa-chat .mail-reader-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 6px 14px;
  font-size: 0.8rem;
  color: var(--ui-muted, #94a3b8);
  margin-bottom: 12px;
}

body.spa-chat .mail-reader-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

body.spa-chat .mail-verification-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  font-size: 0.84rem;
}

body.spa-chat .mail-reader-body {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.55;
}

@media (max-width: 820px) {
  body.spa-chat .mail-split-view {
    grid-template-columns: 1fr;
  }
}

.rail-icon {
  position: relative;
}

.rail-unread-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  font-size: 0.65rem;
  line-height: 16px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}