:root {
  --message-color: #263149;
  --message-text: #f8fafc;
}

.feature-form {
  display: grid;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
}
.feature-form h2,
.private-sidebar h2 { font-size: 1rem; margin: 0; }
.feature-form label { display: grid; gap: 6px; font-size: 0.85rem; color: var(--text-muted); }
.feature-form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-check { display: flex !important; align-items: center; gap: 8px; }
.feature-check input { width: 18px; height: 18px; }
.feature-hint { color: var(--text-muted); font-size: 0.82rem; line-height: 1.5; }
.feature-list { display: grid; gap: 10px; margin-top: 18px; }
.feature-item { border-bottom: 1px solid var(--border-color); padding: 12px 0; }
.feature-item h3 { font-size: 0.98rem; margin-bottom: 4px; }
.feature-item p { color: var(--text-muted); font-size: 0.86rem; }
.feature-item a { color: var(--cyan-glow); overflow-wrap: anywhere; }
.site-status-tabs { display: flex; gap: 8px; margin-top: 18px; }
.site-status-tabs .active { border-color: var(--cyan-glow); color: var(--cyan-glow); }
.admin-search-results { display: grid; gap: 4px; max-height: 180px; overflow-y: auto; }
.admin-search-results button { width: 100%; text-align: left; border: 1px solid var(--border-color); border-radius: 5px; padding: 8px; color: var(--text-main); background: var(--bg-card); cursor: pointer; }
.admin-search-results button:hover { border-color: var(--cyan-glow); }
.roadmap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 8px; margin-top: 14px; }
.roadmap-item { min-width: 0; border: 1px solid var(--border-color); border-radius: 6px; padding: 11px 13px; background: var(--bg-dark); }
.roadmap-item summary { color: var(--text-main); font-weight: 650; cursor: pointer; }
.roadmap-item summary:focus-visible { outline: 2px solid var(--cyan-glow); outline-offset: 3px; }
.roadmap-item p { margin: 9px 0 0; color: var(--text-muted); font-size: 0.86rem; line-height: 1.65; }
.text-button { border: 0; background: none; color: var(--cyan-glow); cursor: pointer; font: inherit; text-decoration: underline; }
.icon-button { width: 38px; height: 38px; border: 1px solid var(--border-color); border-radius: 6px; background: transparent; color: var(--text-main); cursor: pointer; flex: none; }
.icon-button:hover { border-color: var(--cyan-glow); }

.private-layout { display: grid; grid-template-columns: minmax(190px, 270px) minmax(0, 1fr); min-height: 540px; border-top: 1px solid var(--border-color); }
.private-sidebar { padding: 16px 14px 16px 0; border-right: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 10px; }
.private-sidebar label { font-size: 0.84rem; color: var(--text-muted); }
.private-peers { display: grid; gap: 4px; }
.private-peer { border: none; border-radius: 6px; background: transparent; color: var(--text-main); text-align: left; padding: 10px; cursor: pointer; }
.private-peer:hover, .private-peer.active { background: var(--bg-card-hover); }
.private-peer small { display: block; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.private-conversation { min-width: 0; display: flex; flex-direction: column; }
.private-header { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 0 10px 16px; border-bottom: 1px solid var(--border-color); }
.private-call-actions { display: flex; gap: 6px; }
.private-messages { flex: 1; min-height: 360px; max-height: 540px; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.private-compose { display: flex; gap: 8px; padding: 12px 0 0 16px; }
.message-item { padding: 10px 12px; background: var(--message-color); color: var(--message-text); border: 1px solid var(--border-color); border-radius: 6px; max-width: min(90%, 560px); overflow-wrap: anywhere; }
.message-item.own { align-self: flex-end; }
.message-meta { display: flex; justify-content: space-between; align-items: start; gap: 8px; flex-wrap: wrap; margin-bottom: 5px; font-size: 0.76rem; }
.message-meta time { opacity: 0.75; white-space: nowrap; }
.message-body { cursor: default; line-height: 1.45; }
.message-body.meow { cursor: pointer; }
.learn-word { border: 0; padding: 0; background: none; color: inherit; font: inherit; text-decoration: underline dotted; text-underline-offset: 3px; cursor: pointer; }
.word-translation { position: fixed; z-index: 2000; max-width: 180px; padding: 7px 10px; border-radius: 5px; background: #162b34; color: #fff; box-shadow: 0 5px 18px #0008; pointer-events: none; font-size: 0.85rem; }
.message-actions { display: flex; gap: 6px; margin-top: 6px; }
.message-actions button { background: none; border: 0; color: inherit; opacity: 0.75; cursor: pointer; font-size: 0.74rem; }
.message-actions button:hover { opacity: 1; text-decoration: underline; }
.badge-real, .badge-fake { font-size: 0.63rem; padding: 2px 5px; border-radius: 4px; vertical-align: middle; margin-left: 5px; }
.badge-real { background: #8a5b05; color: #fff; }
.badge-fake { background: #9c2845; color: #fff; }

.announcement-overlay, .impersonation-banner { position: fixed; left: 50%; transform: translateX(-50%); width: min(92vw, 850px); z-index: 1400; background: #192b34; border: 1px solid #3a8994; border-radius: 6px; color: #fff; padding: 10px 14px; display: flex; align-items: center; gap: 12px; box-shadow: 0 12px 30px rgba(0,0,0,.3); }
.announcement-overlay { top: 12px; }
.announcement-overlay span { flex: 1; }
.impersonation-banner { bottom: 78px; justify-content: space-between; background: #4b2727; border-color: #e17d6a; }
.home-announcements { margin: 18px 0; }
.home-announcements:empty { display: none; }
.home-announcement { border-left: 3px solid var(--cyan-glow); padding: 10px 14px; margin-bottom: 8px; background: var(--bg-card); }
.birthday-toast { position: fixed; z-index: 1500; top: 75px; right: 16px; padding: 16px 20px; max-width: 340px; border-radius: 6px; background: #1c5b50; color: #fff; box-shadow: 0 12px 30px #0006; }
.b-screamer { position: fixed; inset: 0; z-index: 999998; display: grid; place-items: center; pointer-events: none; opacity: 0; color: #fff; background: transparent; font: 900 min(70vh, 70vw)/1 Impact, sans-serif; text-shadow: 0 0 24px #ff1744, 0 0 60px #ff1744; }
.b-screamer.show { animation: b-scare 650ms ease-out forwards; }
@keyframes b-scare { 0% { opacity: 0; transform: scale(1.7); } 12% { opacity: 1; transform: scale(1); } 45% { opacity: 1; } 100% { opacity: 0; } }
.call-panel { position: fixed; z-index: 1600; bottom: 18px; right: 18px; width: min(440px, calc(100vw - 36px)); background: #101923; color: #fff; border: 1px solid #40838e; border-radius: 6px; padding: 12px; box-shadow: 0 16px 40px #0009; }
.call-panel-header, .call-actions { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.call-panel-header span { font-size: 0.8rem; color: #9fd4d5; }
.call-videos { display: flex; gap: 6px; margin: 12px 0; }
.call-videos video { width: 50%; aspect-ratio: 4/3; object-fit: cover; background: #000; border-radius: 4px; }
.call-panel.audio .call-videos { display: none; }
.mobile-more-menu { display: none; }
[hidden] { display: none !important; }

html[data-theme="light"] {
  --bg-dark: #f4f7f9;
  --bg-card: #fff;
  --bg-card-hover: #e8f0f3;
  --border-color: #c3d1d6;
  --text-main: #182b33;
  --text-muted: #536771;
  --cyan-glow: #087c8d;
  --primary: #4057bd;
  --message-color: #e8f0f3;
  --message-text: #17262d;
}
html[data-theme="light"] body { background-image: none; }
html[data-theme="light"] .sidebar, html[data-theme="light"] .mobile-bottom-nav, html[data-theme="light"] .top-header { background: #fff; }
html[data-theme="light"] .btn-secondary { color: #182b33; background: #e8f0f3; border-color: #c3d1d6; }
html[data-theme="light"] .glass-card, html[data-theme="light"] .form-input, html[data-theme="light"] .form-select, html[data-theme="light"] .form-textarea { color: #182b33; background: #fff; }

@media (max-width: 900px) {
  .mobile-more-menu { position: fixed; z-index: 1100; bottom: 65px; right: 8px; width: min(260px, calc(100vw - 16px)); max-height: 65vh; overflow-y: auto; padding: 8px; background: #111b28; border: 1px solid var(--border-color); border-radius: 6px; box-shadow: 0 12px 30px #0007; }
  .mobile-more-menu.open { display: grid; }
  .mobile-more-menu button { text-align: left; padding: 10px; border: 0; background: none; color: #fff; font: inherit; cursor: pointer; }
  .mobile-more-menu button i { width: 24px; }
  .feature-form-row { grid-template-columns: 1fr; }
  .private-layout { grid-template-columns: 1fr; }
  .private-sidebar { border-right: 0; border-bottom: 1px solid var(--border-color); padding-right: 0; }
  .private-peers { display: flex; overflow-x: auto; }
  .private-peer { flex: none; min-width: 110px; }
  .private-header, .private-compose { padding-left: 0; }
  .private-messages { min-height: 240px; }
  .announcement-overlay { top: 6px; }
  .impersonation-banner { bottom: 70px; }
}