/* ===== Theme tokens — modern, matte, Element/Discord-like ===== */
:root {
  --radius: 14px; --radius-sm: 10px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* Default: refined dark (Discord/Linear vibe) */
[data-theme="modern"] {
  --bg-primary:#16171b; --bg-secondary:#1b1c21; --bg-surface:#212329; --bg-elevated:#2a2c33;
  --text-primary:#eceef1; --text-secondary:#b3b7c0; --text-muted:#7d818c;
  --accent:#6470ff; --accent-2:#8b7bff; --accent-contrast:#fff; --danger:#f0596b;
  --border:#2a2c33; --border-soft:#23252b; --bubble-radius:16px;
  --shadow:0 10px 40px rgba(0,0,0,.45); --online:#3fcf8e;
}
/* Clean light (Element vibe) */
[data-theme="light"] {
  --bg-primary:#f5f6f8; --bg-secondary:#ffffff; --bg-surface:#ffffff; --bg-elevated:#eef0f4;
  --text-primary:#15171c; --text-secondary:#4c525e; --text-muted:#878d99;
  --accent:#3a7afe; --accent-2:#6f63ff; --accent-contrast:#fff; --danger:#e23b4e;
  --border:#e5e8ec; --border-soft:#eef0f3; --bubble-radius:16px;
  --shadow:0 10px 36px rgba(30,40,70,.10); --online:#1bb673;
}
/* Deep midnight */
[data-theme="midnight"] {
  --bg-primary:#0d1117; --bg-secondary:#11161d; --bg-surface:#161c25; --bg-elevated:#1d2531;
  --text-primary:#e7ecf3; --text-secondary:#aab3c2; --text-muted:#6b7585;
  --accent:#4c9bff; --accent-2:#7c8cff; --accent-contrast:#04101f; --danger:#ff6b81;
  --border:#202732; --border-soft:#19202a; --bubble-radius:16px;
  --shadow:0 10px 40px rgba(0,0,0,.5); --online:#37d39a;
}
/* Optional retro terminal (kept, not default) */
[data-theme="shadow"] {
  --bg-primary:#05080a; --bg-secondary:#0a0f0c; --bg-surface:#0c1410; --bg-elevated:#10201a;
  --text-primary:#c9ffe0; --text-secondary:#5fd6a0; --text-muted:#3a8f68;
  --accent:#19d089; --accent-2:#16b478; --accent-contrast:#04130c; --danger:#ff5470;
  --border:#143527; --border-soft:#0e2419; --bubble-radius:10px;
  --shadow:0 10px 40px rgba(0,0,0,.5); --online:#19d089;
  --font:'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; } /* stop mobile auto-shrinking text */
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg-primary); color: var(--text-primary);
  font-family: var(--font); display: flex; flex-direction: column;
  font-size: 15px; line-height: 1.45; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--text-muted) 40%, transparent); border-radius: 9px; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--text-muted) 60%, transparent); }

/* ===== Controls ===== */
input, select, textarea, button {
  font-family: inherit; font-size: 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); padding: 10px 13px;
  background: var(--bg-elevated); color: var(--text-primary); outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s, transform .06s, filter .15s;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
textarea { resize: vertical; }
button {
  cursor: pointer; border: none; font-weight: 600; letter-spacing: .1px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-contrast);
}
button:hover { filter: brightness(1.07); }
button:active { transform: translateY(1px); }
button.secondary, button.ghost { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border); }
button.secondary:hover, button.ghost:hover { background: color-mix(in srgb, var(--accent) 12%, var(--bg-elevated)); border-color: var(--accent); }
button.full { width: 100%; margin-top: 8px; }
button.icon { background: transparent; color: var(--text-secondary); border: 1px solid transparent; font-size: 18px; padding: 8px 11px; line-height: 1; border-radius: 10px; }
button.icon:hover { background: var(--bg-elevated); color: var(--text-primary); }
/* Secret chat (Double Ratchet) active: lock button lit + a key tint on the header. */
#secretBtn.on { color: var(--accent-contrast); background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; }
.conv-header.secret { box-shadow: inset 0 -2px 0 var(--accent); }
.conv-header.secret #peerName::after { content: ' 🔒'; font-size: 12px; opacity: .8; }
button.danger-btn { background: transparent; color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 60%, transparent); }
button.danger-btn:hover { background: color-mix(in srgb, var(--danger) 14%, transparent); }
button:disabled { opacity: .4; cursor: not-allowed; }

/* ===== Top bar ===== */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
}
.brand { font-weight: 800; color: var(--accent); letter-spacing: .5px; font-size: 17px; white-space: nowrap; }
.search-wrap { padding: 10px 10px 4px; }
.search-wrap input { width: 100%; box-sizing: border-box; }
.controls { display: flex; gap: 8px; align-items: center; margin-left: auto; }
/* Live-connection indicator — shown only while the socket is down/reconnecting */
.conn-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.conn-status .conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); animation: connPulse 1.1s ease-in-out infinite; }
@keyframes connPulse { 0%,100% { opacity: .35; } 50% { opacity: 1; } }

/* ===== Auth ===== */
.centered { flex: 1; display: grid; place-items: center; padding: 20px; }
.card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.auth-card { width: min(400px, 94vw); display: flex; flex-direction: column; gap: 14px; }
.auth-brand { font-size: 26px; font-weight: 800; color: var(--accent); text-align: center; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.field input, .field textarea, .field select { color: var(--text-primary); }
.row { display: flex; gap: 10px; }
.row button { flex: 1; }
.muted { color: var(--text-muted); font-size: 13px; margin: 0; }
.error { color: var(--danger); min-height: 18px; font-size: 13px; margin: 2px 0 0; }

/* ===== Chat layout ===== */
.chat { flex: 1; display: grid; grid-template-columns: 320px minmax(0, 1fr); min-height: 0; }
.sidebar { background: var(--bg-secondary); border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; }

.me-bar { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.me-info { display: flex; flex-direction: column; min-width: 0; }
.me-info strong { font-size: 15px; }
.me-status { font-size: 12px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Avatars */
.avatar {
  width: 40px; height: 40px; border-radius: 50%; flex: 0 0 auto;
  background: var(--bg-elevated); border: 1px solid var(--border);
  display: inline-grid; place-items: center; font-weight: 700; color: var(--accent);
  background-size: cover; background-position: center; overflow: hidden; text-transform: uppercase;
}
.avatar.sm { width: 32px; height: 32px; font-size: 13px; }
.avatar.lg { width: 84px; height: 84px; font-size: 30px; }

/* Tabs */
.tabs { display: flex; padding: 8px 8px 0; gap: 4px; border-bottom: 1px solid var(--border); }
.tab {
  flex: 1; background: transparent; border: none; color: var(--text-muted);
  border-bottom: 2px solid transparent; border-radius: 0; padding: 10px 4px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.badge { background: var(--danger); color: #fff; border-radius: 999px; font-size: 11px; padding: 1px 7px; }

.panel { flex: 1; overflow-y: auto; padding: 8px; min-height: 0; }
.panel-title { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-muted); padding: 6px 8px; }
.empty { color: var(--text-muted); font-size: 13px; text-align: center; padding: 24px 16px; line-height: 1.5; }

/* People lists (chats, friends, search, requests) */
.people { list-style: none; margin: 0; padding: 0; }
.people li {
  display: flex; align-items: center; gap: 11px; padding: 9px 10px;
  border-radius: var(--radius-sm); cursor: pointer;
}
.people li:hover { background: var(--bg-elevated); }
.people li.active { background: var(--bg-elevated); }
.person-main { flex: 1; min-width: 0; }
.person-name { font-weight: 600; display: flex; align-items: center; gap: 6px; }
.person-sub { font-size: 12px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.person-actions { display: flex; gap: 6px; flex: 0 0 auto; }
.person-actions button { padding: 5px 9px; font-size: 12px; }
.unread-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }
.mute-tag { font-size: 11px; opacity: .65; }
/* Kebab (⋮) on chat rows → opens the chat context menu */
.row-menu-btn { flex: 0 0 auto; background: transparent; border: none; color: var(--text-muted); font-size: 18px; line-height: 1; padding: 4px 8px; border-radius: 8px; opacity: 0; transition: opacity .12s; }
.people li:hover .row-menu-btn { opacity: 1; }
.row-menu-btn:hover { background: var(--bg-surface); color: var(--text-primary); }
@media (hover: none) { .row-menu-btn { opacity: .6; } } /* always visible on touch devices */
/* Archived section header in the chat list */
.archive-header { display: flex; align-items: center; gap: 8px; padding: 10px 12px; cursor: pointer; color: var(--text-secondary); font-weight: 600; font-size: 13px; border-radius: var(--radius-sm); }
.archive-header:hover { background: var(--bg-elevated); }
/* The chat context menu reuses .msg-menu; give its buttons room + left-align */
#chatMenu button { text-align: left; padding: 9px 12px; font-size: 14px; background: transparent; color: var(--text-primary); border: none; border-radius: 8px; }
#chatMenu button:hover { background: var(--bg-elevated); }
#chatMenu button.danger-btn { color: var(--danger); }

/* ===== Conversation ===== */
.conversation { display: flex; flex-direction: column; min-height: 0; min-width: 0; background: var(--bg-primary); }
.conv-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
.peer-id { display: flex; align-items: center; gap: 10px; background: transparent; border: none; color: var(--text-primary); font-size: 15px; padding: 4px; }
.peer-id:hover { color: var(--accent); }
.call-actions { display: flex; gap: 8px; }
.conv-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-muted); gap: 10px; }
.conv-empty-art { font-size: 56px; color: var(--border); }

.messages { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.bubble {
  max-width: 68%; padding: 9px 13px; border-radius: var(--bubble-radius);
  background: var(--bg-elevated); border: 1px solid var(--border); word-wrap: break-word; line-height: 1.4;
  animation: pop .12s ease-out;
}
@keyframes pop { from { transform: scale(.96); opacity: .4; } to { transform: scale(1); opacity: 1; } }
.bubble.mine { align-self: flex-end; background: var(--accent); color: var(--accent-contrast); border: none; }
.bubble .meta { display: block; font-size: 11px; opacity: .7; margin-top: 4px; }

.composer { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); background: var(--bg-secondary); align-items: center; }
.composer #msgInput { flex: 1; min-width: 0; }

.emoji-panel { display: flex; flex-direction: column; padding: 0; background: var(--bg-elevated); border-top: 1px solid var(--border); max-height: 230px; }
.ep-tabs { display: flex; gap: 4px; padding: 8px 8px 0; border-bottom: 1px solid var(--border); }
.ep-tab { background: transparent; border: none; color: var(--text-secondary); font-size: 16px; font-weight: 700; padding: 6px 12px; border-radius: 8px 8px 0 0; cursor: pointer; }
.ep-tab.active { color: var(--text-primary); background: var(--bg-surface); }
.ep-body { display: flex; flex-wrap: wrap; gap: 2px; padding: 10px; overflow-y: auto; max-height: 180px; }
.ep-body span { cursor: pointer; padding: 4px; border-radius: 6px; }
.ep-body.emoji-grid span { font-size: 22px; }
.ep-body.sticker-grid span { font-size: 34px; padding: 6px; }
.ep-body span:hover { background: var(--bg-surface); }
.ep-body.gif-tab { flex-direction: column; align-items: flex-start; gap: 10px; }
.ep-body.gif-tab .muted { margin: 0; }
/* Stickers render large, with no chat-bubble background. */
.bubble.sticker-bubble { background: transparent !important; box-shadow: none !important; padding: 2px 0; }
.sticker-glyph { font-size: 60px; line-height: 1; display: block; }

/* @mentions */
.mention { color: var(--accent); font-weight: 600; }
.bubble.mine .mention { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.mention.me { background: color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 5px; padding: 0 3px; }
.bubble.mention-hit { box-shadow: inset 3px 0 0 var(--accent); } /* a message that @-mentions me */
/* Mention autocomplete popup above the composer */
.mention-box { list-style: none; margin: 0; padding: 6px; max-height: 220px; overflow-y: auto;
  background: var(--bg-surface); border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 2px; }
.mention-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; cursor: pointer; }
.mention-item.active, .mention-item:hover { background: var(--bg-elevated); }
.mention-name { font-weight: 600; }

.file-msg { display: flex; align-items: center; gap: 10px; }
.file-msg .file-icon { font-size: 26px; }
.file-msg .file-meta { display: flex; flex-direction: column; }
.file-msg .file-name { font-weight: 600; word-break: break-all; }
.file-msg .file-size { font-size: 11px; opacity: .7; }
.file-msg button { font-size: 12px; padding: 4px 9px; }

/* Message extras: reply quote, reactions, status, edited/deleted */
.bubble { position: relative; cursor: default; }
.bubble.deleted { opacity: .6; font-style: italic; }
.reply-quote { display: block; border-left: 3px solid currentColor; padding: 2px 8px; margin-bottom: 5px; font-size: 12px; opacity: .8; border-radius: 4px; background: rgba(127,127,127,.12); }
.reply-quote .rq-name { font-weight: 700; }
.edited-tag { font-size: 10px; opacity: .6; margin-left: 6px; }
.reactions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.reaction { background: rgba(127,127,127,.18); border: 1px solid var(--border); border-radius: 999px; padding: 0 7px; font-size: 12px; cursor: pointer; line-height: 1.7; }
.reaction.mine-react { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 22%, transparent); }
.msg-status { font-size: 11px; margin-left: 6px; }
.msg-status.read { color: #34a0ff; }
.msg-status.failed { color: var(--danger); font-weight: 700; } /* ✗ — not delivered (e.g. not friends yet) */

/* Voice message player */
.voice-msg { display: flex; align-items: center; gap: 8px; min-width: 180px; }
.voice-msg button.vplay { width: 34px; height: 34px; border-radius: 50%; font-size: 14px; padding: 0; }
.voice-msg .vbar { flex: 1; height: 4px; background: rgba(127,127,127,.3); border-radius: 4px; overflow: hidden; }
.voice-msg .vbar i { display: block; height: 100%; width: 0; background: currentColor; }
.voice-msg .vdur { font-size: 11px; opacity: .8; }

/* Reply bar (composer) */
.reply-bar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--bg-elevated); border-top: 1px solid var(--border); font-size: 13px; }
.reply-bar .reply-preview { flex: 1; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reply-icon { color: var(--accent); }

/* Pinned message bar */
.pinned-bar { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: var(--bg-secondary); border-bottom: 1px solid var(--border); font-size: 13px; cursor: pointer; }
.pinned-bar .reply-preview { flex: 1; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fwd-tag { display: block; font-size: 11px; opacity: .7; font-style: italic; margin-bottom: 3px; }
.bubble.flash { animation: flash 1s ease-out; }
@keyframes flash { 0% { background: var(--accent); } 100% {} }

/* Typing indicator */
.peer-id-text { display: flex; flex-direction: column; align-items: flex-start; }
.typing-ind { font-size: 11px; color: var(--accent); }

/* Recording state */
.composer.recording #voiceBtn { background: var(--danger); color: #fff; border-color: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .5; } }

/* Message context menu */
.msg-menu { position: fixed; z-index: 60; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: 6px; min-width: 150px; display: flex; flex-direction: column; gap: 2px; }
.msg-menu button { background: transparent; color: var(--text-primary); border: none; text-align: left; padding: 8px 10px; border-radius: 6px; font-weight: 500; }
.msg-menu button:hover { background: var(--bg-elevated); }
.msg-menu .quick-react { display: flex; gap: 4px; padding: 4px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.msg-menu .quick-react span { cursor: pointer; font-size: 20px; padding: 3px; border-radius: 6px; }
.msg-menu .quick-react span:hover { background: var(--bg-elevated); }

/* ===== Page/screen open–close transitions (Telegram-like) ===== */
.overlay { animation: overlayIn .18s ease-out; }
.overlay .card, .call-card { animation: cardIn .22s cubic-bezier(.2,.8,.3,1); }
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
.conversation:not(.conv-empty-only) { animation: convIn .18s ease-out; }
@keyframes convIn { from { opacity: .5; } to { opacity: 1; } }

/* ===== Overlays / modals ===== */
.overlay { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; background: rgba(0,0,0,.7); backdrop-filter: blur(3px); padding: 16px; }
.modal .card { width: min(420px, 94vw); position: relative; max-height: 90vh; overflow-y: auto; }
.close { position: absolute; top: 12px; right: 12px; background: transparent; border: none; color: var(--text-muted); font-size: 16px; padding: 4px 8px; }
.profile-card { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.profile-card h2 { margin: 6px 0 0; }
.profile-status { color: var(--text-secondary); margin: 0; }
.profile-bio { color: var(--text-muted); margin: 4px 0 0; }
.profile-actions { margin-top: 14px; width: 100%; flex-wrap: wrap; }

/* Key verification (safety number) */
.verify-card { width: min(440px, 94vw); display: flex; flex-direction: column; gap: 12px; }
.safety-number {
  font-family: var(--font-mono, ui-monospace, 'JetBrains Mono', monospace);
  font-size: 19px; letter-spacing: 2px; line-height: 1.8; text-align: center;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 16px; margin: 0; white-space: pre-wrap; word-break: break-word; color: var(--text-primary);
}
#verifyBtn.verified { color: var(--online); }
.settings-card { display: flex; flex-direction: column; gap: 12px; }
.settings-card h2, .settings-card h3 { margin: 0; }
.settings-card h3 { font-size: 13px; color: var(--text-secondary); border-top: 1px solid var(--border); padding-top: 12px; }
.row-field { flex-direction: row; align-items: center; justify-content: space-between; }
.row-field select { width: 50%; }
.avatar-edit { display: flex; flex-direction: column; align-items: center; gap: 10px; }

/* Avatar cropper */
.crop-card { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.crop-card h2 { margin: 0; align-self: flex-start; }
.crop-viewport { position: relative; width: 300px; height: 300px; max-width: 80vw; max-height: 80vw; border-radius: 12px; overflow: hidden; background: #000; cursor: grab; touch-action: none; }
.crop-viewport:active { cursor: grabbing; }
.crop-viewport canvas { display: block; width: 100%; height: 100%; }
/* circular guide: a centred circle whose huge outer shadow dims everything
   outside it, so the user sees exactly what will land in the round avatar */
.crop-ring { position: absolute; inset: 0; pointer-events: none; }
.crop-ring::after { content: ''; position: absolute; inset: 0; border-radius: 50%;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.45); border: 2px solid rgba(255,255,255,.85); }
.crop-zoom { display: flex; align-items: center; gap: 10px; width: 100%; color: var(--text-secondary); }
.crop-zoom input[type=range] { flex: 1; accent-color: var(--accent); }
.crop-actions { display: flex; gap: 10px; width: 100%; }
.crop-actions button { flex: 1; }

/* Group settings: photo picker, permissions, invite link */
.group-photo-pick { position: relative; width: 120px; height: 120px; margin: 4px auto 8px; }
.group-photo-pick .avatar { width: 120px; height: 120px; font-size: 44px; }
.photo-fab { position: absolute; right: -2px; bottom: -2px; width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; font-size: 16px; border: 3px solid var(--bg-secondary);
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-contrast); }
.perm-list { display: flex; flex-direction: column; gap: 2px; margin: 4px 0 10px; }
.perm-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 2px; border-bottom: 1px solid var(--border); cursor: pointer; }
.perm-row:last-child { border-bottom: none; }
.perm-row span { color: var(--text-primary); font-size: 14px; }
.perm-row input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); flex: 0 0 auto; }
.invite-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.invite-link { flex: 1 1 100%; font-size: 12px; color: var(--text-secondary); }
#groupInfoMeta { font-size: 12px; margin: 2px 0 8px; }

/* Call screen — full-bleed (override the modal centering/padding of .overlay) */
#callScreen { padding: 0; display: block; }
.call-card { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; min-width: 280px; }
.call-stage { position: relative; width: 100%; height: 100%; overflow: hidden; }
#remoteVideo { width: 100%; height: 100%; object-fit: cover; background: #000; }
#localVideo { position: absolute; right: 16px; top: 16px; width: 132px; max-width: 30vw; aspect-ratio: 3/4; border-radius: 16px; border: 2px solid rgba(255,255,255,.5); box-shadow: 0 8px 28px rgba(0,0,0,.5); object-fit: cover; background: #111; z-index: 3; }
#localVideo.mirror { transform: scaleX(-1); } /* selfie view, like every messenger */
/* Remote-side poster: soft gradient + avatar while the peer's frames aren't up */
.call-remote-poster { position: absolute; inset: 0; z-index: 2; pointer-events: none; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  background: radial-gradient(circle at 50% 38%, color-mix(in srgb, var(--accent) 22%, #0b0d12), #0b0d12 72%); color: #fff; }
.call-remote-poster strong { font-size: 20px; }
.call-remote-poster .muted { color: rgba(255,255,255,.6); }
.call-info { position: absolute; top: 16px; left: 16px; color: #fff; background: rgba(0,0,0,.5); padding: 6px 12px; border-radius: 999px; font-size: 13px; }
/* Control bar: wraps so no button (incl. hangup) can ever overflow off-screen
   when the camera turns on and a 5th button appears; tinted so it stays legible
   over video. */
.call-controls { position: absolute; bottom: max(24px, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%);
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; z-index: 5;
  max-width: 94vw; padding: 10px 16px; border-radius: 999px;
  background: rgba(0,0,0,.34); backdrop-filter: blur(8px); }
.call-info, .call-participants { z-index: 4; }
.call-controls .icon { width: 56px; height: 56px; border-radius: 50%; font-size: 22px; background: rgba(255,255,255,.12); color: #fff; flex: 0 0 auto; }
.call-controls .icon:hover { background: rgba(255,255,255,.22); }
.call-controls .icon.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.call-controls .icon.off { opacity: .5; }

/* Digital call visualizer (sound waves) — shown for voice calls */
.call-viz { position: absolute; inset: 0; width: 100%; height: 100%; display: block; background:
  radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--accent) 10%, #000), #000 70%); }
.call-stage.has-video .call-viz { display: none; }
.call-participants { position: absolute; top: 60px; left: 0; right: 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.call-chip { display: flex; align-items: center; gap: 7px; background: rgba(0,0,0,.55); color: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; font-size: 13px; }
.call-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: #555; }
.call-chip .dot.live { background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* Invite picker reuses .people */
#inviteList { max-height: 50vh; overflow-y: auto; }

/* Call avatar (round) shown while connecting / for voice calls */
.avatar.xl { width: 120px; height: 120px; font-size: 44px; box-shadow: 0 0 44px color-mix(in srgb, var(--accent) 45%, transparent); }
.call-avatar-wrap { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.call-stage.has-video .call-avatar-wrap { display: none; }

/* Centered system note in a conversation (call log entries, etc.) */
.system-note { align-self: center; max-width: 80%; text-align: center; margin: 6px auto; padding: 4px 12px;
  font-size: 12px; color: var(--text-secondary); background: var(--bg-elevated); border: 1px solid var(--border-soft); border-radius: 999px; }

/* View-once photo card + lit composer button */
#viewOnceBtn.on { color: var(--accent-contrast); background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; }
.view-once { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; padding: 10px 14px; border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-elevated)); border: 1px dashed color-mix(in srgb, var(--accent) 55%, transparent); color: var(--text-primary); font-size: 14px; }
.view-once:hover { background: color-mix(in srgb, var(--accent) 26%, var(--bg-elevated)); }
.view-once.done { cursor: default; opacity: .6; border-style: solid; background: var(--bg-elevated); }
/* Full-screen view-once viewer */
.vo-viewer { position: relative; width: 100%; height: 100%; display: grid; place-items: center; }
#viewOnceImg { max-width: 94vw; max-height: 82vh; border-radius: 10px; box-shadow: 0 12px 50px rgba(0,0,0,.6); }
.vo-hint { position: absolute; bottom: max(24px, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.8); background: rgba(0,0,0,.45); padding: 6px 14px; border-radius: 999px; font-size: 13px; }

/* Inline image messages */
.img-msg img { max-width: min(260px, 60vw); max-height: 320px; border-radius: 10px; display: block; cursor: pointer; background: rgba(127,127,127,.15); }

/* Mobile back button (in conversation header) */
.back-btn { display: none; background: transparent; border: none; color: var(--text-primary); font-size: 20px; padding: 4px 8px; }

/* ===== Mobile / responsive ===== */
html, body { overscroll-behavior: none; }
.messages, .panel, .modal .card, #inviteList { overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.topbar { padding-top: max(10px, env(safe-area-inset-top)); }
.composer { padding-bottom: max(12px, env(safe-area-inset-bottom)); }

@media (max-width: 720px) {
  /* Stop the page from shifting/rubber-banding on touch; lock to viewport. */
  html, body { overflow: hidden; height: 100vh; height: 100dvh; }
  /* 16px inputs prevent iOS from auto-zooming (the "screen shift" on focus). */
  input, select, textarea, #msgInput { font-size: 16px; }
  .brand { font-size: 15px; }
  .controls select { max-width: 64px; }

  .chat { grid-template-columns: minmax(0, 1fr); }
  .sidebar { width: 100%; }
  .conversation { display: none; }
  .chat.in-convo .sidebar { display: none; }
  .chat.in-convo .conversation { display: flex; animation: slideIn .22s ease-out; }
  @keyframes slideIn { from { transform: translateX(16%); opacity: .5; } to { transform: none; opacity: 1; } }
  .back-btn { display: inline-flex; }

  .bubble { max-width: 84%; }
  .call-controls .icon { width: 52px; height: 52px; }
  /* Touch targets */
  button, .people li, .tab { min-height: 40px; }
}

@media (max-width: 720px) {
  .chat { grid-template-columns: minmax(0, 1fr); }
  .conversation.show { position: fixed; inset: 49px 0 0; z-index: 30; }
}

/* ============================================================ */
/* ===== Modern polish layer (Element/Discord-like) ========== */
/* ============================================================ */
.topbar { backdrop-filter: blur(8px); background: color-mix(in srgb, var(--bg-secondary) 88%, transparent); }
.brand { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.search-wrap input { background: var(--bg-elevated); border-radius: 999px; padding-left: 16px; }

.sidebar { background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary)); }
.me-bar { gap: 12px; }

/* Gradient initials avatars; image overrides the gradient when set.
   Use the background-image longhand (NOT the `background` shorthand) so it does
   not reset background-size:cover / background-position:center from .avatar —
   otherwise an uploaded photo renders at natural size in the top-left corner. */
.avatar { background-image: linear-gradient(135deg, var(--accent), var(--accent-2)); background-color: var(--bg-elevated); background-size: cover; background-position: center; color: #fff; border: none; box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.avatar.xl { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent), 0 10px 40px rgba(0,0,0,.4); }

/* Tabs */
.tab { font-size: 14px; }
.tab.active { color: var(--text-primary); }
.tab.active::after { content: ''; }

/* People rows — softer, roomier */
.people li { padding: 11px 12px; border-radius: 12px; gap: 12px; }
.people li:hover { background: var(--bg-elevated); }
.people li.active { background: color-mix(in srgb, var(--accent) 16%, var(--bg-elevated)); }
.person-name { font-size: 15px; font-weight: 600; }

/* Conversation + bubbles */
.conv-header { backdrop-filter: blur(6px); background: color-mix(in srgb, var(--bg-secondary) 90%, transparent); }
.messages { padding: 20px; gap: 6px; }
.bubble { box-shadow: 0 1px 2px rgba(0,0,0,.18); font-size: 15px; padding: 9px 14px; }
.bubble:not(.mine) { background: var(--bg-surface); border-color: var(--border-soft); }
.bubble.mine { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.bubble .meta { font-size: 11px; }

/* Composer */
.composer { padding: 14px; gap: 10px; }
.composer #msgInput { border-radius: 999px; background: var(--bg-elevated); padding: 11px 16px; }
.composer #sendBtn { border-radius: 999px; padding: 10px 20px; }

/* Cards / modals — soft elevated */
.card { border-radius: 18px; border-color: var(--border-soft); }
.auth-brand { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Context menu — readable */
.msg-menu { min-width: 184px; border-radius: 14px; padding: 8px; }
.msg-menu button { font-size: 15px; padding: 10px 12px; }
.msg-menu .quick-react span { font-size: 22px; padding: 5px; }

/* Reactions */
.reaction { padding: 1px 9px; line-height: 1.8; font-size: 13px; }

/* ===== Mobile readability ===== */
@media (max-width: 720px) {
  body { font-size: 15px; }
  .brand { font-size: 16px; }
  /* Logout lives in Settings on mobile — frees crowded topbar space. */
  #logoutBtn { display: none; }
  .controls { gap: 6px; }
  .controls select { font-size: 13px; padding: 7px 8px; max-width: 84px; }
  .topbar { padding: 8px 12px; gap: 8px; }
  .messages { padding: 14px; }
  .bubble { max-width: 86%; font-size: 15px; }
  .msg-menu { min-width: 60vw; }
  .msg-menu button { padding: 13px 14px; font-size: 16px; }
  .modal .card { width: 94vw; border-radius: 16px; }
  .people li { padding: 13px 12px; }
  .tab { padding: 12px 4px; font-size: 14px; }
  .call-controls .icon { width: 56px; height: 56px; }

  /* Composer: give the text box the room. Compact the icons and move the two
     niche actions (self-destruct, steganography) out of the bar so the input
     isn't squeezed to a sliver on a phone. */
  .composer { gap: 4px; padding: 8px 8px; padding-bottom: max(8px, env(safe-area-inset-bottom)); }
  .composer .icon { padding: 8px 7px; font-size: 21px; min-height: 42px; }
  .composer #ttlBtn, .composer #stegoBtn { display: none; }
  .composer #msgInput { flex: 1 1 auto; min-width: 0; padding: 12px 16px; }
  .composer #sendBtn { padding: 11px 16px; }
}

/* Admin panel stats */
.admin-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 8px 0 4px; }
.admin-stat { background: var(--bg-elevated); border: 1px solid var(--border-soft); border-radius: 14px; padding: 14px; text-align: center; }
.admin-stat b { display: block; font-size: 24px; color: var(--accent); }
.admin-stat span { font-size: 12px; color: var(--text-muted); }

/* Burner chat (ephemeral) */
.burner-box { width: min(560px, 96vw); height: min(80vh, 760px); background: var(--bg-surface); border: 1px solid var(--border); border-radius: 18px; display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--shadow); }
.burner-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--border); background: linear-gradient(135deg, color-mix(in srgb, var(--danger) 22%, var(--bg-secondary)), var(--bg-secondary)); }
.burner-peers { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.burner-share { padding: 10px 14px; font-size: 12px; color: var(--text-secondary); border-bottom: 1px solid var(--border); display: flex; gap: 8px; align-items: center; }
.burner-share input { flex: 1; font-size: 12px; }
.burner-box .messages { flex: 1; }