@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&display=swap');

:root {
  color-scheme: light only;
  --bg: #f7f8fa;
  --paper: #ffffff;
  --wash: #eef1f5;
  --ink: #121826;
  --muted: #5a6475;
  --line: #d8dee8;
  --accent: #1a56db;
  --accent-soft: #e7eefc;
  --danger: #b42318;
  --ok: #067647;
  --font: "Manrope", "Segoe UI", system-ui, sans-serif;
  --display: "Manrope", "Segoe UI", system-ui, sans-serif;
  --r: 8px;
}

html {
  color-scheme: light only;
  background: var(--bg) !important;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #e8eef8 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #f0f3f8 0%, transparent 50%),
    var(--bg) !important;
  font-size: 14.5px;
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(920px, calc(100% - 1.5rem)); margin: 0 auto; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 0;
  gap: .75rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand img, .brand svg { width: 28px; height: 28px; display: block; }
.nav-actions { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: .45rem .75rem;
  font: inherit;
  font-weight: 600;
  font-size: .86rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  text-decoration: none;
}
.btn:hover { background: var(--wash); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); background: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-danger { color: var(--danger); border-color: #f0d2ce; background: #fff; }
.btn-sm { padding: .3rem .55rem; font-size: .8rem; }

.hero {
  padding: 3.25rem 0 2.25rem;
  max-width: 34rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.4rem, 6vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 .75rem;
  font-weight: 700;
  color: var(--ink);
}
.hero p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 28rem;
}
.hero-cta { display: flex; gap: .45rem; flex-wrap: wrap; }
.hero-note { margin-top: 1.15rem; color: var(--muted); font-size: .85rem; }

.footer {
  margin-top: 2rem;
  padding: 1rem 0 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .8rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.app-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .75rem;
  padding: .7rem 0 .2rem;
}
.app-bar-right {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.app-meta { color: var(--muted); font-size: .8rem; }

.tabs {
  display: flex;
  gap: .15rem;
  margin-top: .4rem;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: .55rem .7rem;
  font: inherit;
  font-weight: 600;
  font-size: .86rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }

.main-panel { padding: .8rem; margin-top: .65rem; background: #fff; }
.toolbar {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: .55rem;
}
.toolbar strong { font-size: .9rem; }

input, select, textarea {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 8px;
  padding: .45rem .6rem;
  font: inherit;
  font-size: .86rem;
}
textarea { width: 100%; min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent-soft);
  border-color: #93b4f5;
}

.file-list { display: grid; gap: .25rem; }
.file-row {
  display: flex;
  justify-content: space-between;
  gap: .6rem;
  align-items: center;
  padding: .45rem .55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafbfc;
}
.file-row .meta { color: var(--muted); font-size: .75rem; }
.file-row .actions { display: flex; gap: .25rem; flex-shrink: 0; }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .55rem;
  margin-top: .35rem;
}
.preview-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafbfc;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.preview-media {
  aspect-ratio: 1;
  background: #eef2f7;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.preview-media img, .preview-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #e8edf4;
}
.preview-media .ext {
  font-weight: 700;
  color: var(--muted);
  font-size: .85rem;
  text-transform: uppercase;
}
.preview-body { padding: .45rem .5rem .55rem; }
.preview-body strong {
  display: block;
  font-size: .78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.preview-body .meta { color: var(--muted); font-size: .72rem; margin-top: .1rem; }
.preview-actions {
  display: flex;
  gap: .25rem;
  padding: 0 .45rem .5rem;
}

.drop-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}
.drop-file + .drop-file {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.drop-file-row {
  border: 0;
  padding: .55rem 0 0;
  background: transparent;
}
.drop-preview {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #eef2f7;
  overflow: hidden;
}
.drop-preview img,
.drop-preview video {
  display: block;
  width: 100%;
  max-height: min(70vh, 560px);
  object-fit: contain;
  background: #0f1720;
  vertical-align: middle;
}
.drop-video-wrap {
  position: relative;
  background: #0f1720;
}
.drop-play-btn {
  position: absolute;
  left: 50%;
  top: calc(50% - 0.6rem);
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 4rem;
  height: 4rem;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 32, .72);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.28);
  backdrop-filter: blur(4px);
  transition: transform .15s ease, background .15s ease, opacity .15s ease;
}
.drop-play-btn:hover {
  background: rgba(15, 23, 32, .88);
  transform: translate(-50%, -50%) scale(1.05);
}
.drop-play-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}
.drop-play-btn svg {
  width: 1.35rem;
  height: 1.35rem;
  margin-left: .15rem;
  fill: currentColor;
}
.drop-video-wrap.is-playing .drop-play-btn {
  opacity: 0;
  pointer-events: none;
}
.drop-preview-audio {
  padding: .85rem 1rem;
  background: #fafbfc;
}
.drop-preview-audio audio { width: 100%; }
.drop-preview-pdf iframe {
  display: block;
  width: 100%;
  height: min(70vh, 560px);
  border: 0;
  background: #fff;
}
.drop-preview-file {
  min-height: 8rem;
  display: grid;
  place-items: center;
  background: #fafbfc;
}
.drop-preview-file .ext {
  font-weight: 700;
  color: var(--muted);
  font-size: 1.1rem;
  letter-spacing: .04em;
}

.muted { color: var(--muted); }
.err { color: var(--danger); }
.ok { color: var(--ok); }

.auth-box {
  width: min(360px, 100%);
  margin: 2rem auto;
  padding: 1.1rem;
  display: grid;
  gap: .5rem;
  background: #fff;
}
.auth-box h1 {
  font-family: var(--display);
  margin: 0;
  font-size: 1.4rem;
}

.meter, .progress {
  height: 5px;
  border-radius: 99px;
  background: #e8ecf2;
  overflow: hidden;
  margin: .3rem 0 .55rem;
}
.progress { display: none; }
.progress.on { display: block; }
.meter > i, .progress > i {
  display: block;
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width .12s linear;
}
.progress-label {
  display: none;
  margin: -.25rem 0 .55rem;
  font-size: .74rem;
  color: var(--muted);
}
.progress-label.on { display: block; }

.settings-grid { display: grid; gap: .75rem; }
.settings-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .75rem;
  background: #fafbfc;
}
.settings-card h3 { margin: 0 0 .35rem; font-size: .92rem; }
.settings-card p { margin: 0; color: var(--muted); font-size: .82rem; }
.settings-row { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .55rem; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .55rem;
  margin-top: .85rem;
}
@media (max-width: 840px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .price-grid { grid-template-columns: 1fr; } }
.price {
  padding: .85rem;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  background: #fff;
}
.price.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.price h3 { margin: 0; font-size: .95rem; }
.price .amt {
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}
.price .amt span { font-size: .78rem; color: var(--muted); font-family: var(--font); }
.price ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.5;
  flex: 1;
}
.price ul li::before { content: "– "; }
.section-head { padding: 1rem 0 .2rem; }
.section-head h2 {
  font-family: var(--display);
  font-size: 1.6rem;
  margin: 0 0 .25rem;
  color: var(--ink);
}
.section-head p { margin: 0; color: var(--muted); }

.faq { display: grid; gap: .55rem; margin-top: .85rem; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .7rem .8rem;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}
.faq p { margin: .45rem 0 0; color: var(--muted); font-size: .88rem; }

.help-form {
  display: grid;
  gap: .55rem;
  max-width: 520px;
  margin-top: .85rem;
}
.emergency-opt {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.35;
  margin: .15rem 0 .25rem;
}
.emergency-opt input { margin-top: .2rem; }
.emergency-opt strong { color: var(--ink); }
.hp {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: .4rem;
}
.media-grid img, .media-grid video {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #e8edf4;
}
.room-stage { min-height: 55vh; }

.chip-row { display: flex; flex-wrap: wrap; gap: .3rem; margin: .25rem 0 .45rem; }
.chip {
  background: var(--accent-soft);
  color: var(--ink);
  border-radius: 999px;
  padding: .2rem .55rem;
  font-size: .75rem;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: none;
  place-items: center;
  z-index: 50;
  padding: 1rem;
}
.lightbox.on { display: grid; }
.lightbox-inner {
  background: #fff;
  border-radius: 12px;
  max-width: min(960px, 100%);
  max-height: 90vh;
  overflow: auto;
  padding: .75rem;
}
.lightbox-inner img, .lightbox-inner video {
  max-width: 100%;
  max-height: 75vh;
  display: block;
  margin: 0 auto;
  background: #f3f5f8;
}
.text-preview {
  margin: 0;
  max-width: min(900px, 90vw);
  max-height: 70vh;
  overflow: auto;
  padding: .85rem 1rem;
  background: #f6f4ef;
  border: 1px solid var(--line);
  border-radius: .4rem;
  font: .82rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
  text-align: left;
  color: var(--ink);
}
.file-preview-card {
  text-align: center;
  padding: 1rem 1.25rem;
}
.file-preview-card .ext {
  display: inline-block;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: .35rem .55rem;
  border: 1px solid var(--line);
  border-radius: .35rem;
  margin-bottom: .6rem;
}
.lightbox-bar {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  align-items: center;
  margin-bottom: .55rem;
}

.legal {
  max-width: 40rem;
  padding: 1.25rem 0 2rem;
}
.legal h1 {
  font-size: 1.75rem;
  margin: 0 0 .35rem;
  letter-spacing: -0.02em;
}
.legal h2 {
  font-size: 1.05rem;
  margin: 1.35rem 0 .4rem;
}
.legal p, .legal li {
  color: var(--ink);
  font-size: .92rem;
}
.legal ul {
  padding-left: 1.15rem;
  margin: .35rem 0 .75rem;
}
.legal li { margin: .25rem 0; }

.pin-gate {
  max-width: 22rem;
  margin: 2rem auto;
  padding: 1.25rem;
  text-align: center;
}
.pin-gate input {
  width: 100%;
  margin: .65rem 0;
  text-align: center;
  letter-spacing: .12em;
  font-weight: 700;
}

.room-meta {
  font-size: .78rem;
  color: var(--muted);
  margin: .2rem 0 0;
}
.room-meta code {
  font-family: ui-monospace, Consolas, monospace;
  background: var(--wash);
  padding: .1rem .35rem;
  border-radius: 4px;
  color: var(--ink);
}

@media (max-width: 720px) {
  .wrap { width: min(100% - 1rem, 920px); }
  .nav { flex-wrap: wrap; }
  .nav-actions { width: 100%; justify-content: flex-end; }
  .hero { padding: 2rem 0 1.5rem; }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
  .app-bar { flex-wrap: wrap; }
  .app-meta { width: 100%; font-size: .75rem; word-break: break-all; }
  .tabs { gap: 0; }
  .tab { padding: .5rem .55rem; font-size: .8rem; }
  .toolbar { gap: .3rem; }
  .toolbar input, .toolbar select { max-width: 100% !important; flex: 1 1 8rem; }
  .file-row {
    flex-direction: column;
    align-items: stretch;
  }
  .file-row .actions { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .preview-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .settings-row input { flex: 1 1 100%; }
  .media-grid { grid-template-columns: 1fr; }
  .footer { gap: .65rem .9rem; font-size: .75rem; }
  .legal { padding-top: .5rem; }
  .auth-box { margin: 1.25rem auto; }
  .drop-head {
    flex-wrap: wrap;
    align-items: center;
  }
  .drop-head .btn { flex-shrink: 0; }
  .drop-preview img,
  .drop-preview video {
    max-height: min(62vh, 420px);
  }
  .drop-preview-pdf iframe {
    height: min(55vh, 360px);
  }
  .drop-file-row .actions .btn {
    width: 100%;
    justify-content: center;
  }
  .panel.main-panel {
    padding: .85rem .9rem 1rem;
  }
}
@media (max-width: 420px) {
  .brand { font-size: 1.15rem; }
  .btn { padding: .4rem .6rem; }
  .price .amt { font-size: 1.35rem; }
}
@media (min-width: 1100px) {
  .wrap { width: min(980px, calc(100% - 2rem)); }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  margin: .5rem 0 1rem;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: .86rem;
}
.compare-table th, .compare-table td {
  padding: .7rem .75rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.compare-table thead th {
  background: #f3f6fa;
  font-weight: 650;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--muted);
}
.compare-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.compare-table tbody tr:last-child td,
.compare-table tbody tr:last-child th { border-bottom: 0; }

.files-bar {
  display: grid;
  gap: .55rem;
  margin-bottom: .65rem;
}
.files-bar-top {
  display: flex;
  justify-content: space-between;
  gap: .6rem;
  align-items: flex-end;
  flex-wrap: wrap;
}
.files-path-label {
  display: block;
  font-size: .72rem;
  color: var(--muted);
  margin-bottom: .15rem;
}
.breadcrumb {
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}
.files-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  align-items: center;
}
.view-toggle {
  display: inline-flex;
  gap: .25rem;
  padding: .15rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f3f6fa;
}
.view-toggle .btn { background: transparent; border-color: transparent; }
.view-toggle .btn.active, .view-toggle .btn[aria-pressed="true"] {
  background: #fff;
  border-color: var(--line);
}

.room-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #e9eef6 0%, #f4f6f9 42%, #f7f8fa 100%);
}
.room-shell {
  width: min(720px, calc(100% - 1.25rem));
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: .55rem 0 .85rem;
}
.room-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .15rem 0 .55rem;
  flex-shrink: 0;
}
.room-top-right {
  display: flex;
  align-items: center;
  gap: .45rem;
}
.room-viewers {
  font-size: .78rem;
  color: var(--muted);
  white-space: nowrap;
}
.room-pin {
  margin-top: 1.5rem;
  max-width: 22rem;
  margin-left: auto;
  margin-right: auto;
}
.room-pin h2 { margin: 0; font-size: 1.1rem; font-family: var(--display); }
.room-pin p { margin: .4rem 0 .75rem; font-size: .85rem; }
.room-pin input { width: 100%; margin-bottom: .55rem; }
.room-pin .err { margin: .5rem 0 0; font-size: .82rem; }
.room-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(216, 222, 232, .9);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(20, 30, 50, .05);
  overflow: hidden;
  backdrop-filter: blur(6px);
}
.room-header {
  padding: .85rem 1rem .55rem;
  border-bottom: 1px solid rgba(216, 222, 232, .7);
  flex-shrink: 0;
  background: rgba(255,255,255,.88);
}
.room-header h1 {
  font-family: var(--display);
  margin: 0;
  font-size: 1.12rem;
  font-weight: 750;
  letter-spacing: -.01em;
}
.room-meta {
  margin: .2rem 0 0;
  color: var(--muted);
  font-size: .78rem;
}
.tg-feed {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: .85rem .85rem 1rem;
  background:
    radial-gradient(800px 280px at 50% -20%, rgba(232, 238, 248, .9) 0%, transparent 70%),
    linear-gradient(180deg, #f3f6fb 0%, #eef2f7 100%);
  min-height: 0;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
.tg-day-sep {
  align-self: center;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(216, 222, 232, .85);
  border-radius: 999px;
  padding: .18rem .7rem;
  font-size: .7rem;
  color: var(--muted);
  margin: .15rem 0;
}
.tg-bubble {
  max-width: min(84%, 400px);
  padding: .5rem .65rem .45rem;
  border-radius: 16px 16px 16px 6px;
  background: #fff;
  border: 1px solid rgba(216, 222, 232, .95);
  box-shadow: 0 1px 2px rgba(20, 30, 50, .035);
  animation: tgIn .22s ease-out;
}
.tg-bubble.mine {
  align-self: flex-end;
  background: linear-gradient(180deg, #eef4ff 0%, #e6efff 100%);
  border-color: #c8daf8;
  border-radius: 16px 16px 6px 16px;
}
.tg-bubble.theirs { align-self: flex-start; }
@keyframes tgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.tg-meta {
  display: flex;
  justify-content: space-between;
  gap: .6rem;
  font-size: .7rem;
  color: var(--muted);
  margin-bottom: .28rem;
}
.tg-meta strong { color: var(--ink); font-weight: 700; }
.tg-text { font-size: .9rem; white-space: pre-wrap; word-break: break-word; line-height: 1.4; }
.tg-caption { font-size: .76rem; margin-top: .28rem; word-break: break-word; }
.tg-media-hit {
  display: block;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  width: 100%;
  text-align: left;
  border-radius: 12px;
  overflow: hidden;
}
.tg-bubble img, .tg-bubble video, .tg-media-hit img {
  display: block;
  max-width: 100%;
  width: 100%;
  border-radius: 12px;
  max-height: 300px;
  object-fit: cover;
  background: #d8e0eb;
}
.tg-file-card {
  display: flex;
  gap: .55rem;
  align-items: center;
  padding: .25rem .05rem;
}
.tg-file-ext {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #e8eef8;
  border: 1px solid var(--line);
  font-size: .62rem;
  font-weight: 750;
  color: var(--ink);
}
.tg-file-meta { min-width: 0; display: grid; gap: .08rem; }
.tg-file-meta strong {
  font-size: .84rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tg-actions {
  display: flex;
  gap: .2rem;
  margin-top: .35rem;
  flex-wrap: wrap;
  opacity: .55;
  transition: opacity .15s ease;
}
.tg-bubble:hover .tg-actions,
.tg-bubble:focus-within .tg-actions { opacity: 1; }
.tg-actions .btn {
  text-decoration: none;
  font-size: .72rem;
  padding: .18rem .45rem;
  border-radius: 999px;
}
.tg-reply-quote {
  font-size: .74rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: .4rem;
  margin-bottom: .25rem;
}
.tg-compose {
  flex-shrink: 0;
  border-top: 1px solid rgba(216, 222, 232, .85);
  padding: .65rem .85rem .75rem;
  background: rgba(255,255,255,.94);
}
.tg-compose-row {
  display: flex;
  gap: .4rem;
  align-items: center;
}
.tg-compose-row input {
  flex: 1;
  min-width: 0;
  border-radius: 999px;
  padding: .55rem .85rem;
}
.tg-hint {
  margin: .35rem 0 0;
  font-size: .74rem;
}
.tg-reply-bar {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  align-items: center;
  font-size: .76rem;
  background: #f3f6fa;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .35rem .55rem;
  margin-bottom: .4rem;
}
.lightbox .lb-actions {
  margin-top: .65rem;
  display: flex;
  justify-content: center;
  gap: .4rem;
}
@media (max-width: 640px) {
  .room-shell { width: calc(100% - .75rem); padding-bottom: .55rem; }
  .room-main { border-radius: 14px; }
  .tg-bubble { max-width: 92%; }
  .tg-feed { padding: .7rem .65rem .85rem; }
  .tg-compose { padding: .55rem .65rem .65rem; }
  .tg-compose-row { flex-wrap: wrap; }
  .tg-compose-row input { flex: 1 1 100%; order: -1; }
  .tg-actions { opacity: 1; }
}