:root {
  --bg: #080b12;
  --bg-soft: #0d1220;
  --panel: rgba(18, 24, 39, 0.92);
  --panel-strong: #151d2f;
  --panel-soft: #1b2539;
  --line: rgba(126, 148, 189, 0.16);
  --line-strong: rgba(126, 148, 189, 0.3);
  --text: #eef3ff;
  --muted: #93a1bd;
  --muted-strong: #b9c5dd;
  --accent: #6d8cff;
  --accent-2: #a06bff;
  --accent-soft: rgba(109, 140, 255, 0.14);
  --ok: #35d6a4;
  --ok-soft: rgba(53, 214, 164, 0.13);
  --warn: #f4b85e;
  --danger: #ff647c;
  --danger-soft: rgba(255, 100, 124, 0.14);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, rgba(109, 140, 255, 0.2), transparent 34rem),
    radial-gradient(circle at 90% 0%, rgba(160, 107, 255, 0.16), transparent 30rem),
    radial-gradient(circle at 50% 110%, rgba(53, 214, 164, 0.08), transparent 36rem),
    var(--bg);
  min-height: 100vh;
  line-height: 1.45;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

code {
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  background: rgba(126, 148, 189, 0.12);
  color: #cdd9ff;
  font-size: 0.9em;
}

[hidden] {
  display: none !important;
}

.screen {
  min-height: 100vh;
}

.login-screen {
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.login-card {
  width: min(100%, 470px);
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(21, 29, 47, 0.96), rgba(12, 17, 29, 0.96));
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--muted-strong);
  white-space: nowrap;
}

.brand b {
  color: var(--text);
  font-weight: 700;
}

.brand--large {
  font-size: 1.5rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 8px 22px rgba(109, 140, 255, 0.35);
}

.brand--large .brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-size: 1.45rem;
}

.lead {
  margin: 18px 0 22px;
  color: var(--muted-strong);
  font-size: 0.96rem;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 5px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 11, 18, 0.55);
}

.tab {
  border: 0;
  border-radius: 9px;
  padding: 9px 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
}

.tab.is-active {
  background: var(--accent-soft);
  color: var(--text);
}

.auth-form {
  display: grid;
  gap: 13px;
}

.field {
  display: grid;
  gap: 6px;
  color: var(--muted-strong);
  font-size: 0.86rem;
  font-weight: 600;
}

.field--compact {
  gap: 5px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 11px 13px;
  background: rgba(7, 10, 17, 0.65);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea {
  resize: vertical;
  min-height: 74px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.82rem;
}

input:hover,
textarea:hover {
  border-color: var(--line-strong);
}

input:focus,
textarea:focus {
  border-color: rgba(109, 140, 255, 0.75);
  box-shadow: 0 0 0 3px rgba(109, 140, 255, 0.14);
}

input::placeholder,
textarea::placeholder {
  color: #64718c;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-soft);
  color: var(--text);
  font-weight: 650;
  font-size: 0.9rem;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease;
}

.button:hover:not(:disabled) {
  border-color: var(--line-strong);
  background: #202b43;
}

.button:active:not(:disabled) {
  transform: translateY(1px);
}

.button--primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 26px rgba(109, 140, 255, 0.3);
}

.button--primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #7c99ff, #ad7bff);
}

.button--ghost {
  background: transparent;
  color: var(--muted-strong);
}

.button--ghost:hover:not(:disabled) {
  background: rgba(126, 148, 189, 0.1);
}

.button--danger {
  border-color: transparent;
  background: linear-gradient(135deg, #ff5f79, #e44562);
  color: #fff;
}

.button--icon {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 0.76rem;
  color: var(--muted);
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 14px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.token-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(7, 10, 17, 0.35);
}

.token-box summary {
  cursor: pointer;
  color: var(--muted-strong);
  font-size: 0.88rem;
  font-weight: 600;
}

.token-box .auth-form {
  margin-top: 12px;
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.hint--muted {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.notice {
  margin: 14px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 100, 124, 0.3);
  border-radius: 10px;
  background: var(--danger-soft);
  color: #ffc3cd;
  font-size: 0.84rem;
}

.app-screen {
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 18, 0.82);
  backdrop-filter: blur(18px);
}

.me {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.me__text {
  display: grid;
  line-height: 1.2;
}

.me__text strong {
  font-size: 0.9rem;
}

.me__text span {
  color: var(--muted);
  font-size: 0.76rem;
}

.avatar {
  --avatar: #6d8cff;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 22%, rgba(255, 255, 255, 0.28), transparent 42%),
    var(--avatar);
  color: #fff;
  font-weight: 750;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}

.avatar--sm {
  width: 34px;
  height: 34px;
  font-size: 0.8rem;
}

.avatar--xl {
  width: 82px;
  height: 82px;
  font-size: 1.5rem;
}

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

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-strong);
  font-size: 0.78rem;
  font-weight: 650;
  white-space: nowrap;
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.status-pill--online {
  border-color: rgba(53, 214, 164, 0.35);
  color: #9df0d5;
  background: var(--ok-soft);
}

.status-pill--online::before {
  background: var(--ok);
  box-shadow: 0 0 12px var(--ok);
}

.status-pill--connecting,
.status-pill--reconnecting {
  border-color: rgba(244, 184, 94, 0.35);
  color: #ffd99b;
  background: rgba(244, 184, 94, 0.1);
}

.status-pill--connecting::before,
.status-pill--reconnecting::before {
  background: var(--warn);
  animation: pulse 1.2s infinite;
}

.status-pill--offline {
  border-color: rgba(255, 100, 124, 0.28);
  color: #ffb3bf;
  background: var(--danger-soft);
}

.status-pill--offline::before {
  background: var(--danger);
}

@keyframes pulse {
  50% {
    opacity: 0.35;
  }
}

.layout {
  display: grid;
  grid-template-columns: 370px minmax(0, 1fr);
  gap: 18px;
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 18px 22px 28px;
  flex: 1;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px;
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.panel__head h2 {
  margin: 0;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.results {
  display: grid;
  gap: 7px;
  margin-top: 12px;
  max-height: 330px;
  overflow: auto;
  padding-right: 3px;
}

.user-row {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 9px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: rgba(7, 10, 17, 0.32);
}

.user-row:hover {
  border-color: var(--line);
  background: rgba(7, 10, 17, 0.52);
}

.user-row__meta {
  min-width: 0;
}

.user-row__meta strong,
.user-row__meta span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-row__meta strong {
  font-size: 0.86rem;
}

.user-row__meta span {
  color: var(--muted);
  font-size: 0.74rem;
}

.user-row__presence {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 0.72rem;
  white-space: nowrap;
}

.user-row__presence::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5c6880;
}

.user-row__presence.is-online {
  color: #9df0d5;
}

.user-row__presence.is-online::before {
  background: var(--ok);
  box-shadow: 0 0 9px var(--ok);
}

.user-row__actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.user-row__actions .button {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 0.74rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(244, 184, 94, 0.13);
  color: #ffd99b;
  font-size: 0.68rem;
  font-weight: 650;
}

.by-id {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.row {
  display: flex;
  gap: 8px;
}

.row .button {
  flex: 1;
}

.panel--history {
  min-height: 190px;
  max-height: 420px;
  display: flex;
  flex-direction: column;
}

.history {
  display: grid;
  gap: 7px;
  overflow: auto;
  padding-right: 3px;
}

.history-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  padding: 8px;
  border-radius: 10px;
  background: rgba(7, 10, 17, 0.3);
}

.history-row__icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: #b9c9ff;
  font-size: 0.72rem;
  font-weight: 750;
}

.history-row__meta {
  min-width: 0;
  line-height: 1.25;
}

.history-row__meta strong {
  display: block;
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-row__meta span {
  color: var(--muted);
  font-size: 0.7rem;
}

.history-row__status {
  text-align: right;
  font-size: 0.7rem;
  white-space: nowrap;
}

.status-text--ok {
  color: #9df0d5;
}

.status-text--bad {
  color: #ffb3bf;
}

.status-text--warn {
  color: #ffd99b;
}

.status-text--muted {
  color: var(--muted);
}

.empty {
  margin: 10px 2px;
  color: var(--muted);
  font-size: 0.8rem;
}

.stage {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.stage-empty {
  min-height: 540px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 20%, rgba(109, 140, 255, 0.14), transparent 36%),
    var(--panel);
}

.stage-empty h2 {
  margin: 8px 0 0;
  font-size: 1.35rem;
}

.stage-empty p {
  max-width: 480px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.stage-orb {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 30%, rgba(255, 255, 255, 0.4), transparent 35%),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:
    0 0 0 14px rgba(109, 140, 255, 0.08),
    0 0 0 30px rgba(109, 140, 255, 0.04),
    0 22px 60px rgba(109, 140, 255, 0.25);
}

.quick-preview {
  width: min(100%, 480px);
  margin-top: 14px;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.quick-preview video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #000;
  transform: scaleX(-1);
}

.call-stage {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  min-height: 540px;
}

.call-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 4px;
}

.call-peer {
  font-size: 1.12rem;
  font-weight: 750;
}

.call-status {
  color: var(--muted);
  font-size: 0.82rem;
}

.call-timer {
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 10, 17, 0.42);
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--muted-strong);
}

.video-grid {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 12px;
  min-height: 0;
}

.video-tile {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #05070c;
  aspect-ratio: 16 / 10;
}

.video-tile video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.video-tile--local video {
  transform: scaleX(-1);
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background:
    radial-gradient(circle at 50% 35%, rgba(109, 140, 255, 0.2), transparent 48%),
    linear-gradient(160deg, #0b101b, #070a12);
  color: var(--muted);
  font-size: 0.78rem;
}

.video-placeholder[hidden] {
  display: none !important;
}

.video-label {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(3, 5, 9, 0.62);
  color: #dce5fa;
  font-size: 0.72rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.video-grid.audio-only {
  grid-template-columns: 1fr;
}

.video-grid.audio-only .video-tile--local {
  display: none;
}

.video-grid.audio-only .video-tile--remote {
  aspect-ratio: 16 / 8;
}

.call-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 2px;
}

.stats {
  color: var(--muted);
  font-size: 0.74rem;
  font-variant-numeric: tabular-nums;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.control[data-on="false"] {
  border-color: rgba(255, 100, 124, 0.35);
  background: var(--danger-soft);
  color: #ffc3cd;
}

.control--danger {
  border-color: transparent;
  background: linear-gradient(135deg, #ff5f79, #e44562);
  color: #fff;
}

.diag {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px;
}

.diag-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 7px;
  margin-bottom: 12px;
}

.diag-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 9px;
  border-radius: 8px;
  background: rgba(7, 10, 17, 0.4);
  font-size: 0.74rem;
}

.diag-item span:first-child {
  color: var(--muted);
}

.diag-item span:last-child {
  color: var(--muted-strong);
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-log {
  max-height: 230px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(4, 6, 11, 0.65);
  color: #aab8d6;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.72rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(3, 5, 10, 0.72);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  width: min(100%, 380px);
  padding: 30px 26px 24px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: linear-gradient(180deg, #1a2338, #101625);
  box-shadow: var(--shadow);
  text-align: center;
  overflow: hidden;
}

.modal-card h2 {
  margin: 16px 0 4px;
  font-size: 1.25rem;
}

.modal-card .muted {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.85rem;
}

.ring {
  position: absolute;
  top: -110px;
  left: 50%;
  width: 260px;
  height: 260px;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 2px solid rgba(109, 140, 255, 0.45);
  animation: ring 1.8s ease-out infinite;
}

@keyframes ring {
  0% {
    transform: translateX(-50%) scale(0.55);
    opacity: 0.9;
  }
  100% {
    transform: translateX(-50%) scale(1.35);
    opacity: 0;
  }
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 80;
  transform: translateX(-50%);
  max-width: min(92vw, 520px);
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(21, 29, 47, 0.98);
  color: var(--text);
  box-shadow: var(--shadow);
  font-size: 0.86rem;
}

.toast--error {
  border-color: rgba(255, 100, 124, 0.4);
  background: rgba(70, 20, 32, 0.98);
}

.toast--ok {
  border-color: rgba(53, 214, 164, 0.4);
  background: rgba(14, 52, 43, 0.98);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(126, 148, 189, 0.24);
}

::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 320px minmax(0, 1fr);
    padding: 14px;
    gap: 14px;
  }

  .video-grid {
    grid-template-columns: 1.35fr 1fr;
  }
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

  .stage {
    order: 1;
  }

  .stage-empty,
  .call-stage {
    min-height: 430px;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 14px;
  }

  .me {
    order: 3;
    margin-left: 0;
    flex: 1;
  }

  .topbar__right {
    margin-left: auto;
  }
}

@media (max-width: 560px) {
  .login-card {
    padding: 22px 18px;
    border-radius: 20px;
  }

  .video-grid,
  .video-grid.audio-only {
    grid-template-columns: 1fr;
  }

  .video-grid.audio-only .video-tile--remote {
    aspect-ratio: 4 / 3;
  }

  .call-stage {
    padding: 12px;
  }

  .controls {
    width: 100%;
  }

  .control {
    flex: 1;
  }

  .topbar__right .button {
    display: none;
  }
}

.user-row__pick {
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-row__pick input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.panel--conference .muted {
  color: var(--muted);
  font-size: 0.74rem;
}

.conference-form {
  display: grid;
  gap: 8px;
}

.conference-form .row {
  display: flex;
  gap: 8px;
}

.conference-join {
  margin-top: 2px;
}

.conference-join input {
  min-width: 0;
}

.conference-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-content: start;
  gap: 12px;
  min-height: 0;
  overflow: auto;
}

.conf-tile {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #05070c;
  aspect-ratio: 16 / 10;
  min-height: 140px;
}

.conf-tile video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.conf-tile--self video {
  transform: scaleX(-1);
}

.conf-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background:
    radial-gradient(circle at 50% 35%, rgba(109, 140, 255, 0.2), transparent 48%),
    linear-gradient(160deg, #0b101b, #070a12);
  color: var(--muted);
  font-size: 0.75rem;
}

.conf-placeholder[hidden] {
  display: none !important;
}

.conf-label {
  position: absolute;
  left: 8px;
  bottom: 8px;
  max-width: calc(100% - 16px);
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(3, 5, 9, 0.62);
  color: #dce5fa;
  font-size: 0.7rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.conference-grid.audio-only {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.conference-grid.audio-only .conf-tile {
  aspect-ratio: 1;
}

.conference-grid.audio-only .conf-tile video {
  display: none;
}