:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-deep: #030914;
  --surface: rgba(15, 29, 48, 0.78);
  --surface-strong: #102039;
  --surface-soft: rgba(255, 255, 255, 0.055);
  --line: rgba(168, 192, 224, 0.16);
  --line-strong: rgba(168, 192, 224, 0.28);
  --text: #f5f8ff;
  --muted: #9db0c9;
  --primary: #7c6cff;
  --primary-hover: #9185ff;
  --cyan: #3ad7d2;
  --green: #3bd891;
  --amber: #f5bb58;
  --red: #ff6f7e;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 11px;
  --content: 1240px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--bg-deep);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 5%, rgba(63, 74, 172, 0.28), transparent
    32rem),
    radial-gradient(circle at 88% 23%, rgba(25, 168, 172, 0.18), transparent
    30rem),
    linear-gradient(155deg, var(--bg-deep), var(--bg) 42%, #09172a);
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

button,
input,
textarea {
  font: inherit;
}

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

button {
  color: inherit;
}

a {
  color: inherit;
}

img,
video {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 9px 13px;
  border-radius: 9px;
  color: #07111f;
  background: white;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  min-height: 100vh;
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 40px), var(--content));
  min-height: 76px;
  margin: 0 auto;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 1.06rem;
  font-weight: 720;
  letter-spacing: 0.015em;
}

.brand-mark {
  display: grid;
  width: 37px;
  height: 37px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: linear-gradient(145deg, #8d7cff, #4e5ee9 55%, #27b6be);
  box-shadow: 0 10px 28px rgba(86, 88, 225, 0.35);
}

.brand-mark svg {
  width: 21px;
}

.header-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 10px;
}

.room-pill,
.status-pill,
.live-pill {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(7, 17, 31, 0.72);
  font-size: 0.78rem;
  white-space: nowrap;
}

.room-pill strong {
  max-width: 160px;
  overflow: hidden;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-overflow: ellipsis;
}

.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 4px rgba(157, 176, 201, 0.1);
}

.status-pill[data-status="connected"] .status-dot,
.status-pill[data-status="live"] .status-dot {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(59, 216, 145, 0.12);
}

.status-pill[data-status="connecting"] .status-dot {
  background: var(--amber);
  animation: pulse 1.45s infinite;
}

.status-pill[data-status="error"] .status-dot,
.status-pill[data-status="offline"] .status-dot {
  background: var(--red);
}

.home-main {
  display: grid;
  width: min(calc(100% - 40px), 1120px);
  min-height: calc(100vh - 118px);
  margin: 18px auto 0;
  padding: 58px 0 100px;
  place-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  width: 100%;
  align-items: center;
  gap: clamp(42px, 7vw, 94px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 19px;
  color: #bcb4ff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 27px;
  height: 1px;
  content: "";
  background: currentColor;
}

.hero-copy h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.35rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.gradient-text {
  color: transparent;
  background: linear-gradient(100deg, #a89cff 4%, #69e1da 82%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 590px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.feature-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 30px;
  gap: 10px;
}

.feature-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #cad7e8;
  font-size: 0.82rem;
}

.feature-chip + .feature-chip::before {
  width: 3px;
  height: 3px;
  margin: 0 5px 0 1px;
  border-radius: 50%;
  content: "";
  background: #55708f;
}

.home-actions {
  position: relative;
  padding: clamp(24px, 4vw, 34px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(18, 36, 61, 0.9), rgba(10, 24, 42,
    0.86));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.home-actions::before {
  position: absolute;
  top: -100px;
  right: -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  content: "";
  background: rgba(93, 94, 231, 0.16);
  filter: blur(15px);
}

.action-heading {
  position: relative;
  margin-bottom: 22px;
}

.action-heading h2 {
  margin: 0 0 5px;
  font-size: 1.38rem;
  letter-spacing: -0.025em;
}

.action-heading p,
.helper-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.btn {
  display: inline-flex;
  min-height: 45px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 670;
  text-decoration: none;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.btn svg,
.icon-btn svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.btn-primary {
  color: white;
  background: linear-gradient(110deg, #7161ef, #6454e2);
  box-shadow: 0 12px 30px rgba(90, 76, 219, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(110deg, #8274f7, #7061ea);
  box-shadow: 0 14px 34px rgba(90, 76, 219, 0.4);
}

.btn-danger {
  color: #fff;
  background: rgba(230, 74, 92, 0.92);
}

.btn-close-room {
  border-color: rgba(255, 111, 126, 0.34);
  color: #ffabb4;
  background: rgba(172, 39, 57, 0.12);
}

.btn-close-room:hover:not(:disabled) {
  border-color: rgba(255, 111, 126, 0.56);
  color: #ffd7dc;
  background: rgba(172, 39, 57, 0.22);
}

.btn-secondary {
  border-color: var(--line);
  color: #dfe8f5;
  background: var(--surface-soft);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.085);
}

.btn-wide {
  width: 100%;
}

.divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
  gap: 12px;
  color: #6f849f;
  font-size: 0.76rem;
}

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

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.field-label {
  color: #dce7f5;
  font-size: 0.83rem;
  font-weight: 650;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap > svg {
  position: absolute;
  left: 14px;
  width: 18px;
  color: #7087a4;
  pointer-events: none;
}

.input,
.textarea,
.select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  color: var(--text);
  background: rgba(3, 11, 23, 0.52);
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease,
    background 150ms ease;
}

.input {
  height: 48px;
  padding: 10px 13px;
}

.input-wrap .input {
  padding-left: 43px;
}

.input::placeholder,
.textarea::placeholder {
  color: #6e829c;
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: rgba(124, 108, 255, 0.7);
  background: rgba(3, 11, 23, 0.72);
  box-shadow: 0 0 0 4px rgba(124, 108, 255, 0.12);
}

.input[aria-invalid="true"] {
  border-color: rgba(255, 111, 126, 0.8);
}

.select {
  min-width: 0;
  height: 38px;
  padding: 7px 30px 7px 10px;
  color: #e3eaf5;
  background-color: rgba(3, 11, 23, 0.62);
  cursor: pointer;
}

.field-error {
  min-height: 18px;
  margin: -4px 0 0;
  color: #ff9daa;
  font-size: 0.77rem;
}

.security-note {
  display: flex;
  align-items: flex-start;
  margin-top: 21px;
  gap: 8px;
  color: #8195ae;
  font-size: 0.75rem;
}

.security-note svg {
  width: 15px;
  margin-top: 1px;
  flex: 0 0 auto;
}

.workspace-main {
  width: min(calc(100% - 40px), var(--content));
  margin: 14px auto 0;
  padding-bottom: 38px;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 346px;
  grid-template-rows: minmax(0, auto) minmax(310px, 0.75fr);
  min-height: calc(100vh - 118px);
  gap: 16px;
}

.panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 15px 42px rgba(0, 0, 0, 0.19);
  backdrop-filter: blur(16px);
}

.stage-panel {
  display: flex;
  min-height: 420px;
  flex-direction: column;
  grid-column: 1;
  grid-row: 1 / span 2;
}

.stage-header,
.panel-header {
  display: flex;
  min-height: 61px;
  align-items: center;
  justify-content: space-between;
  padding: 13px 17px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}

.stage-header h1,
.panel-header h2 {
  margin: 0;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
}

.panel-header p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.stage-wrap {
  position: relative;
  display: grid;
  min-height: 360px;
  flex: 1;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(75, 91, 145, 0.19), transparent 46%),
    #030916;
  place-items: center;
}

.stage-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #02050b;
}

.stage-video[hidden] {
  display: none;
}

.stage-empty {
  z-index: 1;
  display: flex;
  max-width: 420px;
  flex-direction: column;
  align-items: center;
  padding: 32px;
  color: var(--muted);
  text-align: center;
}

.stage-empty[hidden] {
  display: none;
}

.stage-empty-icon {
  display: grid;
  width: 68px;
  height: 68px;
  margin-bottom: 17px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 22px;
  color: #9f95ff;
  background: rgba(124, 108, 255, 0.09);
}

.stage-empty-icon svg {
  width: 31px;
}

.stage-empty h2 {
  margin: 0 0 8px;
  color: #e9eff8;
  font-size: 1.08rem;
}

.stage-empty p {
  margin: 0;
  font-size: 0.86rem;
}

.stage-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border-radius: 8px;
  color: white;
  background: rgba(224, 52, 72, 0.92);
  box-shadow: 0 8px 24px rgba(166, 24, 42, 0.28);
  font-size: 0.71rem;
  font-weight: 760;
  letter-spacing: 0.07em;
}

.stage-badge[hidden] {
  display: none;
}

.stage-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px 15px;
  border-top: 1px solid var(--line);
  gap: 12px;
}

.quality-controls {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) repeat(3, minmax(120px, 0.8fr));
  align-items: end;
  padding: 12px 15px;
  border-top: 1px solid var(--line);
  background: rgba(3, 10, 21, 0.23);
  gap: 10px;
}

.quality-heading {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.quality-heading strong {
  font-size: 0.82rem;
}

.quality-heading span {
  color: var(--muted);
  font-size: 0.67rem;
}

.quality-controls label {
  display: flex;
  min-width: 0;
  flex-direction: column;
  color: var(--muted);
  font-size: 0.68rem;
  gap: 4px;
}

.quality-controls .select {
  width: 100%;
  font-size: 0.75rem;
}

.toolbar-actions,
.toolbar-meta {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
}

.toolbar-meta {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
}

.toolbar-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-panel {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  grid-column: 2;
  grid-row: 1;
}

.members-list {
  display: flex;
  max-height: 240px;
  flex: 1;
  flex-direction: column;
  padding: 8px;
  overflow: auto;
  gap: 3px;
}

.member-row {
  display: flex;
  align-items: center;
  padding: 8px;
  border-radius: 10px;
  gap: 10px;
}

.member-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.member-copy {
  min-width: 0;
  flex: 1;
}

.member-name {
  display: block;
  overflow: hidden;
  color: #e7eef8;
  font-size: 0.83rem;
  font-weight: 630;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member-status {
  display: flex;
  align-items: center;
  margin-top: 1px;
  gap: 5px;
  color: var(--muted);
  font-size: 0.68rem;
}

.member-status::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  content: "";
  background: var(--green);
}

.avatar {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  overflow: hidden;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  color: #f3f5ff;
  background: linear-gradient(145deg, #3b4d79, #6575a5);
  font-size: 0.76rem;
  font-weight: 750;
  text-transform: uppercase;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-lg {
  width: 58px;
  height: 58px;
  font-size: 1rem;
}

.empty-list {
  display: grid;
  min-height: 110px;
  padding: 20px;
  color: var(--muted);
  font-size: 0.79rem;
  text-align: center;
  place-items: center;
}

.share-link-box {
  padding: 12px;
  border-top: 1px solid var(--line);
}

.share-link-box .btn {
  min-height: 40px;
  font-size: 0.79rem;
}

.profile-panel {
  grid-column: 2;
  grid-row: 1;
}

.profile-form {
  display: flex;
  flex-direction: column;
  padding: 15px;
  gap: 13px;
}

.avatar-editor {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-actions {
  min-width: 0;
}

.avatar-actions .btn {
  min-height: 36px;
  padding: 6px 11px;
  font-size: 0.76rem;
}

.avatar-actions p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.68rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.profile-form .input {
  height: 42px;
  font-size: 0.84rem;
}

.profile-form .btn {
  min-height: 40px;
  font-size: 0.8rem;
}

.chat-panel {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  grid-column: 2;
  grid-row: 2;
}

.chat-list {
  display: flex;
  min-height: 160px;
  flex: 1;
  flex-direction: column;
  padding: 12px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  gap: 13px;
}

.chat-empty {
  display: grid;
  min-height: 130px;
  flex: 1;
  align-content: center;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

.message {
  display: grid;
  grid-template-columns: 29px minmax(0, 1fr);
  align-items: start;
  gap: 8px;
}

.message .avatar {
  width: 29px;
  height: 29px;
  font-size: 0.62rem;
}

.message-head {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.message-name {
  max-width: 145px;
  overflow: hidden;
  color: #dfe8f4;
  font-size: 0.75rem;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-time {
  color: #647b98;
  font-size: 0.62rem;
}

.message-content {
  margin-top: 3px;
  color: #c6d3e4;
  font-size: 0.79rem;
  line-height: 1.47;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.message-image {
  display: block;
  width: auto;
  max-width: min(100%, 240px);
  max-height: 190px;
  margin-top: 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: zoom-in;
  object-fit: contain;
  background: #040a13;
}

.chat-form {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: end;
  padding: 10px;
  border-top: 1px solid var(--line);
  gap: 7px;
}

.chat-form .textarea {
  min-height: 40px;
  max-height: 108px;
  padding: 9px 11px;
  resize: none;
  font-size: 0.79rem;
  line-height: 1.35;
}

.icon-btn {
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  color: #aebdd1;
  background: var(--surface-soft);
}

.icon-btn:hover:not(:disabled) {
  border-color: var(--line-strong);
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.icon-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.send-btn {
  border-color: transparent;
  color: white;
  background: var(--primary);
}

.send-btn:hover:not(:disabled) {
  background: var(--primary-hover);
}

.char-count {
  position: absolute;
  right: 12px;
  bottom: 65px;
  color: #7185a0;
  font-size: 0.62rem;
  pointer-events: none;
}

.chat-panel {
  position: relative;
}

.watch-play {
  position: absolute;
  z-index: 4;
  display: none;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  padding: 10px 17px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  cursor: pointer;
  color: white;
  background: rgba(7, 17, 31, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.watch-play[data-visible="true"] {
  display: inline-flex;
}

.watch-play svg {
  width: 18px;
}

.notice-bar {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.13);
  font-size: 0.72rem;
  gap: 7px;
}

.notice-bar svg {
  width: 15px;
  flex: 0 0 auto;
}

.toast-region {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: flex;
  width: min(calc(100% - 36px), 350px);
  flex-direction: column;
  gap: 9px;
}

.confirm-dialog {
  width: min(calc(100% - 32px), 430px);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  color: var(--text);
  background: #102039;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.62);
}

.confirm-dialog::backdrop {
  background: rgba(1, 6, 14, 0.74);
  backdrop-filter: blur(5px);
}

.confirm-dialog form {
  padding: 25px;
}

.confirm-dialog h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.confirm-dialog p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 23px;
  gap: 9px;
}

.toast {
  display: flex;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: #e7eef8;
  background: rgba(11, 24, 42, 0.96);
  box-shadow: 0 15px 42px rgba(0, 0, 0, 0.34);
  animation: toast-in 180ms ease-out;
  font-size: 0.8rem;
  backdrop-filter: blur(15px);
  gap: 9px;
}

.toast::before {
  width: 8px;
  height: 8px;
  margin-top: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
}

.toast[data-tone="error"]::before {
  background: var(--red);
}

.toast[data-tone="warning"]::before {
  background: var(--amber);
}

.loading-spinner {
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.error-page {
  display: grid;
  min-height: calc(100vh - 80px);
  padding: 30px;
  text-align: center;
  place-items: center;
}

.error-card {
  max-width: 480px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.error-card h1 {
  margin: 0 0 9px;
}

.error-card p {
  margin: 0 0 22px;
  color: var(--muted);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.noscript {
  max-width: 580px;
  margin: 80px auto;
  padding: 24px;
  color: white;
  text-align: center;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid rgba(104, 220, 217, 0.7);
  outline-offset: 3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  50% {
    opacity: 0.42;
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    max-width: 720px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy > p:not(.eyebrow) {
    margin-right: auto;
    margin-left: auto;
  }

  .eyebrow,
  .feature-row {
    justify-content: center;
  }

  .workspace-grid {
    grid-template-columns: minmax(0, 1fr) 310px;
  }

  .quality-controls {
    grid-template-columns: repeat(3, 1fr);
  }

  .quality-heading {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .site-header,
  .workspace-main,
  .home-main {
    width: min(calc(100% - 24px), var(--content));
  }

  .site-header {
    min-height: 66px;
  }

  .brand-name {
    display: none;
  }

  .header-meta .room-pill span,
  .header-meta .status-pill span {
    display: none;
  }

  .room-pill strong {
    max-width: 100px;
  }

  .home-main {
    margin-top: 0;
    padding: 35px 0 70px;
  }

  .hero-copy h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .workspace-grid {
    display: flex;
    min-height: auto;
    flex-direction: column;
  }

  .stage-panel,
  .side-panel,
  .profile-panel,
  .chat-panel {
    width: 100%;
  }

  .stage-panel {
    min-height: min(66vh, 560px);
  }

  .stage-wrap {
    min-height: 280px;
  }

  .side-panel,
  .profile-panel {
    min-height: auto;
  }

  .members-list {
    max-height: 260px;
  }

  .chat-panel {
    min-height: 430px;
  }

  .stage-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .quality-controls {
    overflow-x: auto;
  }

  .toolbar-actions .btn {
    flex: 1;
  }

  .toolbar-meta {
    justify-content: center;
  }
}

@media (max-width: 460px) {
  .site-header {
    gap: 8px;
  }

  .header-meta {
    gap: 6px;
  }

  .room-pill,
  .status-pill {
    padding: 7px 9px;
  }

  .home-actions {
    padding: 22px 18px;
  }

  .feature-row {
    display: none;
  }

  .stage-header,
  .panel-header {
    padding-right: 13px;
    padding-left: 13px;
  }

  .toolbar-actions {
    width: 100%;
  }

  .toolbar-actions .btn {
    padding-right: 10px;
    padding-left: 10px;
    font-size: 0.78rem;
  }

  .quality-controls {
    grid-template-columns: repeat(3, minmax(112px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}