/* ═══════════════════════════════════════════════════════════
   MURATTI SESSIONS — Design System
   Direction: Cinematic Producer Workspace
   v7 — Full rebuild
═══════════════════════════════════════════════════════════ */

/* ─── Tokens ───────────────────────────────────────────── */
/* Aligned with workspace-reference-theme.css palette      */
:root {
  /* Base surfaces — workspace navy palette */
  --ms-bg:        #070b11;
  --ms-s0:        #0b1219;
  --ms-s1:        #101822;
  --ms-s2:        #15202e;
  --ms-s3:        #1c2b3a;

  /* Border — matches workspace */
  --ms-border:    rgba(255, 255, 255, 0.08);
  --ms-border-s:  rgba(255, 255, 255, 0.04);

  /* Text — workspace cool-white */
  --ms-t1:        #eef6ff;
  --ms-t2:        rgba(214, 225, 237, 0.72);
  --ms-t3:        rgba(149, 163, 184, 0.48);

  /* Gold accent — Muratti Sessions identity */
  --ms-gold:      #d4a843;
  --ms-gold-dim:  rgba(212, 168, 67, 0.14);
  --ms-gold-bd:   rgba(212, 168, 67, 0.28);

  /* Cyan accent — workspace brand */
  --ms-cyan:      #82ecff;
  --ms-cyan-dim:  rgba(130, 236, 255, 0.12);
  --ms-cyan-bd:   rgba(130, 236, 255, 0.22);

  /* State: Live */
  --ms-live:      #e84f36;
  --ms-live-dim:  rgba(232, 79, 54, 0.12);

  /* State: Online */
  --ms-online:    #4caf7d;

  /* State: Idle */
  --ms-idle:      rgba(149, 163, 184, 0.32);

  /* Radius */
  --ms-r1: 4px;
  --ms-r2: 8px;
  --ms-r3: 12px;
  --ms-r4: 18px;
  --ms-r5: 24px;

  /* Motion */
  --ms-ease:  cubic-bezier(0.16, 1, 0.3, 1);
  --ms-ease2: cubic-bezier(0.4, 0, 0.2, 1);
  --ms-ts:    160ms;
  --ms-tm:    240ms;
  --ms-tl:    360ms;

  /* Layout */
  --ms-topbar-h:    48px;
  --ms-actionbar-h: 64px;
  --ms-left-w:      272px;
  --ms-right-w:     300px;
}

/* ─── Light theme overrides ─────────────────────────────── */
html[data-theme="light"] {
  --ms-bg:        #eef5f8;
  --ms-s0:        #f7fbfd;
  --ms-s1:        #ffffff;
  --ms-s2:        #e8f0f4;
  --ms-s3:        #dde8ee;
  --ms-border:    rgba(149, 163, 184, 0.18);
  --ms-border-s:  rgba(149, 163, 184, 0.10);
  --ms-t1:        #132033;
  --ms-t2:        rgba(58, 74, 96, 0.78);
  --ms-t3:        rgba(80, 96, 120, 0.52);
  --ms-gold-dim:  rgba(212, 168, 67, 0.10);
  --ms-gold-bd:   rgba(212, 168, 67, 0.30);
  --ms-cyan:      #0ea5e9;
  --ms-cyan-dim:  rgba(14, 165, 233, 0.10);
  --ms-cyan-bd:   rgba(14, 165, 233, 0.22);
  --ms-idle:      rgba(80, 96, 120, 0.22);
}

/* ─── Reset / Base ─────────────────────────────────────── */
.ms-body {
  overflow: hidden;
  background: var(--ms-bg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  color: var(--ms-t1);
}

.ms-shell {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 16% 10%, rgba(130, 236, 255, 0.07), transparent 22%),
    radial-gradient(circle at 84% 20%, rgba(90, 160, 255, 0.06), transparent 22%),
    linear-gradient(180deg, var(--ms-bg) 0%, var(--ms-s0) 60%, var(--ms-s1) 100%);
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════
   PREFLIGHT SCREEN
═══════════════════════════════════════════════════════════ */

.ms-preflight {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--ms-bg);
}

/* — Preflight nav — */
.ms-preflight-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 24px;
  border-bottom: 1px solid var(--ms-border);
  flex-shrink: 0;
}

.ms-preflight-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ms-t2);
  text-decoration: none;
  transition: color var(--ms-ts) var(--ms-ease);
}

.ms-preflight-back:hover { color: var(--ms-t1); }

.ms-preflight-nav-center { flex: 1; text-align: center; }

.ms-wordmark {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ms-t2);
  text-transform: uppercase;
}

.ms-preflight-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* — Preflight body — */
.ms-preflight-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 0;
  overflow: hidden;
}

/* — Preview side — */
.ms-preflight-preview-wrap {
  display: flex;
  flex-direction: column;
  padding: 32px;
  gap: 20px;
  border-right: 1px solid var(--ms-border);
  overflow: auto;
}

.ms-preflight-preview-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--ms-r4);
  overflow: hidden;
  background: #0a0a0a;
  border: 1px solid var(--ms-border);
  flex-shrink: 0;
}

.ms-preflight-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.ms-preflight-preview-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--ms-t3);
}

.ms-preflight-empty-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ms-r3);
  background: var(--ms-s1);
  border: 1px solid var(--ms-border);
}

.ms-preflight-preview-empty p {
  font-size: 12px;
  color: var(--ms-t3);
  margin: 0;
}

.ms-preflight-preview-controls {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}

.ms-preview-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--ms-border);
  background: rgba(14, 14, 14, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 11px;
  font-weight: 500;
  color: var(--ms-t2);
  cursor: pointer;
  transition: color var(--ms-ts) var(--ms-ease), border-color var(--ms-ts) var(--ms-ease), background var(--ms-ts) var(--ms-ease);
}

.ms-preview-pill.is-active {
  color: var(--ms-t1);
  border-color: var(--ms-gold-bd);
  background: var(--ms-gold-dim);
}

.ms-preflight-device-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ms-preflight-device-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* — Setup side — */
.ms-preflight-setup {
  display: flex;
  flex-direction: column;
  padding: 40px 32px 32px;
  gap: 28px;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;  /* allow flex child to shrink & scroll */
}

.ms-setup-room { }

.ms-setup-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ms-t1);
  margin: 6px 0 8px;
  line-height: 1.1;
}

.ms-setup-desc {
  font-size: 13px;
  color: var(--ms-t2);
  line-height: 1.55;
  margin: 0;
}

/* ─── Room Card (Host / Join) ──────────────────────────── */

.ms-room-card {
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r3);
  background: var(--ms-s0);
  overflow: hidden;
  transition: border-color 0.25s var(--ms-ease);
}

/* Connecting state */
.ms-room-card-connecting {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  font-size: 12px;
  color: var(--ms-t3);
}

.ms-room-card-connecting-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ms-t3);
  flex-shrink: 0;
  animation: ms-blink 1.2s infinite;
}

@keyframes ms-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

/* Live state */
.ms-room-card--live {
  border-color: var(--ms-live);
}

.ms-room-live-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: var(--ms-live-dim);
  border-bottom: 1px solid rgba(232, 79, 54, 0.18);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ms-live);
  text-transform: uppercase;
}

.ms-room-live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ms-live);
  flex-shrink: 0;
  animation: ms-pulse 1.5s ease-in-out infinite;
}

@keyframes ms-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.75); }
}

.ms-room-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ms-room-participant {
  display: flex;
  align-items: center;
  gap: 11px;
}

.ms-room-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ms-gold-dim);
  border: 1px solid var(--ms-gold-bd);
  color: var(--ms-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: -0.01em;
}

.ms-room-participant-info strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ms-t1);
  margin-bottom: 2px;
}

.ms-room-participant-info span {
  font-size: 11px;
  color: var(--ms-t3);
}

.ms-room-features {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.ms-room-feature-pill {
  font-size: 10px;
  color: var(--ms-t3);
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  border-radius: 20px;
  padding: 2px 8px;
  line-height: 1.6;
}

/* Empty state */
.ms-room-card--empty .ms-room-body {
  align-items: center;
  text-align: center;
  padding: 20px 16px 16px;
}

.ms-room-empty-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ms-t3);
  margin-bottom: 4px;
}

.ms-room-empty-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ms-t2);
  margin: 0 0 4px;
}

.ms-room-empty-desc {
  font-size: 12px;
  color: var(--ms-t3);
  margin: 0;
  line-height: 1.55;
}

/* Link / copy row */
.ms-room-link-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--ms-s1);
  border-top: 1px solid var(--ms-border);
}

.ms-room-link-text {
  flex: 1;
  font-size: 11px;
  color: var(--ms-t3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
}

.ms-room-copy-btn {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  color: var(--ms-t2);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1.4;
}

.ms-room-copy-btn:hover {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
  color: var(--ms-gold);
}

.ms-room-copy-btn.is-copied {
  color: #4caf7d;
  border-color: rgba(76, 175, 125, 0.3);
  background: rgba(76, 175, 125, 0.1);
}

/* ─── (legacy — kept for compatibility) ───────────────── */
.ms-setup-modes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r3);
  background: var(--ms-s0);
}

.ms-mode-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.ms-mode-item input[type="checkbox"] { display: none; }

.ms-mode-check {
  width: 16px;
  height: 16px;
  border-radius: var(--ms-r1);
  border: 1px solid var(--ms-border);
  background: var(--ms-s1);
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--ms-ts) var(--ms-ease), background var(--ms-ts) var(--ms-ease);
}

.ms-mode-item input:checked ~ .ms-mode-check {
  border-color: var(--ms-gold-bd);
  background: var(--ms-gold-dim);
}

.ms-mode-item input:checked ~ .ms-mode-check::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 5px;
  width: 4px;
  height: 8px;
  border: 1.5px solid var(--ms-gold);
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
}

.ms-mode-label {
  font-size: 13px;
  color: var(--ms-t2);
}

.ms-setup-quality { }

.ms-advanced-details {
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r3);
  background: var(--ms-s0);
  /* Remove overflow:hidden so expanded content is fully visible */
}

.ms-advanced-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t2);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--ms-ts);
}

.ms-advanced-summary::after {
  content: "›";
  font-size: 14px;
  color: var(--ms-t3);
  transition: transform var(--ms-ts) var(--ms-ease);
  display: inline-block;
  transform: rotate(90deg);
}

.ms-advanced-details[open] > .ms-advanced-summary::after {
  transform: rotate(-90deg);
}

.ms-advanced-summary:hover { color: var(--ms-t1); }
.ms-advanced-summary::-webkit-details-marker { display: none; }

.ms-advanced-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--ms-border);
}

.ms-settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}

.ms-settings-section { display: flex; flex-direction: column; gap: 10px; }

.ms-settings-section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ms-t3);
}

.ms-setup-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.ms-preflight-auth-slot {
  padding-top: 8px;
  border-top: 1px solid var(--ms-border);
}

.ms-preflight-auth-slot .cloud-auth-slot {
  min-height: auto;
  padding: 8px;
  gap: 8px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   SESSION SCREEN
═══════════════════════════════════════════════════════════ */

.ms-session {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.ms-session[hidden] { display: none; }

/* ─── Top Bar ───────────────────────────────────────────── */
.ms-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--ms-topbar-h);
  padding: 0 16px;
  border-bottom: 1px solid var(--ms-border);
  flex-shrink: 0;
  background: linear-gradient(180deg, rgba(18, 22, 31, 0.96), rgba(11, 18, 25, 0.90));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 20;
}

.ms-topbar-left,
.ms-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.ms-topbar-right { justify-content: flex-end; }

.ms-topbar-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--ms-r2);
  color: var(--ms-t3);
  text-decoration: none;
  transition: color var(--ms-ts), background var(--ms-ts);
}

.ms-topbar-back:hover {
  color: var(--ms-t1);
  background: var(--ms-s2);
}

.ms-topbar-divider {
  width: 1px;
  height: 18px;
  background: var(--ms-border);
}

.ms-topbar-room { display: flex; flex-direction: column; }

.ms-topbar-room-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ms-t3);
  line-height: 1;
}

.ms-topbar-room-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t2);
  font-family: "JetBrains Mono", monospace;
  line-height: 1.4;
}

.ms-topbar-center {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Status chip */
.ms-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--ms-border);
  background: var(--ms-s1);
  font-size: 11px;
  font-weight: 500;
  color: var(--ms-t2);
  transition: border-color var(--ms-tm), background var(--ms-tm), color var(--ms-tm);
}

.ms-status-chip[data-status="live"] {
  border-color: rgba(232, 79, 54, 0.3);
  background: var(--ms-live-dim);
  color: #f08070;
}

.ms-status-chip[data-status="connected"] {
  border-color: var(--ms-gold-bd);
  background: var(--ms-gold-dim);
  color: var(--ms-gold);
}

.ms-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ms-idle);
  flex-shrink: 0;
  transition: background var(--ms-tm);
}

.ms-status-chip[data-status="live"] .ms-status-dot {
  background: var(--ms-live);
  box-shadow: 0 0 6px var(--ms-live);
  animation: msPulse 2s ease-in-out infinite;
}

.ms-status-chip[data-status="connected"] .ms-status-dot {
  background: var(--ms-gold);
}

@keyframes msPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.3); }
}

.ms-session-timer {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--ms-t3);
}

/* Topbar right */
.ms-topbar-presence {
  display: flex;
  align-items: center;
}

.ms-topbar-count {
  font-size: 11px;
  color: var(--ms-t3);
}

.ms-topbar-runtime {
  display: flex;
  gap: 6px;
}

.ms-runtime-badge {
  font-size: 10px;
  font-weight: 500;
  height: 20px;
  padding: 0 7px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  color: var(--ms-t2);
  display: inline-flex;
  align-items: center;
}

.ms-runtime-badge--muted { color: var(--ms-t3); }

/* ─── Workspace Body ────────────────────────────────────── */
.ms-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ─── Left Panel ────────────────────────────────────────── */
.ms-left-panel {
  width: var(--ms-left-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--ms-border);
  overflow: hidden;
  background: var(--ms-s0);
}

.ms-panel-section {
  padding: 14px;
  border-bottom: 1px solid var(--ms-border-s);
}

.ms-panel-section:last-child { border-bottom: 0; }

.ms-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ms-panel-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ms-t3);
}

/* Collaborators */
.ms-panel-collaborators { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

.ms-participant-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--ms-s3) transparent;
}

.ms-participant-list::-webkit-scrollbar { width: 4px; }
.ms-participant-list::-webkit-scrollbar-thumb {
  background: var(--ms-s3);
  border-radius: 999px;
}

/* participant items rendered by JS — target studio-participant class for compatibility */
.studio-participant {
  display: block;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: var(--ms-r2);
  background: transparent;
  color: var(--ms-t1);
  cursor: pointer;
  text-align: left;
  transition: background var(--ms-ts) var(--ms-ease), border-color var(--ms-ts) var(--ms-ease);
}

.studio-participant:hover {
  background: var(--ms-s1);
  border-color: var(--ms-border);
}

.studio-participant.is-selected {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
}

.studio-participant-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.studio-participant-main strong {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t1);
  line-height: 1.3;
}

.studio-participant-main small {
  font-size: 10px;
  color: var(--ms-t3);
  line-height: 1.4;
}

.studio-participant-state {
  font-size: 10px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  color: var(--ms-t3);
  flex-shrink: 0;
}

.studio-participant.is-online .studio-participant-state {
  background: rgba(76, 175, 125, 0.12);
  color: var(--ms-online);
}

.studio-participant-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  font-size: 10px;
  color: var(--ms-t3);
}

.ms-chat-empty {
  font-size: 12px;
  color: var(--ms-t3);
  line-height: 1.5;
  padding: 8px 2px;
}

/* Audio quality strip */
.ms-panel-audio .ms-panel-head { margin-bottom: 8px; }

.ms-audio-info { display: flex; flex-direction: column; gap: 3px; }

.ms-audio-quality {
  font-size: 13px;
  font-weight: 600;
  color: var(--ms-t1);
}

.ms-audio-desc {
  font-size: 10px;
  color: var(--ms-t3);
}

/* Audio toggle */
.ms-toggle-btn {
  position: relative;
  width: 36px;
  height: 20px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.ms-toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  transition: background var(--ms-tm) var(--ms-ease), border-color var(--ms-tm) var(--ms-ease);
}

.ms-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ms-t3);
  transition: transform var(--ms-tm) var(--ms-ease), background var(--ms-tm) var(--ms-ease);
}

.ms-toggle-btn[aria-pressed="true"] .ms-toggle-track {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
}

.ms-toggle-btn[aria-pressed="true"] .ms-toggle-thumb {
  transform: translateX(16px);
  background: var(--ms-gold);
}

/* Device list */
.ms-device-list { display: flex; flex-direction: column; gap: 6px; }

.ms-device-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: var(--ms-r2);
  border: 1px solid var(--ms-border-s);
  background: var(--ms-s1);
}

.ms-device-row.is-live { border-color: var(--ms-gold-bd); }

.ms-device-info {
  flex: 1;
  min-width: 0;
}

.ms-device-info strong {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--ms-t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ms-device-info span {
  font-size: 10px;
  color: var(--ms-t3);
}

.ms-level-bar {
  width: 28px;
  height: 28px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  flex-shrink: 0;
}

.ms-level-bar span {
  display: block;
  width: 100%;
  height: var(--level, 0%);
  background: var(--ms-gold);
  opacity: 0.7;
  border-radius: 1px;
  transition: height var(--ms-ts);
}

.ms-device-row.is-live .ms-level-bar span { background: var(--ms-gold); opacity: 1; }

.ms-device-btn {
  font-size: 10px;
  font-weight: 600;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--ms-r1);
  border: 1px solid var(--ms-border);
  background: var(--ms-s2);
  color: var(--ms-t3);
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--ms-ts), border-color var(--ms-ts), background var(--ms-ts);
  white-space: nowrap;
}

.ms-device-btn:hover {
  color: var(--ms-t1);
  border-color: var(--ms-border);
  background: var(--ms-s3);
}

/* Invite + auth */
.ms-panel-invite {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ms-invite-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 34px;
  border-radius: var(--ms-r2);
  border: 1px dashed var(--ms-border);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t3);
  cursor: pointer;
  transition: border-color var(--ms-ts), color var(--ms-ts), background var(--ms-ts);
}

.ms-invite-btn:hover {
  border-color: var(--ms-gold-bd);
  color: var(--ms-t1);
  background: var(--ms-gold-dim);
}

.ms-auth-slot .cloud-auth-slot {
  min-height: auto;
  padding: 8px;
  gap: 8px;
  flex-wrap: wrap;
}

.ms-auth-slot .cloud-auth-badge { display: none; }

/* ─── Main Stage ────────────────────────────────────────── */
.ms-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--ms-bg);
  min-width: 0;
}

.ms-stage-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(212, 168, 67, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(14, 14, 14, 0) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.ms-stage-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
  opacity: 1;
  transition: opacity var(--ms-tm) var(--ms-ease);
}

.studio-video-hidden {
  opacity: 0;
  pointer-events: none;
}

/* Remote control frame highlight */
.ms-stage.is-remote-active::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  border: 2px solid rgba(212, 168, 67, 0.5);
  border-radius: 0;
  pointer-events: none;
  animation: msRemoteEdge 2.4s ease-in-out infinite;
}

@keyframes msRemoteEdge {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

/* Idle state */
.ms-stage-idle {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--ms-tm) var(--ms-ease);
}

.ms-stage.has-video .ms-stage-idle {
  opacity: 0;
  pointer-events: none;
}

.ms-idle-content {
  text-align: center;
  max-width: 420px;
  padding: 32px;
}

.ms-idle-title {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ms-t1);
  margin: 8px 0 12px;
  line-height: 1;
}

.ms-idle-desc {
  font-size: 14px;
  color: var(--ms-t2);
  margin: 0 0 24px;
}

.ms-idle-hints {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ms-kbd-hint {
  font-size: 11px;
  color: var(--ms-t3);
  display: flex;
  align-items: center;
  gap: 5px;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--ms-t2);
}

/* Stage meta badges (top area of stage) */
.ms-stage-meta {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  pointer-events: none;
}

.ms-stage-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--ms-r1);
  background: rgba(14, 14, 14, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--ms-border);
  font-size: 10px;
  font-weight: 500;
  font-family: "JetBrains Mono", monospace;
  color: var(--ms-t3);
}

.ms-stage-badge--peer {
  color: var(--ms-t2);
}

/* ─── Right Context Panel ───────────────────────────────── */
.ms-right-panel {
  width: var(--ms-right-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--ms-border);
  background: var(--ms-s0);
  transform: translateX(100%);
  transition: transform var(--ms-tl) var(--ms-ease);
  overflow: hidden;
}

.ms-right-panel[data-open="true"] {
  transform: translateX(0);
}

.ms-right-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  padding: 0 14px;
  border-bottom: 1px solid var(--ms-border);
  flex-shrink: 0;
}

.ms-panel-tabs {
  display: flex;
  gap: 2px;
}

.ms-panel-tab {
  height: 28px;
  padding: 0 10px;
  border-radius: var(--ms-r2);
  border: 0;
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t3);
  cursor: pointer;
  transition: color var(--ms-ts), background var(--ms-ts);
}

.ms-panel-tab:hover { color: var(--ms-t2); background: var(--ms-s1); }

.ms-panel-tab.is-active {
  color: var(--ms-t1);
  background: var(--ms-s2);
}

.ms-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--ms-s3) transparent;
}

.ms-panel-body::-webkit-scrollbar { width: 4px; }
.ms-panel-body::-webkit-scrollbar-thumb {
  background: var(--ms-s3);
  border-radius: 999px;
}

.ms-panel-body--hidden { display: none; }

/* Chat messages */
.ms-chat-stream {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* these classes used by JS renderer */
.studio-chat-message {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.studio-chat-message-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 10px;
  color: var(--ms-t3);
}

.studio-chat-message-meta span:first-child {
  font-weight: 600;
  color: var(--ms-t2);
}

.studio-chat-message-body {
  font-size: 12px;
  color: var(--ms-t1);
  line-height: 1.55;
  padding: 8px 10px;
  border-radius: var(--ms-r2);
  background: var(--ms-s1);
  border: 1px solid var(--ms-border-s);
}

.studio-chat-message.is-self .studio-chat-message-body {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
}

/* Files tab */
.ms-file-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r2);
  background: var(--ms-s1);
}

.ms-file-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ms-r2);
  background: var(--ms-s2);
  color: var(--ms-t3);
  flex-shrink: 0;
}

.ms-file-info { display: flex; flex-direction: column; gap: 3px; }

.ms-file-info strong {
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t1);
}

.ms-file-info span { font-size: 11px; color: var(--ms-t3); }

.ms-upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 80px;
  border: 1px dashed var(--ms-border);
  border-radius: var(--ms-r3);
  background: transparent;
  font-size: 11px;
  color: var(--ms-t3);
  cursor: pointer;
  transition: border-color var(--ms-ts), color var(--ms-ts), background var(--ms-ts);
}

.ms-upload-zone:hover {
  border-color: var(--ms-gold-bd);
  color: var(--ms-t2);
  background: var(--ms-gold-dim);
}

/* Notes tab */
.ms-notes-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 120px;
  font-size: 12px;
  color: var(--ms-t3);
  text-align: center;
}

/* Compose */
.ms-compose {
  border-top: 1px solid var(--ms-border);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.ms-compose-input {
  width: 100%;
  min-height: 56px;
  max-height: 120px;
  padding: 8px 10px;
  border-radius: var(--ms-r2);
  border: 1px solid var(--ms-border);
  background: var(--ms-s1);
  font-family: inherit;
  font-size: 12px;
  color: var(--ms-t1);
  resize: none;
  outline: none;
  transition: border-color var(--ms-ts);
}

.ms-compose-input:focus { border-color: var(--ms-gold-bd); }

.ms-compose-input::placeholder { color: var(--ms-t3); }

.ms-compose-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ms-compose-hint {
  font-size: 10px;
  color: var(--ms-t3);
}

.ms-send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--ms-r2);
  border: 0;
  background: var(--ms-gold);
  color: #0e0e0e;
  cursor: pointer;
  transition: background var(--ms-ts), transform var(--ms-ts);
}

.ms-send-btn:hover { background: #e0b84f; transform: scale(1.04); }
.ms-send-btn:active { transform: scale(0.96); }

/* ─── Bottom Action Bar ─────────────────────────────────── */
.ms-actionbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--ms-actionbar-h);
  padding: 0 20px;
  border-top: 1px solid var(--ms-border);
  background: var(--ms-s0);
  flex-shrink: 0;
  z-index: 20;
}

.ms-actionbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ms-actionbar-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ms-actionbar-room-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--ms-border);
  background: var(--ms-s1);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ms-t3);
}

.ms-actionbar-room-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ms-idle);
  flex-shrink: 0;
  transition: background var(--ms-tm);
}

.ms-actionbar-room-dot.is-live {
  background: var(--ms-live);
  box-shadow: 0 0 6px var(--ms-live);
  animation: msPulse 2s ease-in-out infinite;
}

.ms-actionbar-room-dot.is-connected { background: var(--ms-online); }

/* Action buttons */
.ms-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 52px;
  height: 48px;
  border-radius: var(--ms-r2);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: background var(--ms-ts) var(--ms-ease), border-color var(--ms-ts) var(--ms-ease), color var(--ms-ts) var(--ms-ease);
  color: var(--ms-t2);
}

.ms-action-btn:hover {
  background: var(--ms-s2);
  color: var(--ms-t1);
}

/* Active state (mic on, cam on, etc.) */
.ms-action-btn[aria-pressed="true"] {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
  color: var(--ms-gold);
}

/* Muted / off state */
.ms-action-btn[aria-pressed="false"] {
  background: rgba(232, 79, 54, 0.08);
  border-color: rgba(232, 79, 54, 0.18);
  color: #e87070;
}

.ms-action-btn--chat.is-active {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
  color: var(--ms-gold);
}

.ms-action-btn--leave {
  color: #e87070;
}

.ms-action-btn--leave:hover {
  background: rgba(232, 79, 54, 0.1);
  border-color: rgba(232, 79, 54, 0.2);
  color: var(--ms-live);
}

.ms-action-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ms-action-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ─── Feedback Bar ──────────────────────────────────────── */
.ms-feedback-bar {
  position: fixed;
  bottom: calc(var(--ms-actionbar-h) + 10px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  min-width: 200px;
  max-width: 380px;
  padding: 8px 14px;
  border-radius: var(--ms-r2);
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  font-size: 12px;
  color: var(--ms-t2);
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--ms-tm) var(--ms-ease);
}

.ms-feedback-bar:not(:empty) { opacity: 1; }

/* ─── Overlay Layer ─────────────────────────────────────── */
.ms-overlay-layer {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
}

.ms-overlay-layer:not([aria-hidden="true"]) { pointer-events: auto; }

.ms-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--ms-tm) var(--ms-ease);
}

.ms-overlay-layer:not([aria-hidden="true"]) .ms-overlay-backdrop { opacity: 1; }

/* Popover */
.ms-popover {
  position: absolute;
  bottom: calc(var(--ms-actionbar-h) + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  background: var(--ms-s1);
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r4);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.ms-popover[hidden] { display: none; }

.ms-popover-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--ms-border);
}

.ms-popover-head strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ms-t1);
}

.ms-popover-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ms-popover-desc {
  font-size: 12px;
  color: var(--ms-t3);
  margin: 0;
}

.ms-popover-actions {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--ms-border);
}

/* Modal */
.ms-modal {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.ms-modal[hidden] { display: none; }

.ms-modal-card {
  width: 100%;
  max-width: 560px;
  background: var(--ms-s1);
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r5);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 80vh;
}

.ms-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--ms-border);
}

.ms-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ms-t1);
  margin: 6px 0 0;
  letter-spacing: -0.01em;
}

.ms-share-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 22px 0;
  flex-shrink: 0;
}

.ms-share-tab {
  height: 30px;
  padding: 0 12px;
  border-radius: var(--ms-r2);
  border: 1px solid var(--ms-border);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t3);
  cursor: pointer;
  transition: color var(--ms-ts), background var(--ms-ts), border-color var(--ms-ts);
}

.ms-share-tab:hover { color: var(--ms-t2); background: var(--ms-s2); }
.ms-share-tab.is-active { color: var(--ms-t1); background: var(--ms-s2); border-color: var(--ms-border); }

.ms-share-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 14px 22px;
  overflow-y: auto;
}

.ms-share-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 14px 12px;
  border: 1px solid var(--ms-border);
  border-radius: var(--ms-r3);
  background: var(--ms-s0);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--ms-ts), background var(--ms-ts);
}

.ms-share-option:hover { border-color: var(--ms-border); background: var(--ms-s2); }
.ms-share-option.is-active { border-color: var(--ms-gold-bd); background: var(--ms-gold-dim); }

.ms-share-option-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ms-r2);
  background: var(--ms-s2);
  color: var(--ms-t2);
  margin-bottom: 2px;
}

.ms-share-option strong { font-size: 12px; color: var(--ms-t1); }
.ms-share-option span { font-size: 10px; color: var(--ms-t3); line-height: 1.4; }

.ms-share-settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 22px 16px;
  flex-shrink: 0;
}

.ms-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 22px;
  border-top: 1px solid var(--ms-border);
  flex-shrink: 0;
}

/* Choice grid (background options) */
.ms-choice-group {
  display: flex;
  gap: 6px;
}

.ms-choice-btn {
  flex: 1;
  height: 32px;
  border-radius: var(--ms-r2);
  border: 1px solid var(--ms-border);
  background: var(--ms-s2);
  font-size: 11px;
  font-weight: 500;
  color: var(--ms-t3);
  cursor: pointer;
  transition: color var(--ms-ts), border-color var(--ms-ts), background var(--ms-ts);
}

.ms-choice-btn:hover { color: var(--ms-t2); }
.ms-choice-btn.is-active { border-color: var(--ms-gold-bd); background: var(--ms-gold-dim); color: var(--ms-gold); }

/* ═══════════════════════════════════════════════════════════
   SHARED COMPONENTS
═══════════════════════════════════════════════════════════ */

/* Eyebrow label */
.ms-eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ms-t3);
  margin: 0;
}

/* Badges */
.ms-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 7px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  font-size: 10px;
  font-weight: 600;
  color: var(--ms-t3);
}

.ms-badge--gold {
  background: var(--ms-gold-dim);
  color: var(--ms-gold);
  border: 1px solid var(--ms-gold-bd);
}

/* Buttons */
.ms-primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--ms-r2);
  border: 0;
  background: var(--ms-gold);
  font-size: 13px;
  font-weight: 600;
  color: #0e0e0e;
  cursor: pointer;
  transition: background var(--ms-ts), transform var(--ms-ts);
  white-space: nowrap;
}

.ms-primary-btn:hover { background: #e0b84f; }
.ms-primary-btn:active { transform: scale(0.98); }
.ms-primary-btn--live { background: var(--ms-live); color: #fff; }
.ms-primary-btn--live:hover { background: #f06050; }

/* Active session join state — workspace cyan highlight */
.ms-primary-btn[data-has-active-session] {
  background: linear-gradient(135deg, var(--ms-gold) 0%, #c49030 100%);
  box-shadow: 0 0 0 1px var(--ms-cyan-bd), 0 4px 20px rgba(130, 236, 255, 0.18);
  animation: msPulseJoin 2.4s ease-in-out infinite;
}
@keyframes msPulseJoin {
  0%, 100% { box-shadow: 0 0 0 1px var(--ms-cyan-bd), 0 4px 20px rgba(130, 236, 255, 0.18); }
  50%       { box-shadow: 0 0 0 2px var(--ms-cyan-bd), 0 4px 32px rgba(130, 236, 255, 0.32); }
}

.ms-ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--ms-r2);
  border: 1px solid var(--ms-border);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--ms-t2);
  cursor: pointer;
  transition: color var(--ms-ts), border-color var(--ms-ts), background var(--ms-ts);
  white-space: nowrap;
}

.ms-ghost-btn:hover {
  color: var(--ms-t1);
  background: var(--ms-s2);
}

.ms-pill-btn {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--ms-border);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  color: var(--ms-t3);
  cursor: pointer;
  transition: color var(--ms-ts), border-color var(--ms-ts), background var(--ms-ts);
}

.ms-pill-btn--gold {
  border-color: var(--ms-gold-bd);
  color: var(--ms-gold);
  background: var(--ms-gold-dim);
}

.ms-pill-btn--gold:hover { background: rgba(212, 168, 67, 0.22); }

.ms-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--ms-r2);
  border: 0;
  background: transparent;
  color: var(--ms-t3);
  cursor: pointer;
  transition: color var(--ms-ts), background var(--ms-ts);
}

.ms-icon-btn:hover { color: var(--ms-t1); background: var(--ms-s2); }

/* Form fields */
.ms-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ms-field--full { grid-column: 1 / -1; }

.ms-field-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--ms-t3);
}

.ms-select {
  height: 34px;
  padding: 0 10px;
  border-radius: var(--ms-r2);
  border: 1px solid var(--ms-border);
  background: var(--ms-s1);
  font-family: inherit;
  font-size: 12px;
  color: var(--ms-t1);
  outline: none;
  cursor: pointer;
  transition: border-color var(--ms-ts);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23605a55' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.ms-select:focus { border-color: var(--ms-gold-bd); }
.ms-select option { background: #1c1c1c; }

.ms-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}

.ms-toggle-row span {
  font-size: 12px;
  color: var(--ms-t2);
}

.ms-toggle-row input[type="checkbox"] {
  width: 34px;
  height: 18px;
  appearance: none;
  border-radius: 999px;
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background var(--ms-ts), border-color var(--ms-ts);
}

.ms-toggle-row input[type="checkbox"]::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ms-t3);
  transition: transform var(--ms-ts) var(--ms-ease), background var(--ms-ts);
}

.ms-toggle-row input[type="checkbox"]:checked {
  background: var(--ms-gold-dim);
  border-color: var(--ms-gold-bd);
}

.ms-toggle-row input[type="checkbox"]:checked::before {
  transform: translateX(16px);
  background: var(--ms-gold);
}

.ms-helper-text {
  font-size: 10px;
  color: var(--ms-t3);
}

/* ─── Screen state switching ────────────────────────────── */
.ms-shell[data-screen="preflight"] .ms-session { display: none; }
.ms-shell[data-screen="session"]   .ms-preflight { display: none; }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  :root {
    --ms-left-w: 0px;
    --ms-right-w: 100%;
  }

  .ms-left-panel { display: none; }

  .ms-right-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    transform: translateX(100%);
  }

  .ms-right-panel[data-open="true"] { transform: translateX(0); }

  .ms-preflight-body {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .ms-preflight-preview-wrap { border-right: 0; border-bottom: 1px solid var(--ms-border); }

  .ms-settings-grid { grid-template-columns: 1fr; }

  .ms-action-label { display: none; }

  .ms-action-btn { width: 42px; height: 42px; }

  .ms-idle-title { font-size: 36px; }
}

/* ─── Compatibility: workspace-collab UI elements ───────── */
.studio-chat-empty {
  font-size: 12px;
  color: var(--ms-t3);
  line-height: 1.55;
  padding: 16px 0;
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════
   v9 Session Overrides — Floating studio layout + join CTA
═══════════════════════════════════════════════════════════ */

.ms-session {
  position: relative;
  background:
    radial-gradient(circle at 14% 12%, rgba(130, 236, 255, 0.08), transparent 20%),
    radial-gradient(circle at 86% 84%, rgba(212, 168, 67, 0.08), transparent 20%),
    #050505;
}

.ms-topbar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  height: 60px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.018)),
    rgba(9, 14, 20, 0.78);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.34);
}

.ms-workspace {
  position: absolute;
  inset: 0;
  display: block;
}

.ms-left-panel {
  position: absolute;
  left: 20px;
  top: 92px;
  bottom: 92px;
  z-index: 12;
  width: 260px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
    rgba(9, 14, 20, 0.66);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.28);
}

.ms-stage {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(130, 236, 255, 0.06), transparent 52%),
    radial-gradient(circle at 82% 100%, rgba(212, 168, 67, 0.06), transparent 50%),
    #050505;
}

.ms-stage.is-remote-active::before,
#studioStageFrame.is-remote-active::before {
  border: 1.5px solid rgba(0, 242, 255, 0.72);
  box-shadow:
    inset 0 0 24px rgba(0, 242, 255, 0.12),
    0 0 34px rgba(0, 242, 255, 0.16);
}

.ms-stage-meta {
  top: 98px;
  right: 38px;
}

.ms-idle-content {
  max-width: 520px;
  padding: 40px 44px;
}

.ms-idle-actions {
  display: flex;
  justify-content: center;
  margin: 0 0 18px;
}

.ms-stage-join-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid rgba(212, 168, 67, 0.24);
  background:
    linear-gradient(180deg, rgba(212, 168, 67, 0.22), rgba(212, 168, 67, 0.08)),
    rgba(12, 18, 26, 0.76);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 18px 36px rgba(0, 0, 0, 0.22);
  color: var(--ms-t1);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--ms-ts) var(--ms-ease), border-color var(--ms-ts), box-shadow var(--ms-ts), background var(--ms-ts);
}

.ms-stage-join-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(212, 168, 67, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 22px 40px rgba(0, 0, 0, 0.28);
}

.ms-stage-join-btn[data-has-active-session="true"] {
  border-color: rgba(130, 236, 255, 0.32);
  background:
    linear-gradient(180deg, rgba(130, 236, 255, 0.22), rgba(130, 236, 255, 0.08)),
    rgba(12, 18, 26, 0.78);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 0 1px rgba(130, 236, 255, 0.08),
    0 20px 44px rgba(0, 0, 0, 0.26);
}

.ms-right-panel {
  position: absolute;
  top: 92px;
  right: 20px;
  bottom: 92px;
  z-index: 12;
  width: 320px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
    rgba(9, 14, 20, 0.66);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.28);
  transform: translateX(calc(100% + 24px));
  opacity: 0;
  pointer-events: none;
  transition: transform var(--ms-tl) var(--ms-ease), opacity var(--ms-ts) var(--ms-ease);
}

.ms-right-panel[data-open="true"] {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.ms-actionbar {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: min(780px, calc(100vw - 40px));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.016)),
    rgba(9, 14, 20, 0.74);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.ms-actionbar-room-chip {
  background: rgba(255, 255, 255, 0.05);
}

.ms-feedback-bar {
  bottom: 94px;
}

.ms-popover {
  bottom: 98px;
}

@media (max-width: 900px) {
  .ms-topbar {
    top: 8px;
    left: 8px;
    right: 8px;
    height: 54px;
    padding: 0 12px;
    border-radius: 18px;
  }

  .ms-left-panel {
    display: none;
  }

  .ms-stage-meta {
    top: 78px;
    right: 18px;
  }

  .ms-right-panel {
    top: 78px;
    right: 12px;
    bottom: 84px;
    width: min(340px, calc(100vw - 24px));
  }

  .ms-actionbar {
    width: calc(100vw - 24px);
    bottom: 8px;
    padding: 0 12px;
  }

  .ms-idle-title {
    font-size: 42px;
  }

  .ms-idle-content {
    max-width: 420px;
    padding: 24px;
  }
}

.studio-hidden { display: none !important; }

/* ─── Guide Modal ───────────────────────────────────────── */
.ms-guide-card {
  max-width: 600px;
  max-height: 85vh;
}

.ms-guide-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ms-guide-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ms-guide-section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ms-gold);
}

.ms-guide-list {
  margin: 0;
  padding: 0 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.ms-guide-list li {
  font-size: 13px;
  color: var(--ms-t2);
  line-height: 1.5;
}

.ms-guide-list li strong { color: var(--ms-t1); }

.ms-guide-shortcuts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ms-guide-shortcut {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--ms-r2);
  background: var(--ms-s0);
  border: 1px solid var(--ms-border);
}

.ms-guide-shortcut kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 24px;
  padding: 0 6px;
  border-radius: var(--ms-r1);
  background: var(--ms-s2);
  border: 1px solid var(--ms-border);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--ms-gold);
  flex-shrink: 0;
}

.ms-guide-shortcut span {
  font-size: 12px;
  color: var(--ms-t2);
}

/* remote control ring on stage frame (class set by JS) */
#studioStageFrame.is-remote-active { }
#studioStageFrame.is-remote-active::before { content: ""; position: absolute; inset: 0; z-index: 5; border: 1.5px solid rgba(0, 242, 255, 0.72); box-shadow: inset 0 0 24px rgba(0, 242, 255, 0.12), 0 0 34px rgba(0, 242, 255, 0.16); pointer-events: none; animation: msRemoteEdge 2.4s ease-in-out infinite; }
#studioStageFrame.has-video .ms-stage-idle { opacity: 0; pointer-events: none; }