/* Tele-Reunion — UI compartida (módulo integrable) */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;600&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

:root {
  --tr-bg: #0a0f1a;
  --tr-bg-elevated: #111827;
  --tr-surface: #1e293b;
  --tr-surface-hover: #253347;
  --tr-border: rgba(148, 163, 184, 0.15);
  --tr-border-active: rgba(99, 179, 237, 0.45);
  --tr-text: #f1f5f9;
  --tr-text-muted: #94a3b8;
  --tr-text-dim: #64748b;
  --tr-accent: #60a5fa;
  --tr-accent-dim: rgba(96, 165, 250, 0.12);
  --tr-success: #34d399;
  --tr-success-dim: rgba(52, 211, 153, 0.12);
  --tr-warn: #fbbf24;
  --tr-warn-dim: rgba(251, 191, 36, 0.12);
  --tr-danger: #f87171;
  --tr-danger-dim: rgba(248, 113, 113, 0.12);
  --tr-purple: #a78bfa;
  --tr-purple-dim: rgba(167, 139, 250, 0.12);
  --tr-radius: 12px;
  --tr-radius-sm: 8px;
  --tr-radius-xs: 6px;
  --tr-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  --tr-font-display: 'Fraunces', Georgia, serif;
  --tr-font-body: 'DM Sans', system-ui, sans-serif;
  --tr-transition: 0.15s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.tr-app {
  margin: 0;
  min-height: 100vh;
  font-family: var(--tr-font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--tr-text);
  background: var(--tr-bg);
}

/* ═══ LAYOUT: Meeting room grid ═══ */

.tr-room {
  display: grid;
  grid-template-columns: 1fr 320px;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  gap: 0;
}

.tr-room-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: var(--tr-bg-elevated);
  border-bottom: 1px solid var(--tr-border);
  gap: 0.75rem;
}

.tr-room-main {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.tr-room-sidebar {
  grid-column: 2;
  grid-row: 2 / 4;
  display: flex;
  flex-direction: column;
  background: var(--tr-bg-elevated);
  border-left: 1px solid var(--tr-border);
  overflow: hidden;
}

.tr-room-footer {
  grid-column: 1;
  grid-row: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--tr-bg-elevated);
  border-top: 1px solid var(--tr-border);
}

@media (max-width: 900px) {
  .tr-room {
    grid-template-columns: 1fr;
  }
  .tr-room-sidebar {
    grid-column: 1;
    grid-row: auto;
    max-height: 40vh;
    border-left: none;
    border-top: 1px solid var(--tr-border);
  }
}

/* ═══ HEADER ═══ */

.tr-brand {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}
.tr-brand h1 {
  margin: 0;
  font-family: var(--tr-font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.tr-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: var(--tr-accent-dim);
  color: var(--tr-accent);
  border: 1px solid rgba(96, 165, 250, 0.3);
}
.tr-badge--live {
  background: var(--tr-danger-dim);
  color: var(--tr-danger);
  border-color: rgba(248, 113, 113, 0.35);
  animation: tr-pulse 2s infinite;
}
@keyframes tr-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.tr-meeting-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tr-text-muted);
  margin: 0;
  flex: 1;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tr-header-actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

/* ═══ SHARED CANVAS / RESOURCE VIEWER ═══ */

.tr-canvas-area {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #060a12;
  overflow: hidden;
}

.tr-canvas-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--tr-text-dim);
  text-align: center;
  padding: 2rem;
}
.tr-canvas-empty svg {
  width: 64px;
  height: 64px;
  opacity: 0.3;
}
.tr-canvas-empty p {
  margin: 0;
  font-size: 0.9rem;
}

.tr-resource-display {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.tr-annotation-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}
.tr-annotation-layer.tr-drawing {
  pointer-events: all;
  cursor: crosshair;
}

.tr-annotation-toolbar {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.35rem;
  padding: 0.4rem 0.65rem;
  background: rgba(17, 24, 39, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--tr-border);
  border-radius: var(--tr-radius);
  z-index: 20;
}

/* ═══ VIDEO GRID (participants) ═══ */

.tr-video-strip {
  display: flex;
  gap: 0.35rem;
  padding: 0.35rem;
  background: var(--tr-bg);
  border-top: 1px solid var(--tr-border);
  overflow-x: auto;
  min-height: 100px;
  flex-shrink: 0;
}

.tr-video-thumb {
  position: relative;
  width: 130px;
  min-width: 130px;
  aspect-ratio: 4/3;
  border-radius: var(--tr-radius-sm);
  overflow: hidden;
  background: #0a0f1a;
  border: 2px solid transparent;
  transition: border-color var(--tr-transition);
}
.tr-video-thumb.tr-speaking {
  border-color: var(--tr-success);
}
.tr-video-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.tr-video-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.2rem 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ═══ SIDEBAR TABS ═══ */

.tr-sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--tr-border);
  flex-shrink: 0;
}
.tr-sidebar-tab {
  flex: 1;
  padding: 0.6rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  color: var(--tr-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--tr-transition), border-color var(--tr-transition);
}
.tr-sidebar-tab:hover { color: var(--tr-text); }
.tr-sidebar-tab.active {
  color: var(--tr-accent);
  border-bottom-color: var(--tr-accent);
}

.tr-sidebar-panel {
  flex: 1;
  overflow-y: auto;
  padding: 0.65rem;
  display: none;
}
.tr-sidebar-panel.active { display: flex; flex-direction: column; gap: 0.5rem; }

/* ═══ RESOURCES LIST ═══ */

.tr-resource-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
  cursor: pointer;
  transition: background var(--tr-transition), border-color var(--tr-transition);
}
.tr-resource-item:hover {
  background: var(--tr-surface-hover);
  border-color: var(--tr-border-active);
}
.tr-resource-item.active {
  border-color: var(--tr-accent);
  background: var(--tr-accent-dim);
}
.tr-resource-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--tr-radius-xs);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.tr-resource-icon.dicom { background: var(--tr-purple-dim); color: var(--tr-purple); }
.tr-resource-icon.xray { background: var(--tr-accent-dim); color: var(--tr-accent); }
.tr-resource-icon.lab { background: var(--tr-success-dim); color: var(--tr-success); }
.tr-resource-icon.pdf { background: var(--tr-danger-dim); color: var(--tr-danger); }
.tr-resource-icon.image { background: var(--tr-warn-dim); color: var(--tr-warn); }

.tr-resource-info {
  flex: 1;
  min-width: 0;
}
.tr-resource-title {
  font-size: 0.82rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tr-resource-meta {
  font-size: 0.7rem;
  color: var(--tr-text-dim);
}

/* ═══ VOTING PANEL ═══ */

.tr-vote-card {
  padding: 0.75rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
}
.tr-vote-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 0.15rem;
}
.tr-vote-desc {
  font-size: 0.75rem;
  color: var(--tr-text-muted);
  margin: 0 0 0.65rem;
}
.tr-vote-status {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.tr-vote-status.open { color: var(--tr-success); }
.tr-vote-status.closed { color: var(--tr-text-dim); }

.tr-vote-options {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.tr-vote-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--tr-radius-xs);
  background: var(--tr-bg);
  border: 1px solid var(--tr-border);
  cursor: pointer;
  transition: all var(--tr-transition);
  font-size: 0.82rem;
}
.tr-vote-option:hover:not(.disabled) {
  border-color: var(--tr-accent);
  background: var(--tr-accent-dim);
}
.tr-vote-option.selected {
  border-color: var(--tr-accent);
  background: var(--tr-accent-dim);
}
.tr-vote-option.disabled {
  cursor: default;
  opacity: 0.7;
}
.tr-vote-bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}
.tr-vote-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--tr-accent);
  transition: width 0.4s ease;
}
.tr-vote-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--tr-text-muted);
  min-width: 1.5rem;
  text-align: right;
}

/* ═══ CHAT ═══ */

.tr-chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-bottom: 0.5rem;
}
.tr-chat-msg {
  padding: 0.4rem 0.6rem;
  border-radius: var(--tr-radius-xs);
  background: var(--tr-surface);
  font-size: 0.82rem;
}
.tr-chat-author {
  font-weight: 600;
  font-size: 0.72rem;
  color: var(--tr-accent);
  margin-bottom: 0.15rem;
}
.tr-chat-time {
  font-size: 0.65rem;
  color: var(--tr-text-dim);
  margin-left: 0.4rem;
  font-weight: 400;
}
.tr-chat-input-wrap {
  display: flex;
  gap: 0.35rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--tr-border);
  flex-shrink: 0;
}
.tr-chat-input {
  flex: 1;
  padding: 0.5rem 0.65rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
  color: var(--tr-text);
  font-family: var(--tr-font-body);
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--tr-transition);
}
.tr-chat-input:focus { border-color: var(--tr-accent); }
.tr-chat-input::placeholder { color: var(--tr-text-dim); }

/* ═══ PARTICIPANTS LIST ═══ */

.tr-participant {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--tr-radius-xs);
}
.tr-participant-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--tr-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--tr-accent);
  flex-shrink: 0;
}
.tr-participant-name {
  font-size: 0.82rem;
  font-weight: 500;
  flex: 1;
}
.tr-participant-role {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
}
.tr-participant-role.moderator { background: var(--tr-warn-dim); color: var(--tr-warn); }
.tr-participant-role.presenter { background: var(--tr-purple-dim); color: var(--tr-purple); }
.tr-participant-role.observer { background: rgba(255,255,255,0.05); color: var(--tr-text-dim); }

.tr-online-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tr-success);
  flex-shrink: 0;
}

/* ═══ BUTTONS ═══ */

.tr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-family: var(--tr-font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: var(--tr-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--tr-transition);
  white-space: nowrap;
}
.tr-btn:active:not(:disabled) { transform: scale(0.97); }
.tr-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.tr-btn--primary {
  background: linear-gradient(145deg, #6cb4fb, #3b82f6);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}
.tr-btn--primary:hover:not(:disabled) { box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4); }
.tr-btn--secondary {
  background: var(--tr-surface);
  color: var(--tr-text);
  border-color: var(--tr-border);
}
.tr-btn--secondary:hover:not(:disabled) { border-color: var(--tr-border-active); background: var(--tr-surface-hover); }
.tr-btn--ghost {
  background: transparent;
  color: var(--tr-text-muted);
  border-color: var(--tr-border);
}
.tr-btn--ghost:hover:not(:disabled) { color: var(--tr-text); background: var(--tr-surface); }
.tr-btn--danger {
  background: var(--tr-danger-dim);
  color: var(--tr-danger);
  border-color: rgba(248, 113, 113, 0.3);
}
.tr-btn--danger:hover:not(:disabled) { background: rgba(248, 113, 113, 0.2); }
.tr-btn--success {
  background: var(--tr-success-dim);
  color: var(--tr-success);
  border-color: rgba(52, 211, 153, 0.3);
}

.tr-btn--icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--tr-radius-xs);
}
.tr-btn--icon svg { width: 18px; height: 18px; }

/* ═══ CURSOR OVERLAYS ═══ */

.tr-cursor {
  position: absolute;
  pointer-events: none;
  z-index: 30;
  transition: left 0.1s linear, top 0.1s linear;
}
.tr-cursor-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--tr-accent);
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}
.tr-cursor-label {
  position: absolute;
  left: 14px;
  top: -4px;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.8);
  white-space: nowrap;
}

.tr-pointer-flash {
  position: absolute;
  pointer-events: none;
  z-index: 25;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid var(--tr-warn);
  animation: tr-flash 1s ease-out forwards;
}
@keyframes tr-flash {
  0% { transform: scale(0.3); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}

/* ═══ STATUS BAR ═══ */

.tr-status {
  font-size: 0.78rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
  color: var(--tr-text-muted);
}
.tr-status[data-state='ok'] { border-color: rgba(52, 211, 153, 0.35); color: var(--tr-success); }
.tr-status[data-state='warn'] { border-color: rgba(251, 191, 36, 0.35); color: var(--tr-warn); }
.tr-status[data-state='err'] { border-color: rgba(248, 113, 113, 0.35); color: var(--tr-danger); }

/* ═══ LOBBY ═══ */

.tr-lobby {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) 1.5rem;
}

.tr-card {
  background: var(--tr-bg-elevated);
  border: 1px solid var(--tr-border);
  border-radius: var(--tr-radius);
  padding: 1.25rem;
  box-shadow: var(--tr-shadow);
}
.tr-card + .tr-card { margin-top: 1rem; }

.tr-card-title {
  margin: 0 0 0.35rem;
  font-family: var(--tr-font-display);
  font-size: 1.05rem;
  font-weight: 600;
}
.tr-card-desc {
  margin: 0 0 1rem;
  color: var(--tr-text-muted);
  font-size: 0.85rem;
}

/* ═══ FORMS ═══ */

.tr-input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
  color: var(--tr-text);
  font-family: var(--tr-font-body);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--tr-transition);
}
.tr-input:focus { border-color: var(--tr-accent); }
.tr-input::placeholder { color: var(--tr-text-dim); }

.tr-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tr-text-muted);
  margin-bottom: 0.35rem;
}

.tr-form-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.tr-form-row > * { flex: 1; }

.tr-form-group { margin-bottom: 0.75rem; }

/* ═══ MEETING LIST ═══ */

.tr-meeting-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
  cursor: pointer;
  transition: all var(--tr-transition);
  margin-bottom: 0.5rem;
}
.tr-meeting-item:hover {
  border-color: var(--tr-border-active);
  background: var(--tr-surface-hover);
}

.tr-meeting-item-title {
  font-weight: 600;
  font-size: 0.9rem;
}
.tr-meeting-item-meta {
  font-size: 0.75rem;
  color: var(--tr-text-muted);
}
.tr-meeting-item-status {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
}
.tr-meeting-item-status.active { background: var(--tr-success-dim); color: var(--tr-success); }
.tr-meeting-item-status.scheduled { background: var(--tr-accent-dim); color: var(--tr-accent); }
.tr-meeting-item-status.ended { background: rgba(255,255,255,0.05); color: var(--tr-text-dim); }

/* ═══ ARCHIVE VIEW ═══ */

.tr-archive-section {
  margin-bottom: 1.5rem;
}
.tr-archive-section h3 {
  font-family: var(--tr-font-display);
  font-size: 0.95rem;
  margin: 0 0 0.65rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--tr-border);
}

.tr-minutes-item {
  padding: 0.75rem;
  border-radius: var(--tr-radius-sm);
  background: var(--tr-surface);
  border: 1px solid var(--tr-border);
  margin-bottom: 0.5rem;
}
.tr-minutes-topic {
  font-weight: 600;
  font-size: 0.85rem;
  margin: 0 0 0.3rem;
}
.tr-minutes-text {
  font-size: 0.82rem;
  color: var(--tr-text-muted);
  margin: 0;
}

/* ═══ SCROLLBAR ═══ */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.2);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.35); }

/* ═══ UTILITIES ═══ */

.tr-flex { display: flex; }
.tr-flex-col { flex-direction: column; }
.tr-gap-sm { gap: 0.35rem; }
.tr-gap { gap: 0.65rem; }
.tr-items-center { align-items: center; }
.tr-justify-between { justify-content: space-between; }
.tr-flex-1 { flex: 1; }
.tr-text-center { text-align: center; }
.tr-mt-sm { margin-top: 0.5rem; }
.tr-mt { margin-top: 1rem; }
.tr-hidden { display: none !important; }