/* ═══════════════════════════════════════════
   EDITOR — 3-Column Presenter Workspace
═══════════════════════════════════════════ */

#screen-editor {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--surface-0);
  overflow: hidden;
}

/* ── Top Bar ── */
.editor-topbar {
  height: 56px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-5);
  flex-shrink: 0;
  gap: var(--sp-4);
  z-index: var(--z-raised);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.topbar-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.topbar-session {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.session-code-badge {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  background: var(--surface-3);
  border: 1px solid var(--border-default);
  border-radius: var(--r-md);
  padding: 4px 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--t-fast);
}
.session-code-badge:hover { border-color: var(--accent-primary); color: var(--text-accent); }

.participant-count {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.participant-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.topbar-center {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--t-fast);
}
.user-menu:hover { background: var(--surface-hover); }

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

/* ── Editor Layout ── */
.editor-workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── LEFT: Slide Navigator ── */
.editor-nav {
  width: 200px;
  background: var(--surface-1);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.nav-header {
  padding: var(--sp-4);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.slide-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-height: 0; /* critical: allows flex child to scroll */
}

/* Scrollbar styling for slide list */
.slide-list::-webkit-scrollbar { width: 4px; }
.slide-list::-webkit-scrollbar-track { background: transparent; }
.slide-list::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

.slide-thumb {
  position: relative;
  border-radius: var(--r-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--t-fast);
  overflow: hidden;
  background: var(--surface-3);
  /* Fixed height — never squish regardless of container */
  min-height: 76px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 24px var(--sp-2) var(--sp-2) var(--sp-2);
  gap: 3px;
}

.slide-thumb:hover { border-color: var(--border-strong); }
.slide-thumb.active { border-color: var(--accent-primary); box-shadow: 0 0 0 1px var(--accent-primary); }

/* Move buttons — shown on hover */
.slide-thumb-move {
  position: absolute;
  top: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  right: 24px; /* leave room for delete btn */
  opacity: 0;
  transition: opacity var(--t-fast);
  z-index: 2;
}
.slide-thumb:hover .slide-thumb-move { opacity: 1; }

.slide-thumb-move-btn {
  width: 16px;
  height: 14px;
  border: none;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  color: rgba(255,255,255,0.85);
  font-size: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
  line-height: 1;
  padding: 0;
}
.slide-thumb-move-btn:hover { background: var(--accent-primary); color: #fff; }
.slide-thumb-move-btn:disabled { opacity: 0.25; cursor: default; }
.slide-thumb-move-btn:disabled:hover { background: rgba(255,255,255,0.1); }


.slide-thumb-number {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 10px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  background: rgba(0,0,0,0.35);
  border-radius: var(--r-sm);
  padding: 1px 5px;
  z-index: 1;
}

.slide-thumb-question {
  font-size: 9px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  text-align: left;
  line-height: 1.35;
  max-height: 36px;
  overflow: hidden;
  width: 100%;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

.slide-thumb-status {
  position: absolute;
  top: 6px;
  right: 46px; /* moved left to avoid overlap with move buttons */
  width: 7px;
  height: 7px;
  border-radius: 50%;
  z-index: 2;
}
.slide-thumb-status.open   { background: var(--accent-success); }
.slide-thumb-status.closed { background: var(--accent-danger); }
.slide-thumb-status.pending { background: rgba(255,255,255,0.3); }


.slide-thumb-actions {
  position: absolute;
  top: 4px;
  right: 4px;
  display: none;
  gap: 3px;
  z-index: 3;
}
.slide-thumb:hover .slide-thumb-actions { display: flex; }

.slide-thumb-action-btn {
  width: 18px;
  height: 18px;
  background: rgba(99,102,241,0.2);
  border: none;
  border-radius: var(--r-sm);
  color: var(--accent-primary);
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}
.slide-thumb-action-btn:hover { background: rgba(99,102,241,0.4); }

.slide-thumb-delete {
  width: 18px;
  height: 18px;
  background: rgba(239,68,68,0.2);
  border: none;
  border-radius: var(--r-sm);
  color: var(--accent-danger);
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}
.slide-thumb-delete:hover { background: rgba(239,68,68,0.4); }

.nav-footer {
  padding: var(--sp-3);
  border-top: 1px solid var(--border-subtle);
}

.add-slide-btn {
  width: 100%;
  justify-content: center;
  gap: var(--sp-2);
}

/* ── CENTER: Canvas ── */
.editor-canvas {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface-0);
  padding: var(--sp-8);
  gap: var(--sp-5);
  overflow: hidden;
  position: relative;
}

.canvas-controls-top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  max-width: 740px;
}

.canvas-slide-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  flex: 1;
}

.canvas-wrapper {
  width: 100%;
  max-width: 740px;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--border-subtle);
  background: #1a2547;
}

.canvas-slide-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transition: background var(--t-normal);
}

.canvas-logo {
  position: absolute;
  top: 16px;
  right: 16px;
  max-width: 80px;
  max-height: 48px;
  object-fit: contain;
  z-index: 2;
  border-radius: var(--r-sm);
}

.canvas-content {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 24px;
  gap: 12px;
  overflow: hidden;
}

.canvas-question {
  font-size: clamp(14px, 2.2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  flex-shrink: 0;
  max-height: 30%;
  overflow: hidden;
}

.canvas-chart-area {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  overflow: hidden;
  min-height: 0;
}

.canvas-vote-count {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ── Canvas Overlay Controls ── */
.canvas-overlay {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: var(--sp-2);
  z-index: 10;
}

.canvas-overlay-btn {
  padding: 6px 14px;
  font-size: 12px;
  border-radius: var(--r-full);
  backdrop-filter: blur(12px);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--t-fast);
}

.canvas-overlay-btn.poll-open {
  background: rgba(16,185,129,0.25);
  color: #6ee7b7;
  border-color: rgba(16,185,129,0.4);
}
.canvas-overlay-btn.poll-closed {
  background: rgba(239,68,68,0.2);
  color: #fca5a5;
  border-color: rgba(239,68,68,0.35);
}
.canvas-overlay-btn.poll-pending {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
}
.canvas-overlay-btn:hover { transform: scale(1.03); }

.canvas-actions-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  max-width: 740px;
}

.canvas-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 6px 12px;
}

.canvas-stat-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.editor-inspector {
  width: 280px;
  background: var(--surface-1);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
}

/* ── Inspector Tabs ── */
.inspector-tabs {
  display: flex;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.inspector-tab {
  flex: 1;
  padding: 12px 0;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--t-fast);
}

.inspector-tab:hover { color: var(--text-secondary); background: var(--surface-hover); }
.inspector-tab.active { color: var(--accent-primary); border-bottom-color: var(--accent-primary); background: var(--surface-1); }

.inspector-section {
  padding: var(--sp-5);
  border-bottom: 1px solid var(--border-subtle);
}

.inspector-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* ── Options List ── */
.options-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.option-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.option-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.option-input {
  flex: 1;
  padding: 7px 10px;
  font-size: 13px;
}

.option-delete-btn {
  width: 26px;
  height: 26px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--t-fast);
}
.option-delete-btn:hover { background: rgba(239,68,68,0.15); color: var(--accent-danger); }

.add-option-btn {
  width: 100%;
  justify-content: center;
  font-size: 12px;
}

/* ── Layout Picker ── */
.layout-picker {
  display: flex;
  gap: var(--sp-2);
}

.layout-option {
  flex: 1;
  padding: 8px 6px;
  border: 2px solid var(--border-subtle);
  border-radius: var(--r-md);
  cursor: pointer;
  text-align: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--t-fast);
  background: var(--surface-2);
}
.layout-option:hover { border-color: var(--border-strong); color: var(--text-secondary); }
.layout-option.active { border-color: var(--accent-primary); color: var(--text-accent); background: rgba(99,102,241,0.1); }

.layout-option-icon {
  font-size: 18px;
  margin-bottom: 4px;
  display: block;
}

/* ── Image Upload ── */
.upload-area {
  border: 2px dashed var(--border-default);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  text-align: center;
  cursor: pointer;
  transition: all var(--t-fast);
  position: relative;
}

.upload-area:hover { border-color: var(--accent-primary); background: rgba(99,102,241,0.05); }
.upload-area.has-image { border-style: solid; border-color: var(--accent-success); }

.upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-placeholder { font-size: 12px; color: var(--text-muted); }
.upload-preview-img {
  max-width: 100%;
  max-height: 60px;
  object-fit: contain;
  border-radius: var(--r-sm);
}

/* ── Timer Input ── */
.timer-input-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

/* Canvas subtitle preview */
.canvas-subtitle {
  font-size: 11px;
  opacity: 0.65;
  line-height: 1.4;
  margin-top: -4px;
  margin-bottom: 8px;
  padding: 3px 6px;
  border-left: 2px solid rgba(255,255,255,0.3);
}