/* ═══════════════════════════════════════════
   DASHBOARD — Presenter Home
═══════════════════════════════════════════ */

/* ── Auth redesign — two separate screens ── */

/* ── Presenter Login ── */
.auth-split {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-app);
}

.auth-left {
  flex: 1;
  position: relative;
  background: linear-gradient(145deg, #1e1b4b 0%, #3730a3 45%, #4f46e5 80%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 60px;
}

.auth-left-inner {
  position: relative;
  z-index: 2;
  max-width: 440px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.auth-brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.auth-brand-name {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}
.auth-brand-name span {
  color: var(--accent-primary);
  margin-left: 2px;
}

.auth-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 20px;
}

.auth-headline-accent {
  background: linear-gradient(90deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 36px;
}

.auth-feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
}

.auth-feature-icon {
  width: 22px;
  height: 22px;
  background: rgba(99,102,241,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a78bfa;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.auth-left-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.auth-orb-1 { width: 400px; height: 400px; background: radial-gradient(circle, #6366f1, transparent); top: -100px; right: -100px; }
.auth-orb-2 { width: 300px; height: 300px; background: radial-gradient(circle, #8b5cf6, transparent); bottom: -80px; left: 20px; }

/* ── Right Panel ── */
.auth-right {
  width: 480px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--bg-app);
  overflow-y: auto;
}

.auth-card {
  width: 100%;
  max-width: 380px;
}

.auth-card-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 32px;
}
.auth-card-logo span { color: var(--accent-primary); }
.auth-card-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.auth-card-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.auth-card-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.5;
}

.auth-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--r-md);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--accent-danger);
  margin-bottom: 12px;
}

.auth-submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.input-icon-right {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-muted);
  padding: 0;
  line-height: 1;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 12px;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.auth-switch-text {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

.auth-link-btn {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.auth-link-btn:hover { color: var(--accent-secondary); }

/* ── Participant Join Screen ── */
.join-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-app);
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.join-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl, 20px);
  padding: 48px 40px;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
}

.join-header {
  text-align: center;
  margin-bottom: 32px;
}

.join-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.join-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.join-logo-name { font-size: 18px; font-weight: 800; }
.join-logo-name span { color: var(--accent-primary); }

.join-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.join-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.join-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  pointer-events: none;
}
.join-shape-1 { width: 500px; height: 500px; background: var(--accent-primary); top: -200px; right: -200px; }
.join-shape-2 { width: 400px; height: 400px; background: var(--accent-secondary); bottom: -150px; left: -150px; }

/* ═══════════════════════════════════════════
   DASHBOARD LAYOUT
═══════════════════════════════════════════ */

.dash-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-app);
}

/* ── Sidebar ── */
.dash-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface-1);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow-y: auto;
}

.dash-sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  flex-shrink: 0;
}

.dash-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.dash-logo-text span { color: var(--accent-primary); }

.dash-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dash-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  text-decoration: none;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.dash-nav-item:hover { background: var(--surface-hover); color: var(--text-primary); }
.dash-nav-item.active {
  background: rgba(99,102,241,0.15);
  color: var(--accent-primary);
  font-weight: 600;
}

.dash-nav-icon { font-size: 16px; flex-shrink: 0; }

.dash-sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.dash-user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--r-md);
  background: var(--surface-2);
}

.dash-user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.dash-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dash-user-role {
  font-size: 11px;
  color: var(--text-muted);
}

.dash-signout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  background: transparent;
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--r-md);
  color: var(--accent-danger);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
}
.dash-signout-btn:hover { background: rgba(239,68,68,0.1); }

/* ── Main ── */
.dash-main {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-1);
  flex-shrink: 0;
  gap: 16px;
  flex-wrap: wrap;
}

.dash-welcome {
  font-size: 16px;
  color: var(--text-secondary);
}
.dash-welcome strong { color: var(--text-primary); }

.dash-session-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-full);
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-secondary);
}
.dash-session-pill strong {
  font-family: var(--font-mono);
  color: var(--text-accent);
  font-size: 14px;
  letter-spacing: 0.1em;
}

.dash-session-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-success);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.dash-copy-btn, .dash-qr-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: background var(--t-fast);
}
.dash-copy-btn:hover, .dash-qr-btn:hover { background: var(--surface-hover); }

/* ── Quick Actions ── */
.dash-actions-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 32px 0;
}

.dash-action-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  cursor: pointer;
  transition: all var(--t-fast);
  text-align: left;
}
.dash-action-card:hover {
  border-color: var(--border-accent);
  background: var(--surface-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.dash-action-primary {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
  border-color: rgba(99,102,241,0.3);
}
.dash-action-primary:hover {
  background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(139,92,246,0.2));
  border-color: var(--accent-primary);
}

.dash-action-icon { font-size: 24px; margin-bottom: 4px; }
.dash-action-label { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.dash-action-sub { font-size: 12px; color: var(--text-muted); }

/* ── Content Grid ── */
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  padding: 20px 32px 32px;
}

.dash-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.dash-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.dash-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ── Slides Preview ── */
.dash-slides-preview {
  display: flex;
  gap: 12px;
  padding: 20px;
  overflow-x: auto;
  flex-wrap: nowrap;
}

.dash-slide-thumb {
  flex-shrink: 0;
  width: 160px;
  min-height: 100px;
  border-radius: var(--r-lg);
  padding: 14px;
  cursor: pointer;
  transition: all var(--t-fast);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.dash-slide-thumb:hover {
  transform: translateY(-3px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.dash-slide-num {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dash-slide-q {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  line-height: 1.4;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.dash-slide-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

.dash-slide-more {
  flex-shrink: 0;
  width: 80px;
  min-height: 100px;
  border-radius: var(--r-lg);
  background: var(--surface-3);
  border: 2px dashed var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

.dash-empty {
  padding: 32px 20px;
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  width: 100%;
}

/* ── Stats Grid ── */
.dash-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-subtle);
}

.dash-stat {
  padding: 20px;
  background: var(--surface-2);
  text-align: center;
}

.dash-stat-value {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-family: var(--font-mono);
}

.dash-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .auth-left { display: none; }
  .auth-right { width: 100%; }
  .dash-actions-row { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
}

/* ── Nav badge ── */
.dash-nav-badge {
  margin-left: auto;
  background: rgba(99,102,241,0.2);
  color: var(--accent-primary);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
}

/* ── Active badge ── */
.dash-active-badge {
  display: inline-block;
  background: rgba(5,150,105,0.12);
  color: var(--accent-success);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 6px;
  vertical-align: middle;
}

/* ── Session code badge ── */
.dash-code-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-accent);
  background: rgba(79,70,229,0.08);
  border: 1px solid rgba(79,70,229,0.15);
  padding: 1px 7px;
  border-radius: 5px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ══════════════════════════════════════
   PRESENTATIONS LIST (Home tab)
══════════════════════════════════════ */
.dash-pres-list {
  display: flex;
  flex-direction: column;
  padding: 8px 0;
}

.dash-pres-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--t-fast);
}
.dash-pres-row:last-child { border-bottom: none; }
.dash-pres-row:hover { background: var(--surface-hover); }
.dash-pres-row.active { background: rgba(99,102,241,0.06); }

.dash-pres-thumb {
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.dash-pres-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.dash-pres-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.dash-pres-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.dash-pres-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 5px 9px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
}
.dash-pres-btn:hover {
  background: var(--surface-3);
  color: var(--text-primary);
  border-color: var(--border-accent);
}
.dash-pres-btn-danger:hover {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.3);
  color: var(--accent-danger);
}

/* ══════════════════════════════════════
   PRESENTATIONS GRID (All Presentations tab)
══════════════════════════════════════ */
.dash-pres-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.dash-pres-card {
  background: var(--surface-2);
  border: 2px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all var(--t-fast);
}
.dash-pres-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.dash-pres-card.active {
  border-color: var(--accent-primary);
  background: rgba(99,102,241,0.06);
}

.dash-pres-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dash-pres-card-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dash-pres-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dash-pres-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.dash-pres-card-date {
  font-size: 11px;
  color: var(--text-muted);
}

.dash-pres-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.dash-pres-card-actions .btn { flex: 1; justify-content: center; }

.dash-pres-card-more {
  display: flex;
  gap: 6px;
}

/* ══════════════════════════════════════
   EMPTY STATE
══════════════════════════════════════ */
.dash-empty-state {
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dash-empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }
.dash-empty-title { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.dash-empty-sub { font-size: 13px; color: var(--text-muted); }

/* ══════════════════════════════════════
   MODAL
══════════════════════════════════════ */
.dash-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.dash-modal-backdrop.hidden { display: none; }

.dash-modal {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl, 0 24px 64px rgba(0,0,0,0.4));
}

.dash-modal-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.dash-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}