:root {
  --bg-page: #F7F4EE;
  --bg-surface: #FFFFFF;
  --bg-elevated: #FDFBF7;
  --bg-muted: #EFECE4;
  --bg-dark: #141413;
  --bg-dark-card: #1F1E1B;

  --text-primary: #181715;
  --text-secondary: #57534E;
  --text-muted: #8A847C;
  --text-on-dark: #FAF8F5;

  --brand-primary: #E84324;
  --brand-primary-hover: #CC3417;
  --brand-primary-soft: #FFF0EC;
  --brand-secondary: #D97706;
  --brand-secondary-soft: #FEF3C7;

  --conflict-red: #DC2626;
  --conflict-bg: #FEF2F2;
  --conflict-border: #FCA5A5;

  --warning-amber: #D97706;
  --warning-bg: #FFFBEB;
  --warning-border: #FCD34D;

  --success-green: #059669;
  --success-bg: #ECFDF5;
  --success-border: #6EE7B7;

  --floor-1-color: #2563EB;
  --floor-1-bg: #EFF6FF;
  --floor-2-color: #7C3AED;
  --floor-2-bg: #F5F3FF;
  --floor-3-color: #0D9488;
  --floor-3-bg: #F0FDFA;

  --border-subtle: #E5E0D5;
  --border-strong: #CEC6B6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(24, 23, 21, 0.05);
  --shadow-md: 0 8px 24px rgba(24, 23, 21, 0.08);
  --shadow-lg: 0 16px 40px rgba(24, 23, 21, 0.14);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  padding-bottom: 32px;
  -webkit-font-smoothing: antialiased;
}

/* ==================== HERO HEADER ==================== */
.hero-header {
  background: linear-gradient(135deg, #141413 0%, #231D1A 60%, #2E1B14 100%);
  color: var(--text-on-dark);
  padding: 36px 24px 28px;
  border-bottom: 3px solid var(--brand-primary);
  position: relative;
  overflow: hidden;
}

.hero-header::before {
  content: "叁狂+";
  position: absolute;
  right: -20px;
  top: -30px;
  font-size: 180px;
  font-weight: 900;
  color: rgba(232, 67, 36, 0.07);
  pointer-events: none;
  user-select: none;
  letter-spacing: -6px;
}

.container {
  max-width: min(97vw, 1860px);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

body.fullwidth-mode .container {
  max-width: calc(100vw - 32px);
  padding-left: 12px;
  padding-right: 12px;
}

.hero-top-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.badge-festival {
  background: var(--brand-primary);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.badge-date,
.badge-venue {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #F3EFEA;
  font-size: 13px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
}

.hero-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-title .accent {
  color: #FF6B4A;
}

.hero-subtitle {
  color: #B8B2A8;
  font-size: 14px;
  max-width: 720px;
}

.hero-stats {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  min-width: 110px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.stat-card .stat-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: #FF785A;
  line-height: 1.1;
}

.stat-card .stat-label {
  font-size: 12px;
  color: #C7C2B8;
  margin-top: 4px;
}

.hero-quick-routes {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.route-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.route-label {
  font-size: 12px;
  color: #A8A29E;
  font-weight: 600;
}

.route-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #F5F2EB;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.route-btn:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

/* ==================== STICKY CONTROL PANEL ==================== */
.control-bar-wrap {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  padding: 14px 24px;
}

.control-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.control-top-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

/* View Switcher Tabs */
.view-tabs {
  display: inline-flex;
  background: var(--bg-muted);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.view-tab {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.16s ease;
}

.view-tab:hover {
  color: var(--text-primary);
}

.view-tab.active {
  background: var(--bg-surface);
  color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.view-tab .tab-badge {
  font-size: 11px;
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
  padding: 1px 6px;
  border-radius: 999px;
  font-family: var(--font-mono);
}

/* Search Box */
.search-box-wrap {
  flex: 1;
  min-width: 280px;
  max-width: 520px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 10px 84px 10px 38px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-strong);
  background: var(--bg-surface);
  font-size: 14px;
  color: var(--text-primary);
  transition: all 0.18s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(232, 67, 36, 0.14);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 15px;
  pointer-events: none;
}

.search-clear-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text-primary);
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.search-clear-btn:hover {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #DC2626;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.18);
}

.search-clear-btn.visible {
  display: inline-flex;
}

/* Active Search Highlight Bar & Clear Action */
.active-search-badge-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFF7ED;
  border: 1.5px solid #FDBA74;
  padding: 4px 10px 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  color: #9A3412;
  box-shadow: 0 1px 4px rgba(234, 88, 12, 0.08);
}

.btn-clear-active-search {
  background: #EA580C;
  color: #fff;
  border: none;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.btn-clear-active-search:hover {
  background: #C2410C;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(194, 65, 12, 0.25);
}

.btn-drawer-clear-top {
  border-color: #FECACA;
  background: #FEF2F2;
  color: #DC2626;
  font-weight: 600;
}

.btn-drawer-clear-top:hover {
  background: #DC2626;
  border-color: #DC2626;
  color: #fff;
}

.btn-danger-soft {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #DC2626;
  font-weight: 700;
  transition: all 0.15s ease;
}

.btn-danger-soft:hover {
  background: #DC2626;
  border-color: #DC2626;
  color: #fff;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.22);
}

.btn-header-clear-plan {
  padding: 8px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

#btnResetFilters {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #DC2626;
  font-weight: 700;
  transition: all 0.15s ease;
}

#btnResetFilters:hover {
  background: #DC2626;
  border-color: #DC2626;
  color: #fff;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.2);
}

/* Plan Action Buttons in Header */
.header-plan-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 15px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-muted);
}

.btn-dark {
  background: var(--bg-dark);
  color: #fff;
}

.btn-dark:hover {
  background: #2c2b28;
}

.btn-danger {
  background: var(--conflict-red);
  color: #fff;
  border-color: var(--conflict-red);
}

.btn-danger:hover {
  background: #B91C1C;
  border-color: #B91C1C;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.plan-count-badge {
  background: #fff;
  color: var(--brand-primary);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 12px;
  padding: 1px 7px;
  border-radius: 999px;
}

/* Filter Row */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 4px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-right: 2px;
}

.filter-select {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
}

.filter-chip {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-chip:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.filter-chip.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
  font-weight: 600;
}

.toggle-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}

.toggle-check input {
  accent-color: var(--brand-primary);
  cursor: pointer;
}

/* ==================== HOT SPEAKERS BAR ==================== */
.main-content {
  padding: 20px 24px 40px;
}

.speaker-quick-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.speaker-pills-scroll {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  flex: 1;
}

.speaker-mini-pill {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.speaker-mini-pill:hover,
.speaker-mini-pill.active {
  background: var(--brand-primary-soft);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  font-weight: 600;
}

.speaker-mini-pill .sp-count {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.speaker-mini-pill .sp-mini-title {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== SPEAKER SPOTLIGHT BANNER (WHEN SEARCHING/FILTERING SPEAKER) ==================== */
.speaker-spotlight-banner {
  background: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);
  border: 1.5px solid #FB923C;
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.spotlight-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.spotlight-title {
  font-size: 18px;
  font-weight: 800;
  color: #9A3412;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.spotlight-speaker-title {
  font-size: 12.5px;
  font-weight: 700;
  color: #C2410C;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #FDBA74;
  padding: 2px 10px;
  border-radius: 999px;
}

.co-chip-title {
  font-weight: 500;
  opacity: 0.82;
  font-size: 10.5px;
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spotlight-meta {
  font-size: 13px;
  color: #C2410C;
}

.spotlight-sessions-mini {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}

.spotlight-session-item {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #FDBA74;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spotlight-co-speakers,
.speaker-sess-cospeakers {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
}

.co-speaker-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

.co-speaker-chip {
  border: 1px solid #FDBA74;
  background: #FFF7ED;
  color: #9A3412;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.15s ease;
}

.co-speaker-chip:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

.co-speaker-chip-sm {
  font-size: 11px;
  padding: 1px 7px;
  border-color: var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
}

.co-speaker-empty {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ==================== TIMELINE SCHEDULE VIEW ==================== */
.results-summary-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.time-group-section {
  margin-bottom: 10px;
  scroll-margin-top: 85px;
}

.time-slot-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  position: sticky;
  top: 70px;
  z-index: 20;
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(8px);
  padding: 3px 0;
  border-bottom: 1.5px solid var(--border-strong);
}

.time-slot-badge {
  background: var(--bg-dark);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.time-slot-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 7px;
}

/* Session Card */
.session-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 5px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
  position: relative;
  box-shadow: var(--shadow-sm);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.session-card-body,
.session-card-bottom {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.session-card:hover {
  box-shadow: 0 8px 24px rgba(24, 23, 21, 0.09);
  border-color: var(--border-strong);
}

.session-card.in-plan-primary {
  border-color: #16A34A;
  background: linear-gradient(180deg, #F0FDF4 0%, #FFFFFF 45%);
  box-shadow: 0 4px 18px rgba(22, 163, 74, 0.12);
}

.session-card.in-plan-backup {
  border-color: #D97706;
  border-style: dashed;
  background: linear-gradient(180deg, #FFFDF5 0%, #FFFFFF 45%);
}

.session-card.has-conflict:not(.in-plan-primary):not(.in-plan-backup) {
  border-color: #FECACA;
  background: #FFFDFD;
}

.session-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
  flex-wrap: wrap;
}

.session-meta-left {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.session-code {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 11px;
  color: var(--brand-primary);
  background: var(--brand-primary-soft);
  padding: 1px 5px;
  border-radius: 3px;
}

.session-time-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-muted);
  padding: 1px 6px;
  border-radius: 3px;
}

.venue-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 3px;
}

.venue-badge.floor-1 {
  background: var(--floor-1-bg);
  color: var(--floor-1-color);
}

.venue-badge.floor-2 {
  background: var(--floor-2-bg);
  color: var(--floor-2-color);
}

.venue-badge.floor-3 {
  background: var(--floor-3-bg);
  color: var(--floor-3-color);
}

.session-topic {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}

.session-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  align-items: center;
}

.topic-tag {
  font-size: 10px;
  color: var(--text-secondary);
  background: var(--bg-muted);
  padding: 1px 5px;
  border-radius: 3px;
}

.topic-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  border-width: 1px;
  border-style: solid;
}

.topic-badge-btn:hover {
  filter: brightness(0.92);
  transform: scale(1.02);
}

.topic-filter-bar-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 5px 10px;
}

.topic-filter-scroll {
  display: flex;
  align-items: center;
  gap: 5px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  flex: 1;
  padding: 1px 0;
}

.topic-filter-scroll::-webkit-scrollbar {
  display: none;
}

.topic-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  transition: all 0.16s ease;
  user-select: none;
}

.topic-filter-chip:hover {
  border-color: var(--brand-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.topic-filter-chip.active {
  background: var(--text-primary);
  color: #fff;
  border-color: var(--text-primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.topic-filter-chip .chip-count {
  font-family: var(--font-mono);
  font-size: 10.5px;
  opacity: 0.8;
}

.timeline-view-mode-toggle {
  flex-shrink: 0;
}

/* Topic Group Section in Timeline View */
.topic-group-section {
  margin-bottom: 12px;
}

.topic-group-header {
  border-radius: var(--radius-md);
  padding: 6px 12px;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.topic-group-title {
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.topic-group-desc {
  font-size: 11.5px;
  opacity: 0.85;
  margin-top: 1px;
}

.topic-group-badge-count {
  font-size: 11.5px;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid currentColor;
}

/* Topic Track View (When a topic is selected in timeline) */
.topic-track-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.topic-track-hero-card {
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.topic-track-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.topic-track-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.topic-track-icon {
  font-size: 18px;
  line-height: 1;
}

.topic-track-name {
  font-size: 15px;
  font-weight: 800;
}

.topic-track-count-pill {
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: 999px;
}

.topic-track-planned-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(24, 23, 21, 0.08);
  color: var(--text-primary);
}

.topic-track-desc {
  font-size: 12px;
  line-height: 1.35;
}

.topic-track-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.session-card.flash-highlight {
  outline: 3px solid var(--brand-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(232, 67, 36, 0.25);
  animation: pulseCardHighlight 1.5s ease-out;
}

@keyframes pulseCardHighlight {
  0% { transform: scale(1.02); }
  50% { transform: scale(1); }
  100% { transform: scale(1); }
}

.open-slot-tag {
  font-size: 10px;
  color: #B45309;
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
}

/* Speakers list inside card */
.session-speakers {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px;
}

.speaker-label {
  font-size: 10.5px;
  color: var(--text-muted);
}

.speaker-chip {
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  max-width: 100%;
}

.speaker-chip-name {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.sp-chip-count {
  opacity: 0.65;
  font-size: 9.5px;
}

.speaker-chip-title {
  font-size: 9.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(24, 23, 21, 0.055);
  padding: 0 4px;
  border-radius: 999px;
  max-width: 130px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.speaker-chip:hover,
.speaker-chip.highlighted {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

.speaker-chip:hover .speaker-chip-title,
.speaker-chip.highlighted .speaker-chip-title {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.speaker-title-text {
  font-size: 10.5px;
  font-weight: 600;
  color: #9A3412;
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  padding: 1px 5px;
  border-radius: 3px;
  margin-top: 1px;
  display: inline-block;
  max-width: 100%;
  line-height: 1.35;
}

/* Conflict / Status Banner inside Session Card */
.card-conflict-alert {
  font-size: 10.5px;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  font-weight: 600;
}

.card-conflict-alert.conflict {
  background: var(--conflict-bg);
  color: var(--conflict-red);
  border: 1px solid var(--conflict-border);
}

.card-conflict-alert.tight {
  background: var(--warning-bg);
  color: var(--warning-amber);
  border: 1px solid var(--warning-border);
}

.card-conflict-alert.selected-primary {
  background: var(--success-bg);
  color: var(--success-green);
  border: 1px solid var(--success-border);
}

.card-conflict-alert.selected-backup {
  background: var(--brand-secondary-soft);
  color: #92400E;
  border: 1px solid #FCD34D;
}

.session-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  padding-top: 4px;
  border-top: 1px dashed var(--border-subtle);
}

.btn-plan-toggle {
  flex: 1;
  padding: 4px 8px;
  border-radius: 5px;
  font-size: 11.5px;
  font-weight: 700;
  min-height: 25px;
  cursor: pointer;
  border: 1.5px solid var(--brand-primary);
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.btn-plan-toggle:hover {
  background: var(--brand-primary);
  color: #fff;
}

.btn-plan-toggle.active-primary {
  background: #16A34A;
  border-color: #15803D;
  color: #fff;
}

.btn-plan-toggle.active-primary:hover {
  background: #15803D;
  border-color: #166534;
  color: #fff;
}

.btn-plan-toggle.active-backup {
  background: #FEF3C7;
  border-color: #D97706;
  color: #92400E;
}

.btn-plan-toggle.active-backup:hover {
  background: #FDE68A;
  border-color: #B45309;
  color: #78350F;
}

.btn-plan-conflict {
  border-color: #DC2626;
  background: #FEF2F2;
  color: #DC2626;
}

.btn-plan-conflict:hover {
  background: #DC2626;
  color: #fff;
}

/* ==================== 11-HALL MATRIX GANTT VIEW ==================== */
.matrix-view-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.matrix-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--text-secondary);
  align-items: center;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

:root {
  --matrix-venue-w: 136px;
}

.matrix-scroll-inner {
  width: 100%;
  min-width: max(100%, 1380px);
  position: relative;
}

.matrix-time-ruler {
  display: flex;
  align-items: center;
  height: 34px;
  border-bottom: 2px solid var(--border-strong);
  position: relative;
}

.matrix-corner-col {
  width: var(--matrix-venue-w);
  height: 100%;
  flex-shrink: 0;
  padding: 0 10px;
  background: var(--bg-elevated);
  border-right: 2px solid var(--border-strong);
  display: flex;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  position: sticky;
  left: 0;
  z-index: 35;
  box-shadow: 4px 0 8px -2px rgba(24, 23, 21, 0.08);
}

.matrix-ruler-track {
  flex: 1;
  height: 100%;
  position: relative;
  z-index: 1;
}

.ruler-mark {
  position: absolute;
  top: 7px;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.matrix-row {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--border-subtle);
  min-height: 76px;
}

.matrix-row:hover {
  background: rgba(239, 236, 228, 0.35);
}

.matrix-row:hover .matrix-venue-col {
  background: #F4F0E8;
}

.matrix-venue-col {
  width: var(--matrix-venue-w);
  flex-shrink: 0;
  padding: 10px 10px;
  background: var(--bg-elevated);
  border-right: 2px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: sticky;
  left: 0;
  z-index: 30;
  box-shadow: 4px 0 8px -2px rgba(24, 23, 21, 0.08);
}

.matrix-venue-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.matrix-venue-floor {
  font-size: 11px;
  color: var(--text-muted);
}

.matrix-track {
  flex: 1;
  position: relative;
  z-index: 1;
  background-image: repeating-linear-gradient(
    to right,
    transparent,
    transparent calc(6.666% - 1px),
    rgba(229, 224, 213, 0.6) calc(6.666% - 1px),
    rgba(229, 224, 213, 0.6) 6.666%
  );
}

.matrix-block {
  position: absolute;
  top: 6px;
  bottom: 6px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 6px;
  padding: 5px 7px;
  font-size: 11px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.matrix-block:hover {
  z-index: 25;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 1px var(--brand-primary), 0 4px 14px rgba(232, 67, 36, 0.22);
}

/* Instant Floating Tooltip for 11-Hall Matrix View */
.matrix-hover-tooltip {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 260;
  width: 350px;
  max-width: 90vw;
  background: rgba(20, 20, 19, 0.96);
  backdrop-filter: blur(12px);
  color: #FAF8F5;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 4px solid #16A34A;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.32);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12.5px;
  will-change: transform, opacity;
}

.matrix-hover-tooltip.visible {
  opacity: 1;
  visibility: visible;
}

@media (hover: none) {
  .matrix-hover-tooltip {
    display: none !important;
  }
}

.m-tip-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.m-tip-code {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 12px;
  color: #FF785A;
}

.m-tip-venue {
  font-size: 11.5px;
  font-weight: 600;
  color: #D6D3CD;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 7px;
  border-radius: 5px;
}

.m-tip-topic {
  font-size: 13.5px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.38;
}

.m-tip-speakers-box {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 2px 0;
}

.m-tip-speakers-header {
  font-size: 11px;
  font-weight: 700;
  color: #A8A29E;
  letter-spacing: 0.3px;
}

.m-tip-speakers-rows {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.m-tip-speaker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
}

.m-tip-sp-left {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.m-tip-sp-icon {
  font-size: 11px;
}

.m-tip-sp-name {
  font-weight: 800;
  color: #FFFFFF;
}

.m-tip-sp-count {
  font-size: 10px;
  color: #A8A29E;
}

.m-tip-sp-title {
  font-size: 11px;
  color: #FDBA74;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 190px;
  font-weight: 500;
}

.m-tip-speaker-empty {
  font-size: 11.5px;
  color: #A8A29E;
  padding: 3px 0;
}

.m-tip-open-slot {
  font-size: 10.5px;
  color: #FBBF24;
  padding: 2px 0;
  font-weight: 600;
}

.m-tip-footer {
  padding-top: 5px;
  border-top: 1px dashed rgba(255, 255, 255, 0.14);
  font-size: 11.5px;
  font-weight: 700;
}

.m-tip-status.primary {
  color: #34D399;
}

.m-tip-status.backup {
  color: #FBBF24;
}

.m-tip-status.conflict {
  color: #F87171;
}

.m-tip-status.ok {
  color: #FF8A70;
}

.matrix-block.in-plan-primary {
  background: #16A34A;
  border-color: #15803D;
  color: #fff;
  z-index: 12;
}

.matrix-block.in-plan-backup {
  background: #FEF3C7;
  border: 1.5px dashed #D97706;
  color: #92400E;
  z-index: 11;
}

.matrix-block.conflict-block {
  border-color: #FCA5A5;
  background: #FFF5F5;
  color: #991B1B;
}

.matrix-block-title {
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.32;
  min-height: calc(1.32em * 2);
  max-height: calc(1.32em * 2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.matrix-block-speakers {
  font-size: 10px;
  opacity: 0.85;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

/* ==================== SPEAKERS DIRECTORY VIEW ==================== */
.speakers-directory-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}

.speaker-dir-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.speaker-dir-card.collapsed {
  gap: 0;
}

.speaker-dir-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.speaker-dir-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  padding: 2px 0;
  transition: opacity 0.15s ease;
}

.speaker-dir-top:hover .speaker-name-text {
  color: var(--brand-primary);
}

.speaker-header-info {
  min-width: 0;
  flex: 1;
}

.speaker-name-text {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
}

.speaker-title-text {
  font-size: 11.5px;
  color: #B45309;
  background: #FEF3C7;
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 3px;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.speaker-tags-text {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.speaker-session-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-muted);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.speaker-session-count.multi {
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
}

.speaker-session-count .speaker-toggle-icon {
  font-size: 9px;
  opacity: 0.8;
  display: inline-block;
  transition: transform 0.2s ease;
}

.speaker-session-count.expanded .speaker-toggle-icon {
  transform: rotate(180deg);
}

.speaker-dir-collapse-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-subtle);
  animation: fadeIn 0.2s ease;
}

.speaker-dir-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
}

.speaker-sess-row {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.speaker-sess-row.planned {
  border-color: var(--brand-primary);
  background: #FFF5F2;
}

.speaker-sess-info {
  flex: 1;
  min-width: 0;
}

.speaker-sess-time {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--brand-primary);
  font-size: 11.5px;
}

.speaker-sess-topic {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== FLOATING BOTTOM PLAN BAR (REMOVED) ==================== */
.floating-plan-bar {
  display: none !important;
}

/* ==================== POSTER STYLE SWITCHER CHIPS ==================== */
.badge-style-highlight {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #FEF08A;
  color: #854D0E;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid #FDE047;
}

.poster-style-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.btn-style-chip {
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-style-chip:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-style-chip.active {
  background: #FFD500;
  color: #141414;
  border-color: #EAB308;
  box-shadow: 0 2px 6px rgba(234, 179, 8, 0.28);
}

/* ==================== DRAWER & MODALS ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 14, 13, 0.62);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

/* Plan Drawer on Right */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 14, 13, 0.55);
  backdrop-filter: blur(3px);
  z-index: 90;
  display: none;
  justify-content: flex-end;
}

.drawer-backdrop.open {
  display: flex;
}

.plan-drawer {
  width: 100%;
  max-width: 580px;
  background: var(--bg-page);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.25);
  animation: slideInRight 0.22s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.drawer-header {
  padding: 20px 22px;
  background: var(--bg-dark);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 22px;
}

.drawer-footer {
  padding: 16px 22px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

/* Plan Timeline Items inside Drawer */
.plan-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-transfer-connector {
  margin: 2px 0 2px 18px;
  padding: 6px 12px;
  border-left: 2px dashed var(--border-strong);
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.plan-transfer-connector.conflict-connector {
  border-left: 3px solid var(--conflict-red);
  background: var(--conflict-bg);
  color: var(--conflict-red);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: 700;
}

.plan-transfer-connector.tight-connector {
  border-left: 3px solid var(--warning-amber);
  background: var(--warning-bg);
  color: #B45309;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: 600;
}

.plan-item-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plan-item-card.primary {
  border-left: 5px solid #16A34A;
  background: #FAFCF9;
}

.plan-item-card.backup {
  border-left: 5px dashed #D97706;
  background: #FFFDF7;
}

.plan-item-note-input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 12px;
  background: var(--bg-elevated);
}

/* Conflict Modal Dialog */
.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.modal-card.modal-conflict {
  max-width: 820px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
}

.modal-card.modal-xl {
  max-width: 1020px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
}

/* Custom Alert & Confirm Dialog */
.modal-card.custom-dialog-card {
  max-width: 460px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  animation: dialogPopIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

@keyframes dialogPopIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.custom-dialog-body {
  padding: 22px 24px;
  background: var(--bg-surface);
}

.custom-dialog-text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-word;
}

.custom-dialog-footer {
  padding: 14px 22px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-header {
  padding: 18px 22px;
  background: var(--bg-dark);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 20px 22px;
  overflow-y: auto;
}

.conflict-intro-bar {
  font-size: 13.5px;
  color: var(--text-secondary);
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  line-height: 1.5;
}

.conflict-compare-grid {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 18px;
}

.conflict-left-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.conflict-right-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  position: sticky;
  top: 6px;
}

.conflict-side-card {
  border-radius: var(--radius-md);
  border: 2px solid var(--border-strong);
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.18s ease;
  width: 100%;
}

.conflict-side-card.card-role-primary {
  border-color: #16A34A;
  background: #F0FDF4;
  box-shadow: 0 4px 18px rgba(22, 163, 74, 0.14);
}

.conflict-side-card.card-role-backup {
  border-color: #D97706;
  border-style: dashed;
  background: #FFFDF5;
}

.conflict-side-card.card-role-none {
  border-color: var(--border-subtle);
  background: #F9F8F5;
  opacity: 0.65;
}

.conflict-side-header {
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.18s ease;
}

.conflict-side-header.header-role-primary {
  background: #DCFCE7;
  border-bottom-color: #86EFAC;
}

.conflict-side-header.header-role-backup {
  background: #FEF3C7;
  border-bottom-color: #FDE68A;
}

.conflict-side-header.header-role-none {
  background: var(--bg-elevated);
  border-bottom-color: var(--border-subtle);
}

.side-badge {
  font-size: 12.5px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.side-badge.badge-role-primary {
  color: #15803D;
}

.side-badge.badge-role-backup {
  color: #92400E;
}

.side-badge.badge-role-none {
  color: var(--text-muted);
}

.side-sub {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.conflict-side-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.conflict-sess-detail {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.conflict-sess-divider {
  border: none;
  border-top: 1px dashed #FECACA;
  margin: 4px 0;
}

.conflict-sess-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.conflict-code-time {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
}

.conflict-overlap-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  background: #FEE2E2;
  color: #B91C1C;
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.conflict-new-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  background: #FFEDD5;
  color: #9A3412;
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.conflict-sess-topic {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.4;
}

.conflict-sess-speakers {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.45;
  background: rgba(24, 23, 21, 0.035);
  padding: 6px 10px;
  border-radius: 6px;
}

.conflict-sess-speakers span {
  font-weight: 700;
  color: var(--text-primary);
}

.conflict-vs-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  position: sticky;
  top: 24px;
  align-self: start;
  padding-top: 40px;
}

.vs-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, transparent, var(--border-strong), transparent);
}

.vs-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-dark);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.vs-overlap-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: #DC2626;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  padding: 2px 5px;
  border-radius: 4px;
  text-align: center;
  line-height: 1.2;
}

/* On-Card Role Selector directly inside conflict cards */
.conflict-card-selector-wrap {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
}

.conflict-role-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 7px;
}

.conflict-role-btn-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.conflict-role-pill {
  border: 1.5px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.14s ease;
  white-space: nowrap;
}

.conflict-role-pill:hover {
  transform: translateY(-1px);
  border-color: var(--brand-primary);
}

.conflict-role-pill .pill-check {
  font-weight: 900;
  font-size: 11px;
}

.conflict-role-pill.role-pill-primary.active {
  background: #16A34A;
  border-color: #15803D;
  color: #fff;
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.28);
}

.conflict-role-pill.role-pill-backup.active {
  background: #FEF3C7;
  border-color: #D97706;
  color: #92400E;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.2);
}

.conflict-role-pill.role-pill-none.active {
  background: #78716C;
  border-color: #57534E;
  color: #fff;
  box-shadow: 0 2px 8px rgba(120, 113, 108, 0.25);
}

/* Conflict Resolution Footer */
.conflict-resolution-footer {
  margin-top: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.conflict-summary-preview {
  flex: 1;
  min-width: 260px;
}

.conflict-summary-preview .preview-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-secondary);
}

.conflict-summary-preview .preview-text {
  font-size: 13px;
  color: var(--text-primary);
  margin-top: 2px;
  line-height: 1.5;
}

.conflict-footer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 680px) {
  .conflict-compare-grid {
    grid-template-columns: 1fr;
  }
  .conflict-right-col {
    position: static;
  }
  .conflict-vs-col {
    position: static;
    flex-direction: row;
    padding: 6px 0;
  }
  .vs-line {
    height: 1px;
    width: auto;
  }
  .conflict-resolution-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .conflict-footer-actions {
    justify-content: flex-end;
  }
}

/* ==================== EXPORT / SCHEDULE GENERATOR STUDIO ==================== */
.export-studio-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 860px) {
  .export-studio-grid {
    grid-template-columns: 1fr;
  }
}

.export-controls-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.form-group label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-input {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  font-size: 13px;
}

.export-buttons-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.export-preview-wrap {
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: auto;
  max-height: 70vh;
}

#schedulePosterCanvas {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-msg {
  background: var(--bg-dark);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--brand-primary);
  animation: fadeInDown 0.2s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== MATRIX CONFLICT QUICK ACTION POPUP ==================== */
.matrix-popup-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 14, 13, 0.28);
  backdrop-filter: blur(1px);
  z-index: 105;
  display: none;
}

.matrix-popup-backdrop.open {
  display: block;
}

.matrix-conflict-popup {
  position: absolute;
  background: var(--bg-surface-elevated, #232220);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
  width: 380px;
  max-width: calc(100vw - 32px);
  overflow: hidden;
  animation: popupFadeIn 0.16s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 106;
}

@keyframes popupFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(-4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.m-popup-card {
  padding: 16px 18px 14px;
}

.m-popup-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.m-popup-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.m-popup-code {
  font-family: var(--font-mono, monospace);
  font-size: 13px;
  font-weight: 800;
  background: var(--brand-primary, #E84324);
  color: #fff;
  padding: 2px 7px;
  border-radius: 6px;
}

.m-popup-time {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.m-popup-venue {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: auto;
}

.m-popup-topic {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.m-popup-status-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.m-popup-badge {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
}

.m-popup-badge.badge-primary {
  background: rgba(16, 185, 129, 0.18);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.m-popup-badge.badge-backup {
  background: rgba(2, 132, 199, 0.18);
  color: #38BDF8;
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.m-popup-badge.badge-conflict {
  background: rgba(239, 68, 68, 0.18);
  color: #F87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.m-popup-hint-box {
  font-size: 12px;
  line-height: 1.45;
  padding: 8px 10px;
  border-radius: 8px;
  margin-top: 6px;
}

.m-popup-hint-box.conflict {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #FCA5A5;
}

.m-popup-hint-box.ok {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #6EE7B7;
}

.m-popup-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Exquisite button styling */
.m-popup-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  border: none;
  text-align: left;
  transition: all 0.16s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  position: relative;
  overflow: hidden;
}

.m-popup-btn .btn-icon {
  font-size: 17px;
  line-height: 1;
  flex-shrink: 0;
}

.m-popup-btn .btn-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.m-popup-btn .btn-main-text {
  font-size: 13.5px;
  font-weight: 800;
  line-height: 1.25;
}

.m-popup-btn .btn-sub-text {
  font-size: 11px;
  opacity: 0.85;
  line-height: 1.2;
}

/* Button themes */
.m-popup-btn.btn-upgrade {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.32);
}
.m-popup-btn.btn-upgrade:hover {
  background: linear-gradient(135deg, #34D399 0%, #10B981 100%);
  transform: translateY(-1.5px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.42);
}

.m-popup-btn.btn-replace {
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.32);
}
.m-popup-btn.btn-replace:hover {
  background: linear-gradient(135deg, #FB923C 0%, #F97316 100%);
  transform: translateY(-1.5px);
  box-shadow: 0 6px 18px rgba(234, 88, 12, 0.42);
}

.m-popup-btn.btn-backup {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}
.m-popup-btn.btn-backup:hover {
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  transform: translateY(-1.5px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.4);
}

.m-popup-btn.btn-remove {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.28);
  color: #F87171;
}
.m-popup-btn.btn-remove:hover {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-1.5px);
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.32);
}

.m-popup-btn.btn-cancel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  justify-content: center;
  padding: 8px 12px;
}
.m-popup-btn.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}
  gap: 4px;
}

/* Print Styles */
@media print {
  .hero-quick-routes,
  .control-bar-wrap,
  .speaker-quick-bar,
  .floating-plan-bar,
  .session-card-footer,
  .drawer-backdrop,
  .modal-backdrop,
  .time-jump-bar,
  .back-to-top-btn {
    display: none !important;
  }
  body {
    background: #fff;
    padding-bottom: 0;
  }
}

/* ==================== DESKTOP DEFAULTS FOR NEW INTERACTIVE ELEMENTS ==================== */
body.modal-scroll-lock {
  overflow: hidden;
}

button,
select,
input,
label,
.matrix-block {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.tab-label-short,
.mobile-filter-toggle-btn,
.mobile-filter-collapse-btn,
.btn-text-mobile {
  display: none;
}

.search-and-filter-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 280px;
  max-width: 540px;
}

.search-and-filter-wrap .search-box-wrap {
  flex: 1;
  min-width: 0;
  max-width: none;
}

.filter-selects-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-row.hidden-for-speakers,
.mobile-filter-toggle-btn.hidden-for-speakers {
  display: none !important;
}

/* Quick Time-Slot Jump Strip */
.time-jump-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3px 8px;
  margin-bottom: 6px;
  box-shadow: var(--shadow-sm);
}

.time-jump-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.time-jump-scroll {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 1px 0;
}

.time-jump-scroll::-webkit-scrollbar {
  display: none;
}

.time-jump-pill {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.time-jump-pill:hover,
.time-jump-pill:active {
  border-color: var(--brand-primary);
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
}

.time-jump-pill.has-planned {
  border-color: rgba(232, 67, 36, 0.45);
  background: #FFF5F2;
  color: var(--brand-primary);
}

.time-jump-pill .jump-count {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(24, 23, 21, 0.06);
  padding: 0 4px;
  border-radius: 999px;
}

.time-group-section {
  scroll-margin-top: 85px;
}

/* Floatingplan info sub-wrappers */
.floating-plan-info {
  cursor: pointer;
}

.floating-brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.floating-pills-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.summary-tip-text {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
}

.matrix-summary-sub {
  margin-left: 8px;
  color: var(--text-muted);
}

/* Back to Top Floating Button */
.back-to-top-btn {
  position: fixed;
  right: 20px;
  bottom: 92px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(20, 20, 19, 0.85);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  z-index: 48;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all 0.2s ease;
}

.back-to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--brand-primary);
}

#schedulePosterImg {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

/* ==================== MOBILE & TABLET RESPONSIVE OPTIMIZATIONS ==================== */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  }

  /* 1. Hero Header Compact Layout */
  .hero-header {
    padding: 20px 14px 16px;
  }

  .hero-header::before {
    font-size: 110px;
    right: -10px;
    top: -15px;
  }

  .hero-top-row {
    gap: 14px;
  }

  .hero-title {
    font-size: 24px;
    margin-bottom: 6px;
  }

  .hero-subtitle {
    font-size: 12.5px;
    line-height: 1.45;
  }

  .hero-stats {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .stat-card {
    min-width: 0;
    padding: 8px 6px;
    border-radius: var(--radius-sm);
  }

  .stat-card .stat-num {
    font-size: 18px;
  }

  .stat-card .stat-label {
    font-size: 11px;
    white-space: nowrap;
  }

  /* Horizontal swipe for Inspiration Routes */
  .hero-quick-routes {
    margin-top: 14px;
    padding-top: 12px;
    gap: 8px;
  }

  .route-pills {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .route-pills::-webkit-scrollbar {
    display: none;
  }

  .route-label,
  .route-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* 2. Sticky Control Bar & Collapsible Filter Drawer */
  .control-bar-wrap {
    padding: 10px 12px;
  }

  .control-grid {
    gap: 8px;
  }

  .control-top-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  /* Full-width 3-column View Tabs */
  .view-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 3px;
  }

  .view-tab {
    justify-content: center;
    padding: 7px 6px;
    font-size: 12.5px;
    gap: 4px;
    white-space: nowrap;
  }

  .tab-label-full {
    display: none;
  }

  .tab-label-short {
    display: inline;
  }

  .view-tab .tab-badge {
    font-size: 10px;
    padding: 1px 5px;
  }

  /* Hide redundant top plan buttons on mobile (bottom bar handles it) */
  .header-plan-actions {
    display: none;
  }

  /* Search + Filter Toggle Button in 1 compact row */
  .search-and-filter-wrap {
    width: 100%;
    max-width: none;
    min-width: 0;
    gap: 8px;
  }

  .search-input {
    padding: 8px 34px 8px 34px;
    font-size: 14px;
    border-radius: var(--radius-sm);
  }

  .mobile-filter-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
  }

  .mobile-filter-toggle-btn.is-open,
  .mobile-filter-toggle-btn.has-active-filters {
    border-color: var(--brand-primary);
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
  }

  .mobile-filter-badge {
    background: var(--brand-primary);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 800;
    padding: 0 6px;
    border-radius: 999px;
  }

  /* Collapsible Filter Row on Mobile */
  .filter-row {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 10px 0 4px;
    border-top: 1px dashed var(--border-subtle);
    animation: fadeInDown 0.18s ease;
  }

  .filter-row.mobile-open {
    display: flex;
  }

  .filter-group-scroll {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .filter-group-scroll::-webkit-scrollbar {
    display: none;
  }

  .filter-group-scroll .filter-label,
  .filter-group-scroll .filter-chip {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .filter-selects-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    width: 100%;
  }

  .filter-selects-wrap .filter-group {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .filter-selects-wrap .filter-select {
    width: 100%;
    font-size: 12.5px;
    padding: 7px 8px;
  }

  .filter-toggles-group {
    margin-left: 0 !important;
    width: 100%;
    justify-content: flex-start;
  }

  .mobile-filter-collapse-btn {
    display: inline-flex;
    margin-left: auto;
  }

  /* 3. Main Content & Cards */
  .main-content {
    padding: 12px 12px 32px;
  }

  .speaker-quick-bar {
    padding: 10px 12px;
    margin-bottom: 12px;
    gap: 8px;
  }

  .speaker-pills-scroll {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    width: 100%;
    padding-bottom: 2px;
  }

  .speaker-pills-scroll::-webkit-scrollbar {
    display: none;
  }

  .speaker-mini-pill {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .speaker-spotlight-banner {
    padding: 14px;
    margin-bottom: 14px;
    border-radius: var(--radius-md);
  }

  .spotlight-title {
    font-size: 15.5px;
    flex-wrap: wrap;
  }

  .spotlight-sessions-mini {
    grid-template-columns: 1fr;
  }

  .results-summary-bar {
    margin-bottom: 6px;
    font-size: 11.5px;
  }

  .summary-tip-text {
    display: none;
  }

  .matrix-summary-sub {
    display: block;
    margin-left: 0;
    margin-top: 2px;
    font-size: 11px;
  }

  .topic-filter-bar-wrap {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 5px 8px;
  }

  .timeline-view-mode-toggle {
    width: 100%;
  }

  .timeline-view-mode-toggle .btn {
    width: 100%;
    justify-content: center;
  }

  .time-group-section {
    scroll-margin-top: 90px;
    margin-bottom: 10px;
  }

  .time-slot-header {
    padding: 3px 6px;
    gap: 6px;
    top: 96px;
  }

  .time-slot-sub {
    font-size: 11px;
  }

  .sessions-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .session-card {
    padding: 8px 10px;
    gap: 5px;
    border-radius: 8px;
  }

  .session-topic {
    font-size: 13.5px;
  }

  .speaker-chip {
    padding: 2px 7px;
    font-size: 11px;
  }

  .btn-plan-toggle {
    padding: 6px 10px;
    font-size: 12px;
    min-height: 28px;
  }

  /* 4. 11-Hall Matrix View on Mobile */
  .matrix-view-container {
    padding: 10px;
    border-radius: var(--radius-md);
  }

  .matrix-legend {
    gap: 10px;
    font-size: 11px;
    margin-bottom: 10px;
  }

  .matrix-corner-col,
  .matrix-venue-col {
    width: 96px;
    padding: 6px 8px;
  }

  .matrix-venue-name {
    font-size: 12px;
  }

  .matrix-venue-floor {
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* 5. Speakers Directory on Mobile */
  .speakers-directory-header {
    gap: 10px;
    margin-bottom: 12px;
  }

  .speakers-directory-header .filter-group {
    width: 100%;
  }

  .speakers-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .speaker-dir-card {
    padding: 14px;
  }

  /* 6. Compact Thumb-Friendly Floating Bottom Plan Bar */
  .floating-plan-bar {
    bottom: 0;
    left: 0;
    transform: none;
    width: 100%;
    max-width: none;
    border-radius: 18px 18px 0 0;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    gap: 8px;
    border-left: none;
    border-right: none;
    border-bottom: none;
  }

  .floating-plan-info {
    flex: 1;
    min-width: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .floating-brand-title {
    gap: 5px;
  }

  .floating-brand-title strong {
    font-size: 13px !important;
  }

  .floating-pills-wrap {
    gap: 6px;
  }

  .floating-hours-pill {
    display: none;
  }

  .floating-stat-pill,
  .floating-ok-pill,
  .floating-conflict-pill {
    font-size: 11px;
    padding: 2px 8px;
  }

  .floating-plan-actions {
    gap: 6px;
    flex-shrink: 0;
  }

  .btn-text-desktop {
    display: none;
  }

  .btn-text-mobile {
    display: inline;
  }

  .floating-plan-actions .btn {
    padding: 8px 11px !important;
    font-size: 12px !important;
    border-radius: 10px;
  }

  .back-to-top-btn {
    right: 14px;
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  /* 7. Bottom-Sheet Modals & Full-Screen Drawer on Mobile */
  .drawer-header {
    padding: 16px;
  }

  .drawer-body {
    padding: 14px;
    -webkit-overflow-scrolling: touch;
  }

  .drawer-footer {
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom, 0px));
  }

  .drawer-footer > .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }

  .modal-card,
  .modal-card.modal-conflict,
  .modal-card.modal-xl,
  .modal-card.custom-dialog-card {
    max-width: 100%;
    max-height: 90dvh;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    animation: slideUpSheet 0.22s ease;
  }

  .custom-dialog-footer {
    padding: 12px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  }

  @keyframes slideUpSheet {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }

  .modal-header {
    padding: 14px 16px;
  }

  .modal-header h3 {
    font-size: 15.5px !important;
  }

  .modal-body {
    padding: 14px 16px calc(18px + env(safe-area-inset-bottom, 0px));
    -webkit-overflow-scrolling: touch;
  }

  /* Show <img> instead of <canvas> on mobile for native long-press save to photos */
  #schedulePosterImg {
    display: block !important;
  }

  #schedulePosterCanvas {
    display: none !important;
  }

  .export-preview-wrap {
    max-height: none;
    padding: 12px;
  }

  .toast-container {
    top: 12px;
    left: 12px;
    right: 12px;
  }

  .toast-msg {
    font-size: 12.5px;
    padding: 9px 12px;
  }

  .matrix-popup-backdrop.open {
    display: flex;
    align-items: flex-end;
    padding: 0;
  }

  .matrix-conflict-popup {
    position: relative !important;
    width: 100% !important;
    max-width: 100% !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    bottom: 0 !important;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    animation: slideUpSheet 0.22s ease;
    padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 12px));
    background: var(--bg-surface);
  }

  .m-popup-card {
    padding: 0;
    background: transparent;
  }

  .m-popup-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .m-popup-btn {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
  }
}