/* ==========================================================================
   ATX ROX & CUSTOM EVENT SCHEDULE ENGINE - DESIGN SYSTEM & STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (THEME TOKENS)
   -------------------------------------------------------------------------- */
:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Theme Presets Defaults: ATX ROX Magical Westie */
  --bg-color: #0d0b1a;
  --bg-gradient: radial-gradient(circle at 50% 0%, #20153d 0%, #0d0b1a 70%);
  --card-bg: rgba(24, 21, 46, 0.75);
  --card-bg-hover: rgba(35, 30, 66, 0.9);
  --card-border: rgba(255, 255, 255, 0.08);
  
  --primary-color: #ff2a85;
  --primary-glow: rgba(255, 42, 133, 0.35);
  --secondary-color: #00f0ff;
  --secondary-glow: rgba(0, 240, 255, 0.25);
  --accent-gold: #ffd700;

  /* Color-Coded Day Tokens */
  --day1-color: #a855f7; /* Magical Purple for Friday */
  --day2-color: #00f0ff; /* Electric Cyan / Turquoise for Saturday */
  --day3-color: #ff2a85; /* Vibrant Pink for Sunday */
  --day4-color: #ffd700; /* Warm Gold for Day 4+ */

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 8px 32px rgba(255, 42, 133, 0.2);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme Variant Classes */
body.theme-cyberpunk {
  --bg-color: #05050a;
  --bg-gradient: radial-gradient(circle at 50% 0%, #0c1a12 0%, #05050a 70%);
  --card-bg: rgba(12, 20, 16, 0.85);
  --primary-color: #00ff66;
  --primary-glow: rgba(0, 255, 102, 0.3);
  --secondary-color: #ff0055;
  --secondary-glow: rgba(255, 0, 85, 0.25);
}

body.theme-minimalist {
  --bg-color: #f8fafc;
  --bg-gradient: linear-gradient(180deg, #f1f5f9 0%, #ffffff 100%);
  --card-bg: #ffffff;
  --card-bg-hover: #f1f5f9;
  --card-border: #e2e8f0;
  --primary-color: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --secondary-color: #0f172a;
  --secondary-glow: rgba(15, 23, 42, 0.1);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
}

body.theme-vibrant {
  --bg-color: #1e1b4b;
  --bg-gradient: radial-gradient(circle at 50% 0%, #3730a3 0%, #1e1b4b 70%);
  --card-bg: rgba(30, 27, 75, 0.8);
  --primary-color: #f59e0b;
  --primary-glow: rgba(245, 158, 11, 0.35);
  --secondary-color: #ef4444;
  --secondary-glow: rgba(239, 68, 68, 0.25);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE STYLES
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   3. HEADER & HERO BANNER
   -------------------------------------------------------------------------- */
.app-header {
  position: relative;
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
  background: rgba(13, 11, 26, 0.4);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  overflow: hidden;
}

.header-overlay {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.header-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary-color);
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary-color);
  animation: pulse-glow 1.5s infinite alternate;
}

@keyframes pulse-glow {
  0% { opacity: 0.4; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1.3); }
}

.event-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 30%, var(--primary-color) 70%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.event-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

/* Sync Controls Bar */
.sync-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  max-width: 950px;
  margin: 0 auto;
}

.sync-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.sync-icon {
  color: var(--secondary-color);
}

.sync-icon.spinning {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.sync-interval {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.header-actions {
  display: flex;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   4. BUTTONS & UI CONTROLS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #d91669);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. NAVIGATION & TOOLBAR SECTION
   -------------------------------------------------------------------------- */
.app-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

.navigation-section {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding: 0.75rem 0;
  background: rgba(13, 11, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}

/* Day Tabs Bar */
.tabs-scroll-container {
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
}

.day-tabs {
  display: inline-flex;
  gap: 0.6rem;
  padding: 0.4rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  min-width: max-content;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.tab-btn.active {
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

/* Color-Coded Day Tabs */
.tab-btn[data-day="FRIYAY"].active,
.tab-btn[data-day="FRIDAY"].active,
.tab-btn[data-day-code="day1"].active {
  background: var(--day1-color);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(168, 85, 247, 0.4);
}

.tab-btn[data-day="SATURYAY"].active,
.tab-btn[data-day="SATURDAY"].active,
.tab-btn[data-day-code="day2"].active {
  background: var(--day2-color);
  color: #0d0b1a;
  box-shadow: 0 4px 16px rgba(0, 240, 255, 0.4);
}

.tab-btn[data-day="SUNYAY"].active,
.tab-btn[data-day="SUNDAY"].active,
.tab-btn[data-day-code="day3"].active {
  background: var(--day3-color);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(255, 42, 133, 0.4);
}

.tab-btn[data-day-code="day4"].active {
  background: var(--day4-color);
  color: #0d0b1a;
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
}

/* Toolbar: Search, Filters & View Toggle */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.search-box {
  position: relative;
  flex: 1 1 300px;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-dim);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.75rem 2.5rem 0.75rem 2.75rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 16px var(--secondary-glow);
}

.clear-search {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

.select-input {
  padding: 0.75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

.select-input option {
  background: var(--bg-color);
  color: var(--text-main);
}

/* View Mode Switcher */
.view-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.25rem;
  gap: 0.25rem;
}

.view-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.view-btn:hover {
  color: var(--text-main);
}

.view-btn.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--secondary-color);
}

/* Category Pills */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-btn {
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.pill-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.pill-btn.active {
  background: var(--secondary-color);
  color: #0d0b1a;
  border-color: var(--secondary-color);
  font-weight: 700;
  box-shadow: 0 0 12px var(--secondary-glow);
}

/* --------------------------------------------------------------------------
   6. AGENDA LIST VIEW (TIMELINE CARDS)
   -------------------------------------------------------------------------- */
.agenda-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.day-header-banner {
  padding: 1rem 1.5rem;
  background: linear-gradient(90deg, rgba(255, 42, 133, 0.15) 0%, transparent 100%);
  border-left: 6px solid var(--primary-color);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  scroll-margin-top: 180px; /* Offset for smooth scroll positioning */
}

/* Color-Coded Day Banners */
.day-header-banner[data-day="FRIYAY"],
.day-header-banner[data-day="FRIDAY"],
.day-header-banner[data-day-code="day1"] {
  background: linear-gradient(90deg, rgba(168, 85, 247, 0.22) 0%, transparent 100%);
  border-left: 6px solid var(--day1-color);
}

.day-header-banner[data-day="SATURYAY"],
.day-header-banner[data-day="SATURDAY"],
.day-header-banner[data-day-code="day2"] {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.22) 0%, transparent 100%);
  border-left: 6px solid var(--day2-color);
}

.day-header-banner[data-day="SUNYAY"],
.day-header-banner[data-day="SUNDAY"],
.day-header-banner[data-day-code="day3"] {
  background: linear-gradient(90deg, rgba(255, 42, 133, 0.22) 0%, transparent 100%);
  border-left: 6px solid var(--day3-color);
}

.day-header-banner[data-day-code="day4"] {
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.22) 0%, transparent 100%);
  border-left: 6px solid var(--day4-color);
}

.day-header-banner h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
  text-transform: uppercase;
}

.session-card {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 5px solid var(--primary-color); /* Default left margin accent strip */
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Color-Coded Session Card Left Margin Strips */
.session-card[data-day="FRIYAY"],
.session-card[data-day="FRIDAY"],
.session-card[data-day-code="day1"] {
  border-left: 5px solid var(--day1-color) !important;
}

.session-card[data-day="SATURYAY"],
.session-card[data-day="SATURDAY"],
.session-card[data-day-code="day2"] {
  border-left: 5px solid var(--day2-color) !important;
}

.session-card[data-day="SUNYAY"],
.session-card[data-day="SUNDAY"],
.session-card[data-day-code="day3"] {
  border-left: 5px solid var(--day3-color) !important;
}

.session-card[data-day-code="day4"] {
  border-left: 5px solid var(--day4-color) !important;
}

.session-card:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Card Left Column: Time & Icon */
.session-time-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  border-right: 1px solid var(--card-border);
  padding-right: 1rem;
}

.session-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.session-time {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--secondary-color);
  letter-spacing: -0.01em;
}

.badge-concurrent {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--primary-color);
  background: rgba(255, 42, 133, 0.12);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 42, 133, 0.3);
  margin-top: 0.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

/* Card Right Column: Main Details */
.session-main-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.session-top-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.badge-format {
  padding: 0.2rem 0.6rem;
  background: rgba(255, 42, 133, 0.15);
  border: 1px solid rgba(255, 42, 133, 0.3);
  border-radius: var(--radius-sm);
  color: var(--primary-color);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-room {
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-room i {
  color: var(--accent-gold);
  margin-right: 0.25rem;
}

.session-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.session-artists {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.session-scoop {
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--secondary-color);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   7. GOOGLE SHEET GRID TABLE VIEW
   -------------------------------------------------------------------------- */
.grid-table-wrapper {
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.sheet-grid-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
  font-size: 0.875rem;
}

.sheet-grid-table thead th,
.sheet-grid-table th {
  position: sticky;
  top: var(--nav-height, 140px); /* Dynamically docks right underneath the sticky navigation bar */
  z-index: 95;
  padding: 1rem;
  background: #0d0b1a !important; /* Solid dark background to prevent row bleed */
  color: var(--secondary-color);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--secondary-color);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.7);
}

.sheet-grid-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-main);
}

.sheet-grid-table tr:hover td {
  background: rgba(255, 255, 255, 0.04);
}

.sheet-grid-table .day-section-row td {
  background: linear-gradient(90deg, rgba(255, 42, 133, 0.2) 0%, transparent 100%);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-color);
  text-transform: uppercase;
  padding: 1rem;
}

/* --------------------------------------------------------------------------
   8. MODALS & DRAWERS
   -------------------------------------------------------------------------- */
.hidden {
  display: none !important;
}

.modal-backdrop, .drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-card {
  width: 100%;
  max-width: 680px;
  background: var(--bg-color);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-card-sm {
  max-width: 480px;
}

.modal-header, .drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.02);
}

.modal-header h2, .drawer-header h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.modal-close, .drawer-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover, .drawer-close:hover {
  color: var(--primary-color);
}

.modal-body, .drawer-body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: 70vh;
}

.modal-footer, .drawer-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
}

/* Code Snippet Box */
.code-preview-box {
  margin-top: 1rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.code-textarea {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1rem;
  color: var(--secondary-color);
  font-family: monospace;
  font-size: 0.85rem;
  resize: none;
  outline: none;
}

/* Theme Customizer Drawer */
.drawer-backdrop {
  justify-content: flex-end;
}

.drawer-panel {
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: var(--bg-color);
  border-left: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.text-input {
  padding: 0.65rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  outline: none;
}

.color-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-picker-wrapper input[type="color"] {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: none;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.preset-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 600;
}

.preset-card.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 12px var(--primary-glow);
}

.preset-swatch {
  width: 100%;
  height: 30px;
  border-radius: 6px;
}

.drawer-divider {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 1.5rem 0;
}

/* --------------------------------------------------------------------------
   9. STATES & FOOTER
   -------------------------------------------------------------------------- */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
  text-align: center;
  gap: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
}

.spinner-large {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.error-icon, .empty-icon {
  font-size: 3rem;
  color: var(--primary-color);
}

.app-footer {
  border-top: 1px solid var(--card-border);
  background: rgba(0,0,0,0.4);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.footer-links a {
  color: var(--secondary-color);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   10. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .session-card {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .session-time-col {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    border-right: none;
    border-bottom: 1px solid var(--card-border);
    padding-right: 0;
    padding-bottom: 0.6rem;
  }

  .sync-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}

/* --------------------------------------------------------------------------
   11. DAY SCOOP BANNER & SPONSORS SHOWCASE
   -------------------------------------------------------------------------- */
.day-scoop-banner {
  padding: 1rem 1.25rem;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(12px);
}

.day-scoop-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--secondary-color);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.day-scoop-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.day-scoop-list li {
  font-size: 0.875rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.day-scoop-list li i {
  color: var(--accent-gold);
  font-size: 0.9rem;
}

.sponsors-section {
  margin-top: 1.25rem;
}

.sponsors-bar {
  padding: 1.25rem 1.5rem;
  background: rgba(13, 11, 26, 0.6);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
}

.sponsors-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.sponsor-card {
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sponsor-card:hover {
  background: rgba(255, 42, 133, 0.15);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

.sponsor-card i {
  color: var(--accent-gold);
}

.sponsor-card img {
  max-height: 28px;
  object-fit: contain;
}

.grid-scoop-highlight {
  background: rgba(255, 215, 0, 0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border-left: 2px solid var(--accent-gold);
}

/* ==========================================================================
   PUBLIC EMBED MODE & ADMIN DASHBOARD STYLES
   ========================================================================== */

/* Hide Director/Admin Controls on Public Attendee Embed Mode */
body.is-public-mode .sync-bar,
body.is-public-mode .header-actions,
body.is-public-mode #btnOpenEmbedModal,
body.is-public-mode #btnOpenThemeDrawer,
body.is-public-mode #btnSyncNow {
  display: none !important;
}

body.is-public-mode .app-header {
  padding: 1.75rem 1.5rem 1.25rem;
}

/* Admin Portal Layout */
.admin-body {
  background: #090714;
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
}

.admin-header {
  padding: 1.5rem 2rem;
  background: rgba(13, 11, 26, 0.9);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-header-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.admin-header-title i {
  color: var(--primary-color);
}

.admin-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 2rem;
}

@media (max-width: 1024px) {
  .admin-main {
    grid-template-columns: 1fr;
  }
}

.admin-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(16px);
  margin-bottom: 1.5rem;
}

.admin-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.75rem;
}

.admin-card-title i {
  color: var(--secondary-color);
}

.event-item-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.event-item-card:hover,
.event-item-card.active {
  background: rgba(255, 42, 133, 0.12);
  border-color: var(--primary-color);
}

.event-item-info h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.event-item-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.preview-frame-wrapper {
  width: 100%;
  height: 780px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.preview-frame {
  width: 100%;
  height: 100%;
  border: none;
}