/* ==========================================================================
   Design Tokens & Theme Variables
   ========================================================================== */
:root {
  /* Common Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Smooth Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Track Colors (HSL) */
  --color-ceremony: 200, 95%, 50%;     /* Sky Blue */
  --color-keynote: 270, 85%, 65%;      /* Purple/Indigo */
  --color-technical: 155, 80%, 45%;    /* Emerald Green */
  --color-panel: 35, 95%, 55%;         /* Amber Gold */
  --color-networking: 335, 90%, 60%;   /* Rose Pink */
  
  /* Modal Overlay Background */
  --overlay-bg: rgba(4, 6, 12, 0.7);
}

/* ==========================================================================
   Dark Theme (Default)
   ========================================================================== */
body[data-theme="dark"] {
  --bg-primary: #080c14;
  --bg-secondary: #0d1321;
  --bg-glass: rgba(13, 19, 33, 0.65);
  --bg-glass-hover: rgba(20, 29, 51, 0.8);
  --bg-input: rgba(8, 12, 20, 0.8);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.18);
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --shadow-color: rgba(0, 0, 0, 0.5);
  --glow-opacity: 0.45;
  
  --accent-color: #8b5cf6; /* Indigo/Purple */
  --accent-glow: rgba(139, 92, 246, 0.3);
  
  /* Gradient backgrounds */
  --gradient-orb-1: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  --gradient-orb-2: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --timeline-line-color: rgba(255, 255, 255, 0.1);
  --node-outline-color: #080c14;
  
  /* Hero Badge (White theme) */
  --badge-color: #ffffff;
  --badge-border: rgba(255, 255, 255, 0.4);
  --badge-bg: rgba(8, 12, 20, 0.65);
  --badge-glow: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   Light Theme
   ========================================================================== */
body[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-glass-hover: rgba(255, 255, 255, 0.9);
  --bg-input: #ffffff;
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-color-hover: rgba(15, 23, 42, 0.15);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #475569;
  
  --shadow-color: rgba(15, 23, 42, 0.06);
  --glow-opacity: 0.15;
  
  --accent-color: #6d28d9; /* Deep violet */
  --accent-glow: rgba(109, 40, 217, 0.15);
  
  --gradient-orb-1: radial-gradient(circle, rgba(109, 40, 217, 0.06) 0%, rgba(0, 0, 0, 0) 75%);
  --gradient-orb-2: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, rgba(0, 0, 0, 0) 75%);
  
  --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 16px -6px rgba(15, 23, 42, 0.04);
  --timeline-line-color: rgba(15, 23, 42, 0.1);
  --node-outline-color: #f8fafc;
  
  /* Adjusted Track Colors for Light Mode (higher contrast) */
  --color-ceremony: 200, 95%, 40%;
  --color-keynote: 270, 85%, 50%;
  --color-technical: 155, 80%, 35%;
  --color-panel: 35, 95%, 45%;
  --color-networking: 335, 90%, 50%;
  
  --overlay-bg: rgba(15, 23, 42, 0.4);
  
  /* Hero Badge (Black theme) */
  --badge-color: #0f172a;
  --badge-border: rgba(15, 23, 42, 0.4);
  --badge-bg: rgba(255, 255, 255, 0.75);
  --badge-glow: rgba(15, 23, 42, 0.08);
}

/* Light Mode High-Contrast Accessibility Overrides */
body[data-theme="light"] ::placeholder {
  color: #475569;
  opacity: 1;
}

body[data-theme="light"] input {
  color: #0f172a;
  font-weight: 500;
}


/* ==========================================================================
   Base Layout & Reset
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  line-height: 1.5;
}

/* Cosmic Background Orbs */
.stars-bg {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(1px 1px at 20px 30px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 150px 80px, rgba(255,255,255,0.8), rgba(0,0,0,0)),
    radial-gradient(1px 1px at 300px 240px, rgba(255,255,255,0.6), rgba(0,0,0,0)),
    radial-gradient(2px 2px at 450px 120px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 600px 350px, rgba(255,255,255,0.4), rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 750px 180px, rgba(255,255,255,0.7), rgba(0,0,0,0));
  background-repeat: repeat;
  background-size: 800px 800px;
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

body[data-theme="light"] .stars-bg {
  opacity: 0.02;
}

.glowing-orb-1, .glowing-orb-2 {
  position: fixed;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  pointer-events: none;
  z-index: -2;
  transition: background var(--transition-normal);
}

.glowing-orb-1 {
  top: -20%;
  left: -10%;
  background: var(--gradient-orb-1);
}

.glowing-orb-2 {
  bottom: -20%;
  right: -10%;
  background: var(--gradient-orb-2);
}

/* Glassmorphism Panel Helper */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  transition: 
    background-color var(--transition-normal), 
    border-color var(--transition-normal), 
    box-shadow var(--transition-normal);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   Header Styles
   ========================================================================== */
.app-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.brand-logo {
  width: 44px;
  height: 44px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand:hover .brand-logo-img {
  transform: scale(1.1) rotate(5deg);
}

.brand-text h1 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.summit-date {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.summit-date svg {
  width: 14px;
  height: 14px;
  color: var(--accent-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.header-register-btn {
  background-color: var(--accent-color);
  border: 1px solid var(--accent-color);
  color: #ffffff !important;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 12px var(--accent-glow);
  transition: 
    background-color var(--transition-fast), 
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  cursor: pointer;
}

.header-register-btn:hover {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 15px var(--border-color);
}

.header-register-btn:active {
  transform: translateY(0);
}

.header-register-btn svg {
  width: 14px;
  height: 14px;
}

/* Live Indicator */
.live-indicator-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.25);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: #dc2626;
  border-radius: 50%;
  position: relative;
  display: inline-block;
}

.live-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #dc2626;
  opacity: 0;
  animation: pulse-ring 1.8s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

.live-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: #ef4444;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Select time zone styling */
.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.control-group label svg {
  width: 14px;
  height: 14px;
}

.select-wrapper {
  position: relative;
}

.select-wrapper select {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  outline: none;
}

.select-wrapper select:hover, .select-wrapper select:focus {
  border-color: var(--text-muted);
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}

/* Icon Buttons (theme toggle, bookmark toggle etc) */
.icon-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: 
    background-color var(--transition-fast), 
    border-color var(--transition-fast), 
    transform var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--bg-glass-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.icon-btn:active {
  transform: translateY(0);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

body[data-theme="dark"] .light-icon {
  display: none;
}

body[data-theme="light"] .dark-icon {
  display: none;
}

/* ==========================================================================
   Hero Banner Styles
   ========================================================================== */
.hero-banner {
  position: relative;
  width: 100%;
  min-height: 400px;
  padding: 6rem 1.5rem 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  
  /* -------------------------------------------------------------
     BANNER IMAGE PLACEHOLDER
     Replace the background-image URL below with your custom asset:
     ------------------------------------------------------------- */
  background-image: url('https://res.cloudinary.com/dguuysvdq/image/upload/v1782459468/Ha-long-bay-v1_qzwxnm.png');
  
  background-color: var(--bg-primary);
  background-size: cover;
  background-position: center;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

/* Grid Overlay for futuristic technology look */
.hero-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(8, 12, 20, 0) 10%, var(--bg-primary) 90%);
  z-index: 2;
  transition: background var(--transition-normal);
}

body[data-theme="light"] .hero-overlay {
  background: radial-gradient(circle at center, rgba(248, 250, 252, 0) 10%, var(--bg-primary) 90%);
}

.hero-content {
  position: relative;
  max-width: 800px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.hero-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--badge-color);
  background-color: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 15px var(--badge-glow);
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
}

.hero-description-card {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  max-width: 800px;
  margin: 1.75rem auto 2.25rem;
  text-align: left;
  box-shadow: var(--card-shadow);
  transition: 
    border-color var(--transition-normal), 
    box-shadow var(--transition-normal),
    transform var(--transition-normal);
}

.hero-description-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--card-shadow), 0 10px 30px -10px var(--accent-glow);
  transform: translateY(-2px);
}

.hero-description-card p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.hero-description-card p:last-child {
  margin-bottom: 0;
}

.hero-description-card b {
  color: var(--text-primary);
  font-weight: 600;
}

@media (min-width: 768px) {
  .hero-description-card {
    padding: 2.25rem 2.75rem;
  }
  
  .hero-description-card p {
    font-size: 1rem;
  }
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.75rem;
}

.hero-btn-primary {
  background-color: var(--accent-color);
  border: 1px solid var(--accent-color);
  color: #ffffff !important;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px var(--accent-glow);
  transition: 
    background-color var(--transition-fast), 
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  cursor: pointer;
}

.hero-btn-primary:hover {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--border-color);
}

.hero-btn-primary:active {
  transform: translateY(0);
}

.hero-btn-primary svg {
  width: 16px;
  height: 16px;
}

.hero-btn-secondary {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: 
    background-color var(--transition-fast), 
    border-color var(--transition-fast), 
    color var(--transition-fast),
    transform var(--transition-fast);
  cursor: pointer;
}

.hero-btn-secondary:hover {
  background-color: var(--bg-glass-hover);
  border-color: var(--border-color-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.hero-btn-secondary:active {
  transform: translateY(0);
}

.hero-btn-secondary svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content {
  max-width: 1200px;
  margin: 2.5rem auto 4rem;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Supporting Partners & Sponsors Section
   ========================================================================== */
.partners-section {
  padding: 3.5rem 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.partners-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

@media (min-width: 992px) {
  .partners-grid {
    gap: 1.5rem;
  }
}

.partner-logo-wrapper {
  flex: 0 1 calc(50% - 0.625rem);
  background-color: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 16px;
  height: 110px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.25rem;
  transition: 
    border-color var(--transition-fast), 
    background-color var(--transition-fast), 
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.partner-logo-wrapper:hover {
  border-color: var(--accent-color);
  background-color: #f1f5f9;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

@media (min-width: 576px) {
  .partner-logo-wrapper {
    flex: 0 1 calc(33.333% - 0.833rem);
  }
}

@media (min-width: 992px) {
  .partner-logo-wrapper {
    flex: 0 1 calc(25% - 1.125rem);
  }
}


.partner-logo {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

/* On hover of wrapper, make logo fully opaque */
.partner-logo-wrapper:hover .partner-logo {
  opacity: 1;
}

/* Light Mode adaptations for logos visibility */
body[data-theme="light"] .partner-logo {
  opacity: 0.95;
}

body[data-theme="light"] .partner-logo-wrapper:hover .partner-logo {
  opacity: 1;
}

/* Sponsor Us CTA Button styling */
.sponsor-cta-wrapper {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sponsor-us-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  background: linear-gradient(135deg, var(--accent-color) 0%, #4c1d95 100%);
  color: #ffffff !important;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.sponsor-us-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
  background: linear-gradient(135deg, #7c3aed 0%, var(--accent-color) 100%);
  color: #ffffff !important;
}

.sponsor-us-btn svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Speakers Section
   ========================================================================== */
.speakers-section {
  padding: 2.5rem 2rem;
  margin-bottom: 2.5rem;
  border-radius: 24px;
}

.speakers-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.speakers-logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.speaker-logo-wrapper {
  flex: 0 1 calc(25% - 1.125rem);
  min-width: 140px;
  background-color: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 16px;
  height: 110px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.25rem;
  transition: 
    border-color var(--transition-fast), 
    background-color var(--transition-fast), 
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.speaker-logo-wrapper:hover {
  border-color: var(--accent-color);
  background-color: #f1f5f9;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.speaker-logo {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0.95;
  transition: opacity var(--transition-fast);
}

.speaker-logo-wrapper:hover .speaker-logo {
  opacity: 1;
}

@media (max-width: 991px) {
  .speaker-logo-wrapper {
    flex: 0 1 calc(50% - 0.75rem);
  }
}

@media (max-width: 575px) {
  .speaker-logo-wrapper {
    flex: 0 1 100%;
  }
}

/* ==========================================================================
   Venue Map Location Section
   ========================================================================== */
.venue-section {
  padding: 2rem;
  margin-bottom: 2.5rem;
  border-radius: 24px;
}

.venue-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}

@media (min-width: 992px) {
  .venue-container {
    grid-template-columns: 1fr 1.1fr;
    gap: 2.5rem;
  }
}

.venue-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.venue-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: var(--accent-glow);
  color: var(--accent-color);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.venue-badge svg {
  width: 16px;
  height: 16px;
}

.venue-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.venue-address {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.venue-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.25rem;
}

.venue-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.venue-feature-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-color);
}

.venue-actions {
  margin-top: 0.5rem;
}

.venue-map-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.35rem;
  background: var(--accent-color);
  color: #ffffff;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.925rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.venue-map-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  color: #ffffff;
}

.venue-map-btn svg {
  width: 18px;
  height: 18px;
}

.venue-map-wrapper {
  width: 100%;
  height: 280px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

@media (min-width: 992px) {
  .venue-map-wrapper {
    height: 320px;
  }
}

/* Controls section: Search, Filters & View toggles */
.controls-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 900px) {
  .controls-section {
    grid-template-columns: 1.2fr 2fr auto;
    align-items: center;
  }
}

/* Search bar styling */
.search-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.search-box input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.clear-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: none; /* Controlled by JS */
  padding: 0.25rem;
  border-radius: 4px;
}

.clear-btn:hover {
  color: var(--text-primary);
  background-color: var(--border-color);
}

.clear-btn svg {
  width: 16px;
  height: 16px;
}

/* Filter Tags styling */
.filters-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-tag {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: 
    background-color var(--transition-fast), 
    border-color var(--transition-fast), 
    color var(--transition-fast),
    transform var(--transition-fast);
}

.filter-tag:hover {
  background-color: var(--bg-glass-hover);
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.filter-tag.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff !important;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.track-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-ceremony { background-color: hsl(var(--color-ceremony)); }
.dot-keynote { background-color: hsl(var(--color-keynote)); }
.dot-technical { background-color: hsl(var(--color-technical)); }
.dot-panel { background-color: hsl(var(--color-panel)); }
.dot-networking { background-color: hsl(var(--color-networking)); }

/* View Toggles Container */
.view-toggles {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

@media (min-width: 900px) {
  .view-toggles {
    width: auto;
  }
}

.view-mode-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.view-mode-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  flex: 1;
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.view-mode-btn svg {
  width: 16px;
  height: 16px;
}

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

.view-mode-btn.active {
  background: var(--bg-primary);
  color: var(--accent-color);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

/* View toggles & Bookmark schedule styling */
.bookmark-toggle-btn {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.7rem 1.2rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  transition: 
    background-color var(--transition-fast), 
    border-color var(--transition-fast), 
    color var(--transition-fast),
    transform var(--transition-fast);
}

.bookmark-toggle-btn svg {
  width: 16px;
  height: 16px;
}

.bookmark-toggle-btn:hover {
  background-color: var(--bg-glass-hover);
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.bookmark-toggle-btn.active {
  background-color: #f59e0b; /* Golden Amber */
  border-color: #d97706;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.bookmark-toggle-btn.active svg {
  fill: #ffffff;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: 500px;
  margin: 2rem auto;
}

.empty-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
}

.empty-state p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Agenda Table View System
   ========================================================================== */
.agenda-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px var(--shadow-color);
  margin-top: 1rem;
}

.agenda-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.agenda-table th {
  padding: 1.1rem 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  background: var(--bg-tertiary);
  border-bottom: 2px solid var(--border-color);
  font-family: 'Outfit', sans-serif;
  white-space: nowrap;
}

.agenda-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.agenda-table tbody tr:last-child {
  border-bottom: none;
}

.agenda-table tbody tr:hover {
  background-color: var(--bg-glass-hover);
}

/* Active Live Session Row */
.agenda-table tbody tr.active {
  background-color: var(--accent-glow);
  position: relative;
}

.agenda-table tbody tr.active td:first-child {
  border-left: 4px solid var(--accent-color);
}

.agenda-table td {
  padding: 1.1rem 1.25rem;
  vertical-align: middle;
  color: var(--text-secondary);
}

.table-time-cell {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  font-size: 0.9rem;
  line-height: 1.3;
}

.table-utc-time {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.table-title-cell {
  min-width: 260px;
}

.table-session-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.975rem;
  line-height: 1.35;
  transition: color var(--transition-fast);
}

.agenda-table tbody tr:hover .table-session-title {
  color: var(--accent-color);
}

.table-desc-text {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.table-speaker-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.table-speaker-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent-color);
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.table-speaker-info {
  display: flex;
  flex-direction: column;
}

.table-speaker-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  line-height: 1.2;
}

.table-speaker-title {
  font-size: 0.775rem;
  color: var(--text-muted);
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.table-bookmark-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
}

.table-bookmark-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.table-bookmark-btn.bookmarked {
  color: #f59e0b;
}

.table-bookmark-btn.bookmarked svg {
  fill: #f59e0b;
}

.action-btn {
  background-color: var(--accent-color);
  border: none;
  color: #ffffff;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.action-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ==========================================================================
   Timeline Component Styles
   ========================================================================== */
.timeline-container {
  position: relative;
  margin: 1.5rem 0;
  padding: 2rem 0;
}

/* Timeline central/left line */
.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 31px; /* Center alignment in mobile */
  width: 4px;
  background: var(--timeline-line-color);
  border-radius: 2px;
  transform: translateX(-50%);
}

@media (min-width: 768px) {
  .timeline-line {
    left: 50%;
  }
}

.timeline-items {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Timeline Item base block */
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 62px 1fr;
  align-items: flex-start;
  gap: 1.25rem;
  width: 100%;
}

@media (min-width: 768px) {
  .timeline-item {
    grid-template-columns: 1fr 62px 1fr;
    gap: 0;
    align-items: center;
  }
}

/* Timeline node/dot on the line */
.timeline-node {
  grid-column: 1;
  grid-row: 1;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 4px solid var(--text-muted);
  box-shadow: 0 0 0 4px var(--node-outline-color);
  margin-left: 20px; /* Aligns with the 31px timeline line */
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 
    border-color var(--transition-normal), 
    background-color var(--transition-normal), 
    transform var(--transition-normal), 
    box-shadow var(--transition-normal);
}

@media (min-width: 768px) {
  .timeline-node {
    grid-column: 2;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Active timeline node pulse effect */
.timeline-item.active .timeline-node {
  border-color: var(--accent-color);
  background-color: var(--accent-color);
  box-shadow: 
    0 0 0 4px var(--node-outline-color),
    0 0 0 8px var(--accent-glow),
    0 0 15px var(--accent-color);
  animation: pulse-node 2s infinite;
}

/* Timeline Session Card wrapper */
.timeline-card-wrapper {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  padding-right: 0.5rem;
}

@media (min-width: 768px) {
  /* Desktop layout: Left side card */
  .timeline-item:nth-child(odd) .timeline-card-wrapper {
    grid-column: 1;
    padding-right: 2.5rem;
    padding-left: 0;
  }
  
  /* Desktop layout: Right side card */
  .timeline-item:nth-child(even) .timeline-card-wrapper {
    grid-column: 3;
    padding-left: 2.5rem;
    padding-right: 0;
  }
}

/* Interactive Session Card itself */
.session-card {
  position: relative;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  overflow: hidden;
  transition: 
    transform var(--transition-normal), 
    border-color var(--transition-normal), 
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

.session-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--track-color);
  border-radius: 4px 0 0 4px;
  transition: width var(--transition-fast);
}

/* Styling track HSL colors per card */
.session-card.track-ceremony { --track-color: hsl(var(--color-ceremony)); }
.session-card.track-keynote { --track-color: hsl(var(--color-keynote)); }
.session-card.track-technical { --track-color: hsl(var(--color-technical)); }
.session-card.track-panel { --track-color: hsl(var(--color-panel)); }
.session-card.track-networking { --track-color: hsl(var(--color-networking)); }

/* Apply track colors to timeline nodes on card hover */
.timeline-item:hover .timeline-node {
  transform: scale(1.2);
  border-color: var(--track-color);
  box-shadow: 0 0 0 4px var(--node-outline-color), 0 0 10px var(--track-color);
}

.session-card:hover {
  transform: translateY(-4px);
  border-color: var(--track-color);
  box-shadow: 
    var(--card-shadow), 
    0 10px 30px -10px rgba(var(--track-color), 0.25);
}

.session-card:hover::before {
  width: 6px;
}

/* Session Card Header */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.time-slot {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: background-color var(--transition-normal);
}

.time-slot svg {
  width: 12px;
  height: 12px;
  color: var(--text-secondary);
}

.card-actions {
  display: flex;
  gap: 0.25rem;
}

.bookmark-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 6px;
  transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
  z-index: 5;
}

.bookmark-btn:hover {
  color: #f59e0b; /* Amber */
  background-color: var(--border-color);
  transform: scale(1.1);
}

.bookmark-btn svg {
  width: 16px;
  height: 16px;
}

.bookmark-btn.bookmarked {
  color: #f59e0b;
}

.bookmark-btn.bookmarked svg {
  fill: #f59e0b;
}

/* Card Content */
.session-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.session-card:hover h3 {
  color: var(--track-color);
}

.speaker-teaser {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.speaker-teaser svg {
  width: 14px;
  height: 14px;
}

.speaker-name {
  font-weight: 600;
}

.speaker-role {
  color: var(--text-muted);
  font-weight: 400;
}

/* Card Footer */
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.track-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--track-color);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.track-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--track-color);
  border-radius: 50%;
  display: inline-block;
}

.location-badge {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.location-badge svg {
  width: 12px;
  height: 12px;
}

/* Special styling for time labels on desktop (alternating sides opposite cards) */
.time-label-desktop {
  display: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .time-label-desktop {
    display: block;
  }
  
  /* Align time label to center timeline on opposite side of cards */
  .timeline-item:nth-child(odd) .time-label-desktop {
    grid-column: 3;
    padding-left: 2.5rem;
    text-align: left;
  }
  
  .timeline-item:nth-child(even) .time-label-desktop {
    grid-column: 1;
    padding-right: 2.5rem;
    text-align: right;
  }
}

/* ==========================================================================
   Details Modal Components
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  outline: none;
}

.modal-close {
  position: absolute;
  right: 1.25rem;
  top: 1.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: 
    background-color var(--transition-fast), 
    color var(--transition-fast),
    transform var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background-color: var(--bg-glass-hover);
  color: var(--text-primary);
  transform: rotate(90deg);
}

.modal-close svg {
  width: 16px;
  height: 16px;
}

/* Modal Header */
.modal-header {
  padding: 2rem 2rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.modal-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--track-color);
}

.modal-track-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  background-color: var(--track-color);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.modal-header h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.modal-meta-grid {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.meta-item svg {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

/* Modal Body */
.modal-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  overflow-y: auto;
}

.modal-description-section h3, 
.modal-speaker-section h3 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.modal-description-section p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Speaker Card inside modal */
.speaker-card {
  display: flex;
  gap: 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 12px;
  flex-direction: column;
}

@media (min-width: 480px) {
  .speaker-card {
    flex-direction: row;
    align-items: flex-start;
  }
}

.speaker-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), hsl(var(--color-ceremony)));
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.speaker-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.speaker-info h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.speaker-info .speaker-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-color);
}

.speaker-bio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.5rem;
}

/* Modal Footer */
.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.modal-bookmark-btn {
  background-color: #f59e0b;
  border: none;
  color: #ffffff;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.modal-bookmark-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.modal-bookmark-btn.active {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.modal-bookmark-btn svg {
  width: 14px;
  height: 14px;
}

.modal-bookmark-btn.active svg {
  fill: #f59e0b;
  color: #f59e0b;
}

.modal-share-btn {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: 
    background-color var(--transition-fast), 
    border-color var(--transition-fast), 
    color var(--transition-fast),
    transform var(--transition-fast);
}

.modal-share-btn:hover {
  background-color: var(--bg-glass-hover);
  border-color: var(--border-color-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.modal-share-btn svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-color);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 250px;
  pointer-events: auto;
  animation: toast-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.toast.toast-success {
  border-left-color: #10b981;
}

.toast.toast-warning {
  border-left-color: #f59e0b;
}

.toast svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.toast-success svg { color: #10b981; }
.toast-warning svg { color: #f59e0b; }

/* ==========================================================================
   Footer Component Styles
   ========================================================================== */
.app-footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition-normal);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 600px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.app-footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-color);
}

/* ==========================================================================
   Keyframe Animations
   ========================================================================== */
@keyframes pulse-ring {
  0% {
    transform: scale(0.33);
    opacity: 0;
  }
  30%, 40% {
    opacity: 0.6;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}

@keyframes pulse-node {
  0% {
    box-shadow: 
      0 0 0 4px var(--node-outline-color),
      0 0 0 0px var(--accent-glow),
      0 0 0px var(--accent-color);
  }
  70% {
    box-shadow: 
      0 0 0 4px var(--node-outline-color),
      0 0 0 10px rgba(139, 92, 246, 0),
      0 0 10px var(--accent-color);
  }
  100% {
    box-shadow: 
      0 0 0 4px var(--node-outline-color),
      0 0 0 0px rgba(139, 92, 246, 0),
      0 0 0px var(--accent-color);
  }
}

@keyframes toast-in {
  from {
    transform: translateY(20px) scale(0.9);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.animate-slide-up {
  animation: slide-up 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes slide-up {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fade-in 0.5s ease forwards;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ==========================================================================
   Event Registration Modal & Form System
   ========================================================================== */
.registration-modal-content {
  max-width: 520px;
  width: 92%;
  padding: 2.25rem;
  border-radius: 24px;
}

.registration-modal-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.35rem;
  line-height: 1.45;
}

.registration-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-top: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 520px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.required-star {
  color: #ef4444;
  font-weight: 700;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.925rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  box-sizing: border-box;
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.form-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background-color: var(--bg-primary);
}

.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.95rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-color) 0%, #4c1d95 100%);
  color: #ffffff !important;
  border: none;
  border-radius: 14px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  margin-top: 0.5rem;
}

.form-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
  background: linear-gradient(135deg, #7c3aed 0%, var(--accent-color) 100%);
  color: #ffffff !important;
}

.form-submit-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.form-submit-btn svg {
  width: 18px;
  height: 18px;
}

.status-message-box {
  margin-top: 1.25rem;
  padding: 0.95rem 1.15rem;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.5;
  font-weight: 500;
  animation: fadeIn 0.3s ease;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

/* Hidden Utility Class */
.hidden {
  display: none !important;
}