/* ==========================================================================
   MEKONG INNOTECH EXPO 2026 - VOTING SYSTEM UI/UX PRO MAX STYLESHEET
   Concept: "Mekong Digital Alluvium" (Phù Sa Số & Dòng Chảy Công Nghệ)
   Skill Reference: .agent/skills/ui-ux-pro-max (WCAG AA/AAA, Anti-Wrap VI)
   ========================================================================== */

:root {
  /* Color Palette - Mekong Delta & Digital Tech (WCAG AA/AAA Compliant) */
  --clr-primary: #0B6E4F;          /* Xanh Lúa Mới ĐBSCL (6.2:1 on white) */
  --clr-primary-hover: #064E3B;    /* Xanh Rừng Tràm Đậm */
  --clr-primary-soft: #E6F4EF;     /* Nền Xanh Lúa Nhạt */
  --clr-secondary: #005F73;        /* Xanh Sông Hậu (7.4:1 on white) */
  --clr-secondary-hover: #003E4D;
  --clr-secondary-soft: #E0F2F5;
  --clr-accent: #D97706;           /* Vàng Nắng Phù Sa */
  --clr-accent-bright: #F59E0B;
  --clr-accent-soft: #FEF3C7;
  --clr-lotus: #C2185B;            /* Hồng Sen Điểm Nhấn (6.1:1 on white) */
  --clr-lotus-soft: #FCE4EC;

  /* Neutral & Surface Tokens */
  --clr-bg: #F3F7F5;
  --clr-surface: #FFFFFF;
  --clr-surface-alt: #EBF1EE;
  --clr-border: #CBD5E1;
  --clr-border-subtle: #E2E8F0;
  --clr-text-main: #0F172A;        /* 16.5:1 contrast */
  --clr-text-secondary: #334155;   /* 10.3:1 contrast */
  --clr-text-muted: #475569;       /* 7.1:1 contrast */

  /* Semantic Status Colors */
  --clr-success: #059669;
  --clr-warning: #D97706;
  --clr-danger: #DC2626;
  --clr-info: #0284C7;

  /* Typography */
  --font-heading: 'Space Grotesk', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Spacing & Sizing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --touch-min: 44px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 4px 12px rgba(11, 110, 79, 0.08);
  --shadow-md: 0 12px 28px -4px rgba(11, 110, 79, 0.14), 0 4px 10px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 20px 38px -8px rgba(4, 47, 46, 0.22);

  /* Z-Index Scale */
  --z-sticky-bar: 1020;
  --z-navbar: 1030;
  --z-demo-panel: 1045;
  --z-modal: 1055;
  --z-toast: 1080;

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 240ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   1. BASE, TYPOGRAPHY & VIETNAMESE ANTI-WRAPPING RULES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text-main);
  background-color: var(--clr-bg);
  background-image:
    radial-gradient(circle at 10% 10%, rgba(11, 110, 79, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 85%, rgba(0, 95, 115, 0.06) 0%, transparent 40%);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 84px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--clr-text-main);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.font-mono {
  font-family: var(--font-mono);
}

.text-nowrap-strict {
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}

/* Keyboard Focus Ring (WCAG 2.1 AA) */
:focus-visible {
  outline: 3px solid var(--clr-accent-bright) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25) !important;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--clr-primary);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 2000;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 12px;
  color: #FFFFFF;
}

/* Touch Target Minimum 44x44px & Strict Non-Wrapping Interactive Controls */
.btn,
.nav-link,
.form-control,
.form-select,
.page-link,
.touch-target {
  min-height: var(--touch-min);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.55rem 1.1rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

/* Document & Website Action Rows (Strictly 100% width, non-overflowing) */
.product-doc-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
  max-width: 100%;
}

.btn.btn-doc-row {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  white-space: normal !important;
  text-align: left !important;
  padding: 0.65rem 0.95rem !important;
  border-radius: var(--radius-md) !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
  text-decoration: none;
}

.btn.btn-doc-row .btn-doc-text {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* FAQ Accordion - UI/UX Pro Max Custom Styling */
#faqAccordion .accordion-item {
  border: 1.5px solid var(--clr-border-subtle) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 0.75rem !important;
  overflow: hidden;
  background-color: var(--clr-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#faqAccordion .accordion-item:hover {
  border-color: rgba(11, 110, 79, 0.4) !important;
}

#faqAccordion .accordion-button {
  padding: 1rem 1.25rem !important;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-main);
  background-color: var(--clr-surface) !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

#faqAccordion .accordion-button:not(.collapsed) {
  background-color: var(--clr-primary-soft) !important;
  color: var(--clr-primary) !important;
  font-weight: 700;
}

#faqAccordion .accordion-button:focus,
#faqAccordion .accordion-button:focus-visible {
  outline: 3px solid var(--clr-accent-bright) !important;
  outline-offset: -3px !important;
  box-shadow: none !important;
}

#faqAccordion .accordion-body {
  padding: 0.85rem 1.25rem 1.25rem 1.25rem !important;
  background-color: var(--clr-surface);
  color: var(--clr-text-secondary);
  line-height: 1.65;
  font-size: 0.9rem;
  border-top: 1px solid var(--clr-border-subtle);
}

#videoPosterContainer {
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}
#videoPosterContainer:hover {
  background-color: rgba(255, 255, 255, 0.08) !important;
  border-color: var(--clr-accent-bright) !important;
}

.btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
}

.badge {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  line-height: 1.2;
}

.btn-mekong {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 14px rgba(11, 110, 79, 0.26);
}
.btn-mekong:hover, .btn-mekong:focus {
  background: linear-gradient(135deg, var(--clr-primary-hover) 0%, var(--clr-secondary-hover) 100%);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(11, 110, 79, 0.35);
}
.btn-mekong:disabled {
  background: #94A3B8;
  color: #F8FAFC;
  box-shadow: none;
  cursor: not-allowed;
}

.btn-alluvial {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0F172A;
  border: none;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.28);
}
.btn-alluvial:hover, .btn-alluvial:focus {
  background: linear-gradient(135deg, #FBBF24 0%, #B45309 100%);
  color: #0F172A;
  transform: translateY(-1px);
}

.btn-lotus {
  background-color: var(--clr-lotus);
  color: #FFFFFF;
  border: none;
}
.btn-lotus:hover {
  background-color: #9C1349;
  color: #FFFFFF;
}

.btn-outline-mekong {
  border: 1.5px solid var(--clr-primary);
  color: var(--clr-primary);
  background: transparent;
}
.btn-outline-mekong:hover {
  background: var(--clr-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   2. HEADER, BRAND LOCKUP & NAVIGATION BAR (ZERO LINE-BREAK GUARANTEED)
   ========================================================================== */
.mekong-navbar {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border-subtle);
  box-shadow: var(--shadow-xs);
  z-index: var(--z-navbar);
}

/* Brand Lockup: Generated Emblem + Crisp Typography */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-lockup__img {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  object-fit: cover;
  border: 1.5px solid rgba(11, 110, 79, 0.2);
  box-shadow: 0 2px 8px rgba(11, 110, 79, 0.12);
  flex-shrink: 0;
}

.brand-lockup__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-lockup__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-text-main);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-lockup__subtitle {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.mekong-navbar .navbar-nav {
  align-items: center;
}

.mekong-navbar .nav-item {
  white-space: nowrap;
  flex-shrink: 0;
}

.mekong-navbar .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  color: var(--clr-text-secondary);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  white-space: nowrap !important;
  flex-shrink: 0;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.mekong-navbar .nav-link:hover,
.mekong-navbar .nav-link.active {
  color: var(--clr-primary);
  background-color: var(--clr-primary-soft);
}

@media (max-width: 1199.98px) {
  .mekong-navbar .navbar-nav {
    align-items: stretch;
    padding-top: 0.5rem;
  }
  .mekong-navbar .nav-link {
    width: 100%;
    padding: 0.65rem 1rem;
  }
}

/* Event Status Banner Strip */
.status-strip {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.status-strip--open {
  background: linear-gradient(90deg, #064E3B 0%, #0B6E4F 50%, #005F73 100%);
  color: #FFFFFF;
}
.status-strip--upcoming {
  background: #FEF3C7;
  color: #78350F;
}
.status-strip--locked {
  background: #FEE2E2;
  color: #991B1B;
}
.status-strip--announced {
  background: linear-gradient(90deg, #78350F 0%, #B45309 50%, #C2185B 100%);
  color: #FFFFFF;
}

/* ==========================================================================
   3. HERO LANDING & COUNTDOWN
   ========================================================================== */
.hero-banner-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #042F2E 0%, #005F73 52%, #0B6E4F 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-lg);
}

.hero-banner-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(148, 210, 189, 0.14) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FEF3C7;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  max-width: 100%;
}

.hero-showcase-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
  background: #042F2E;
}

.hero-showcase-frame__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.hero-showcase-frame__bar {
  background: rgba(4, 47, 46, 0.9);
  backdrop-filter: blur(8px);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  max-width: 420px;
}

.countdown-box {
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 210, 189, 0.35);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.4rem;
  text-align: center;
  backdrop-filter: blur(6px);
}

.countdown-box__num {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  color: #FBBF24;
  line-height: 1.1;
  display: block;
}

.countdown-box__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #E2E8F0;
  white-space: nowrap;
}

/* ==========================================================================
   4. CATEGORY CARDS & PRODUCT CARDS
   ========================================================================== */
.category-card {
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-accent));
  opacity: 0.85;
}

.category-card:hover,
.category-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary);
}

.category-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  background: var(--clr-primary-soft);
  color: var(--clr-primary);
  margin-bottom: 1rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.category-card:hover .category-icon-box {
  background: var(--clr-primary);
  color: #FFFFFF;
}

/* Product Card */
.product-card {
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-secondary);
}

.product-card--voted {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 2px rgba(11, 110, 79, 0.2), var(--shadow-sm);
}

.product-card__thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #0F172A;
  overflow: hidden;
}

.product-card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.product-card:hover .product-card__thumb {
  transform: scale(1.04);
}

.product-card__badges {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.4rem;
  pointer-events: none;
}

.badge-cat {
  background: rgba(4, 47, 46, 0.88);
  color: #E6F4EF;
  backdrop-filter: blur(4px);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-sample {
  background: var(--clr-lotus);
  color: #FFFFFF;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.product-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__actions {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.product-card__actions .btn-detail-card {
  flex: 0.95;
  padding-left: 0.65rem;
  padding-right: 0.65rem;
  font-size: 0.88rem;
}

.product-card__actions .btn-vote-card {
  flex: 1.25;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  font-size: 0.88rem;
}

/* ==========================================================================
   5. STICKY VOTE TRACKER BAR & MOBILE STICKY PRODUCT CTA
   ========================================================================== */
.sticky-vote-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.96);
  color: #FFFFFF;
  backdrop-filter: blur(12px);
  border-top: 2px solid var(--clr-primary);
  padding: 0.6rem 1rem;
  z-index: var(--z-sticky-bar);
  box-shadow: 0 -8px 25px rgba(15, 23, 42, 0.22);
}

.vote-pip {
  width: 26px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.22);
  display: inline-block;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.vote-pip--filled {
  background: #34D399;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.7);
  transform: scaleY(1.15);
}

/* ==========================================================================
   6. PURE CSS CHARTS & TABLES (NO WRAPPING ON HEADERS/NUMBERS)
   ========================================================================== */
.table th {
  white-space: nowrap;
  font-weight: 700;
  color: var(--clr-text-secondary);
}

.mekong-progress {
  height: 14px;
  background-color: #E2E8F0;
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.mekong-progress__bar {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--clr-primary) 0%, var(--clr-secondary) 65%, #10B981 100%);
  transition: width 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Conic-gradient Donut Chart */
.css-donut-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.css-donut {
  width: 210px;
  height: 210px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.08), var(--shadow-sm);
  background: conic-gradient(
    #0B6E4F 0% 28%,
    #005F73 28% 52%,
    #D97706 52% 72%,
    #C2185B 72% 86%,
    #0284C7 86% 100%
  );
  transition: transform var(--transition-base);
}

.css-donut__hole {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: var(--clr-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Vertical Column Chart (Admin & LED) */
.css-vbar-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem;
  height: 220px;
  padding: 1.5rem 0.5rem 0.5rem;
  border-bottom: 2px solid var(--clr-border);
}

.css-vbar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.css-vbar-col__fill {
  width: 100%;
  max-width: 48px;
  background: linear-gradient(180deg, #10B981 0%, var(--clr-primary) 100%);
  border-radius: 8px 8px 0 0;
  transition: height 600ms cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  min-height: 8px;
}

.css-vbar-col__val {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--clr-text-secondary);
  white-space: nowrap;
}

.css-vbar-col__lbl {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-top: 6px;
  white-space: nowrap;
}

/* ==========================================================================
   7. FLOATING DEMO CONTROL PANEL (DISTINCT STYLE)
   ========================================================================== */
.demo-panel {
  position: fixed;
  bottom: 84px;
  right: 16px;
  z-index: var(--z-demo-panel);
  font-family: var(--font-body);
}

.demo-panel--hidden {
  display: none !important;
}

.demo-panel__toggle {
  background: #1E1B4B;
  color: #FBBF24;
  border: 2px solid #F59E0B;
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.1rem;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 8px 25px rgba(30, 27, 75, 0.45);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  white-space: nowrap;
}

.demo-panel__drawer {
  width: 330px;
  max-width: calc(100vw - 32px);
  max-height: 78vh;
  overflow-y: auto;
  background: rgba(15, 23, 42, 0.97);
  color: #F8FAFC;
  border: 2px solid #F59E0B;
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 0.6rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(14px);
}

.demo-panel__drawer .btn-demo-opt {
  font-size: 0.8rem;
  padding: 0.45rem 0.7rem;
  min-height: 36px;
  border-radius: 6px;
  text-align: left;
  justify-content: flex-start;
  white-space: nowrap;
}

/* ==========================================================================
   8. SKELETON LOADING & CONFETTI ANIMATIONS
   ========================================================================== */
.skeleton-box {
  background: linear-gradient(90deg, #E2E8F0 25%, #F1F5F9 50%, #E2E8F0 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.4s infinite linear;
  border-radius: var(--radius-sm);
}

@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.confetti-stage {
  position: relative;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 18px;
  top: -20px;
  opacity: 0;
  animation: confettiFall 2.6s ease-out forwards;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(320px) rotate(540deg);
    opacity: 0;
  }
}

.vote-masked-badge {
  font-family: var(--font-mono);
  background: rgba(245, 158, 11, 0.18);
  color: #D97706;
  border: 1px dashed #F59E0B;
  padding: 0.15rem 0.55rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

/* ==========================================================================
   9. ADMIN DASHBOARD SPECIFIC STYLES (admin.html)
   ========================================================================== */
.admin-body {
  padding-bottom: 0;
  background-color: #F1F5F9;
}

.admin-sidebar {
  background: linear-gradient(180deg, #042F2E 0%, #0F172A 100%);
  color: #E2E8F0;
  min-height: calc(100vh - 64px);
}

.admin-sidebar .nav-link {
  color: #CBD5E1;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
}

.admin-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

.admin-sidebar .nav-link.active {
  background: var(--clr-primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(11, 110, 79, 0.35);
}

.kpi-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border-subtle);
  padding: 1.25rem;
  box-shadow: var(--shadow-xs);
}

/* ==========================================================================
   10. LED BIG SCREEN PRESENTATION MODE (led.html - 16:9 Stage)
   ========================================================================== */
.led-body {
  background: radial-gradient(circle at 50% 0%, #005F73 0%, #042F2E 45%, #021014 100%);
  color: #F8FAFC;
  min-height: 100vh;
  padding-bottom: 0;
  overflow-x: hidden;
}

.led-body h1, .led-body h2, .led-body h3, .led-body h4, .led-body .font-heading {
  color: #FFFFFF;
}

.led-glass-panel {
  background: rgba(15, 23, 42, 0.68);
  border: 1.5px solid rgba(52, 211, 153, 0.32);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  padding: 1.5rem;
}

.led-rank-row {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  margin-bottom: 0.75rem;
  transition: transform 350ms ease, background-color 350ms ease;
}

.led-rank-row--top1 {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.24) 0%, rgba(11, 110, 79, 0.25) 100%);
  border-color: #FBBF24;
}

.led-clock {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.5vw, 2.6rem);
  font-weight: 800;
  color: #FBBF24;
  letter-spacing: 0.04em;
  text-shadow: 0 0 18px rgba(251, 191, 36, 0.45);
  white-space: nowrap;
}

.podium-card {
  background: linear-gradient(180deg, rgba(11, 110, 79, 0.4) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 2px solid #34D399;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.podium-card--first {
  border-color: #FBBF24;
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.32) 0%, rgba(15, 23, 42, 0.92) 100%);
  transform: scale(1.03);
}

/* ==========================================================================
   11. RESPONSIVE BREAKPOINTS (360px / 768px / 1024px / 1440px)
   ========================================================================== */
@media (max-width: 575.98px) {
  .countdown-box__num {
    font-size: 1.3rem;
  }
  .hero-banner-card {
    border-radius: var(--radius-lg);
  }
  .demo-panel {
    bottom: 76px;
    right: 10px;
  }
  .brand-lockup__title {
    font-size: 0.92rem;
  }
  .brand-lockup__subtitle {
    font-size: 0.64rem;
  }
}

@media (min-width: 1200px) {
  body {
    padding-bottom: 72px;
  }
}

/* Respect Reduced Motion Preference (WCAG 2.3.3) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}