/* Style for sukien.hoctest.com */
/* Primary Brand Color: #2563EB (Tech Blue) */
:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --primary-border: #BFDBFE;
  --text-dark: #0F172A;
  --text-muted: #475569;
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-dark);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.brand-title span {
  color: var(--text-dark);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-facebook {
  background-color: #EFF6FF;
  color: #1877F2;
  border: 1px solid #BFDBFE;
}

.btn-facebook:hover {
  background-color: #1877F2;
  color: #FFFFFF;
  border-color: #1877F2;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(24, 119, 242, 0.25);
}

.btn-zalo {
  background-color: var(--primary);
  color: #FFFFFF;
  border: 1px solid var(--primary);
}

.btn-zalo:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

/* SECTION HEADERS */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  border: 1px solid var(--primary-border);
}

.section-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.section-heading {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* FEATURED EVENT PANEL (30% - 70%) */
.featured-section {
  padding: 40px 0 32px 0;
}

.featured-panel {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 860px) {
  .featured-panel {
    flex-direction: row;
    align-items: stretch;
  }
}

/* Part 1: 30% Keyvisual */
.panel-visual {
  flex: 0 0 100%;
  position: relative;
  background-color: #1E293B;
  min-height: 260px;
  overflow: hidden;
}

@media (min-width: 860px) {
  .panel-visual {
    flex: 0 0 32%;
    max-width: 32%;
  }
}

.panel-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.featured-panel:hover .panel-visual img {
  transform: scale(1.03);
}

.visual-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: rgba(37, 99, 235, 0.9);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Part 2: 70% Details */
.panel-content {
  flex: 0 0 100%;
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 860px) {
  .panel-content {
    flex: 0 0 68%;
    max-width: 68%;
  }
}

.event-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

/* Meta Pill: Time & Location */
.event-meta-pill {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  background-color: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--text-dark);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.meta-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Speakers rendering rules */
.event-speakers {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.speaker-single {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dark);
}

.speaker-single strong {
  color: var(--primary);
  font-weight: 700;
}

.speaker-multiple {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.speaker-multiple strong {
  color: var(--primary);
  font-weight: 700;
}

.speaker-bullets {
  list-style: none;
  padding-left: 0;
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.speaker-bullets li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dark);
  font-weight: 500;
}

.speaker-bullets li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary);
}

/* Event Description */
.event-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

/* Related Links (Game 1, Game 2, Form feedback) */
.related-links-section {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.links-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.links-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background-color: #FFFFFF;
  border: 1.5px solid var(--primary-border);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.link-btn:hover {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.link-btn svg {
  transition: transform 0.2s ease;
}

.link-btn:hover svg {
  transform: translateX(3px);
}

/* PAST EVENTS SECTION (CAROUSEL / SLIDER) */
.past-section {
  padding: 32px 0 60px 0;
}

.slider-header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.slider-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.slider-btn:hover:not(:disabled) {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.slider-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Slider Track & Cards */
.slider-container {
  overflow: hidden;
  position: relative;
  padding: 4px;
  margin: -4px;
}

.slider-track {
  display: flex;
  gap: 24px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Card: Exactly 3 cards visible on desktop */
.event-card {
  flex: 0 0 calc((100% - 48px) / 3);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.25s ease;
}

@media (max-width: 1024px) {
  .event-card {
    flex: 0 0 calc((100% - 24px) / 2);
  }
}

@media (max-width: 640px) {
  .event-card {
    flex: 0 0 100%;
  }
}

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

.card-thumb {
  height: 180px;
  position: relative;
  overflow: hidden;
  background-color: #1E293B;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.event-card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-time {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
}

/* POPUP MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s ease;
  position: relative;
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 24px 28px 16px 28px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background-color: #F1F5F9;
  color: var(--text-dark);
}

.modal-body {
  padding: 24px 28px;
}

.modal-meta-box {
  background-color: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.875rem;
}

.modal-recap-box {
  background-color: #F8FAFC;
  border-left: 4px solid var(--primary);
  padding: 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 20px;
  font-size: 0.925rem;
  line-height: 1.6;
}

.modal-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* FOOTER */
.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}