/* ============================================
   amaderm Academy - Public Frontend Stylesheet
   Light Theme with Gold Accents
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #f8f8f8;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafa;
  --border: #e5e5e5;
  --gold: #c9a96e;
  --gold-hover: #b8954f;
  --gold-dim: rgba(201, 169, 110, 0.1);
  --gold-glow: rgba(201, 169, 110, 0.2);
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #999999;
  --success: #4caf50;
  --success-dim: rgba(76, 175, 80, 0.1);
  --error: #f44336;
  --error-dim: rgba(244, 67, 54, 0.1);
  --webinar-blue: #3b82f6;
  --webinar-blue-dim: rgba(59, 130, 246, 0.1);
  --seminar-green: #22c55e;
  --seminar-green-dim: rgba(34, 197, 94, 0.1);
  --cat-mesoestetic: #c9a96e;
  --cat-laser: #3b82f6;
  --cat-geneo: #22c55e;
  --cat-academy: #8b5cf6;
  --cat-allgemein: #999999;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-input: 8px;
  --transition: all 0.3s ease;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  min-height: 100vh;
  font-size: 16px;
}

::selection {
  background-color: var(--gold);
  color: var(--bg-primary);
}

::-moz-selection {
  background-color: var(--gold);
  color: var(--bg-primary);
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--gold-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* --- Navigation --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

.navbar-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: var(--transition);
}

.navbar-logo:hover {
  color: var(--gold-hover);
  opacity: 0.9;
}

.navbar-logo span {
  color: var(--text-primary);
  font-weight: 400;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--gold);
  transition: var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--gold);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

.navbar-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* --- Hero Section --- */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  color: var(--gold);
}

.hero .subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero .cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
}

.btn-primary {
  background-color: var(--gold);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background-color: var(--gold-hover);
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background-color: var(--gold-dim);
  color: var(--gold-hover);
  border-color: var(--gold-hover);
}

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

.btn-secondary:hover {
  background-color: #333;
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn .spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn.loading .spinner {
  display: inline-block;
}

.btn.loading .btn-text {
  opacity: 0.7;
}

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

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-primary);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: #333;
}

.filter-tab.active {
  background-color: var(--gold);
  color: var(--bg-primary);
  border-color: var(--gold);
  font-weight: 600;
}

.filter-dropdown {
  position: relative;
  margin-left: auto;
}

.filter-dropdown select {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 10px 40px 10px 20px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
}

.filter-dropdown select:hover {
  border-color: #333;
  color: var(--text-primary);
}

.filter-dropdown select:focus {
  border-color: var(--gold);
}

.filter-dropdown::after {
  content: '\25BC';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--text-muted);
  pointer-events: none;
}

.filter-dropdown select option {
  background-color: var(--bg-card);
  color: var(--text-secondary);
}

/* --- Section Headers --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.section-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
}

.section-header .section-link {
  font-size: 0.95rem;
  color: var(--gold);
  font-weight: 500;
}

/* --- Event Grid --- */
.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 48px;
}

.event-grid.compact {
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* --- Event Card --- */
.event-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: #333;
}

.event-card a {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Card Image */
.card-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: #f5f5f5;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.card-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e8e0d4 0%, #f0e8dc 50%, #e8e0d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 2rem;
}

/* Card Badges */
.card-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-type-webinar {
  background-color: var(--webinar-blue-dim);
  color: var(--webinar-blue);
  border: 1px solid rgba(74, 158, 255, 0.2);
}

.badge-type-seminar {
  background-color: var(--seminar-green-dim);
  color: var(--seminar-green);
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.badge-cat-mesoestetic {
  background-color: rgba(201, 169, 110, 0.1);
  color: var(--cat-mesoestetic);
  border: 1px solid rgba(201, 169, 110, 0.2);
}

.badge-cat-laser {
  background-color: rgba(74, 158, 255, 0.1);
  color: var(--cat-laser);
  border: 1px solid rgba(74, 158, 255, 0.2);
}

.badge-cat-geneo {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--cat-geneo);
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.badge-cat-academy {
  background-color: rgba(156, 39, 176, 0.1);
  color: var(--cat-academy);
  border: 1px solid rgba(156, 39, 176, 0.2);
}

.badge-cat-allgemein {
  background-color: rgba(136, 136, 136, 0.1);
  color: var(--cat-allgemein);
  border: 1px solid rgba(136, 136, 136, 0.2);
}

/* Card Content */
.card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-date {
  font-size: 0.8rem;
  color: var(--gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

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

.card-meta-item .icon {
  font-size: 0.9rem;
  opacity: 0.7;
}

.card-footer {
  padding: 0 20px 20px;
  margin-top: auto;
}

.card-cta {
  display: block;
  width: 100%;
  padding: 12px;
  background-color: var(--gold);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.card-cta:hover {
  background-color: var(--gold-hover);
  color: var(--bg-primary);
  transform: translateY(-1px);
}

.card-cta.sold-out {
  background-color: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}

.card-cta.sold-out:hover {
  transform: none;
}

/* Spots remaining */
.card-spots {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-spots .spots-count {
  color: var(--gold);
  font-weight: 600;
}

.card-spots.spots-low .spots-count {
  color: var(--error);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  grid-column: 1 / -1;
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Event Detail Page --- */
.event-detail {
  padding: 40px 0 80px;
}

.event-detail-header {
  margin-bottom: 40px;
}

.event-detail-header .breadcrumbs {
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--gold);
}

.breadcrumbs .separator {
  color: var(--text-muted);
  opacity: 0.5;
}

.breadcrumbs .current {
  color: var(--text-primary);
}

.event-detail-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
  align-items: flex-start;
}

/* Detail Info (left column) */
.event-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.event-info-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.event-info-header .event-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.event-cover {
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: #f5f5f5;
}

.event-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.event-info-block {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
}

.event-info-block h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.info-item {
  display: flex;
  gap: 12px;
}

.info-item .info-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--gold-dim);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.info-item .info-content {
  display: flex;
  flex-direction: column;
}

.info-item .info-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.info-item .info-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Participant Progress Bar */
.progress-container {
  margin-top: 20px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.progress-label .label-text {
  color: var(--text-muted);
}

.progress-label .label-value {
  color: var(--text-primary);
  font-weight: 600;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-hover));
  border-radius: 4px;
  transition: width 0.6s ease;
}

.progress-bar-fill.nearly-full {
  background: linear-gradient(90deg, var(--error), #ff6659);
}

/* Description Block */
.event-description {
  line-height: 1.8;
  color: var(--text-secondary);
}

.event-description h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin: 24px 0 8px;
}

.event-description p {
  margin-bottom: 16px;
}

.event-description ul {
  margin-bottom: 16px;
  padding-left: 20px;
  list-style: disc;
}

.event-description ul li {
  margin-bottom: 6px;
}

/* Speaker Card */
.speaker-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-btn);
}

.speaker-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--gold-dim);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 600;
  flex-shrink: 0;
}

.speaker-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.speaker-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Registration Form (right column) --- */
.registration-panel {
  position: sticky;
  top: 96px;
}

.registration-form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
}

.registration-form-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.registration-form-card .form-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group label .required {
  color: var(--gold);
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  background-color: #f5f5f5;
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-dim);
}

.form-control.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-dim);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 0.8rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-control {
  border-color: var(--error);
}

.char-counter {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: 4px;
}

.char-counter.over-limit {
  color: var(--error);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.form-checkbox .checkbox-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.form-checkbox .checkbox-label a {
  color: var(--gold);
  text-decoration: underline;
}

.form-divider {
  height: 1px;
  background-color: var(--border);
  margin: 24px 0;
}

/* Submit Button */
.btn-submit {
  width: 100%;
  padding: 16px;
  background-color: var(--gold);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.3px;
}

.btn-submit:hover {
  background-color: var(--gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Success/Error Messages */
.message {
  padding: 20px 24px;
  border-radius: var(--radius-btn);
  margin-bottom: 20px;
  display: none;
  font-size: 0.95rem;
  line-height: 1.5;
}

.message.show {
  display: block;
  animation: messageSlideIn 0.3s ease;
}

.message-success {
  background-color: var(--success-dim);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: var(--text-primary);
}

.message-success .message-icon {
  color: var(--success);
}

.message-error {
  background-color: var(--error-dim);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: var(--text-primary);
}

.message-error .message-icon {
  color: var(--error);
}

.message-title {
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.message-body {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Archive Page --- */
.archive-section {
  padding: 40px 0 80px;
}

.archive-section .event-card {
  opacity: 0.75;
}

.archive-section .event-card:hover {
  opacity: 1;
}

.archive-section .card-cta {
  background-color: var(--border);
  color: var(--text-secondary);
}

.archive-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: rgba(0, 0, 0, 0.7);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 60px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* --- Loading Skeleton --- */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, #e0e0e0 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-btn);
}

.skeleton-card {
  height: 380px;
  border-radius: var(--radius-card);
}

.skeleton-line {
  height: 16px;
  margin-bottom: 10px;
}

.skeleton-line.short {
  width: 60%;
}

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

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-btn);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.pagination a {
  color: var(--text-secondary);
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
}

.pagination a:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: #333;
}

.pagination .active {
  background-color: var(--gold);
  color: var(--bg-primary);
  border: 1px solid var(--gold);
  font-weight: 600;
}

.pagination .disabled {
  color: var(--text-muted);
  opacity: 0.4;
  cursor: not-allowed;
}

/* --- Utility Classes --- */
.text-gold { color: var(--gold); }
.text-white { color: var(--text-primary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.hidden { display: none !important; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Responsive --- */

/* Tablet */
@media (max-width: 1024px) {
  .event-detail-layout {
    grid-template-columns: 1fr;
  }

  .registration-panel {
    position: static;
  }

  .event-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .event-grid.compact {
    grid-template-columns: repeat(3, 1fr);
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.4rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .navbar .container {
    height: 64px;
  }

  .navbar-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ffffff;
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    z-index: 999;
    border-top: 1px solid var(--border);
  }

  .navbar-links.open {
    display: flex;
  }

  .navbar-links a {
    font-size: 1.1rem;
  }

  .navbar-mobile-toggle {
    display: block;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .event-grid,
  .event-grid.compact {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .filter-tabs {
    overflow-x: auto;
    padding-bottom: 8px;
    flex-wrap: nowrap;
  }

  .filter-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .filter-dropdown {
    margin-left: 0;
  }

  .filter-dropdown select {
    width: 100%;
  }

  .event-info-header h1 {
    font-size: 1.6rem;
  }

  .registration-form-card {
    padding: 24px;
  }

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

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-header h2 {
    font-size: 1.4rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .pagination a,
  .pagination span {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

  .event-info-header h1 {
    font-size: 1.4rem;
  }

  .registration-form-card {
    padding: 20px;
  }

  .card-content {
    padding: 16px;
  }

  .card-footer {
    padding: 0 16px 16px;
  }
}