/* Wedding Platform — Global Styles */
:root {
  --gold: #d4af37;
  --gold-light: rgba(212, 175, 55, 0.15);
  --gold-border: rgba(212, 175, 55, 0.4);
  --bg: #0c0c0c;
  --bg-card: rgba(255, 255, 255, 0.05);
  --text: #f0e6d2;
  --text-muted: rgba(255, 245, 220, 0.6);
  --danger: #c41e3a;
  --success: #2e7d32;
  --radius: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

/* Container */
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 480px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}
.navbar .logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.navbar .nav-links { display: flex; gap: 20px; align-items: center; }
.navbar .nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.2s;
}
.navbar .nav-links a:hover { color: var(--gold); text-decoration: none; }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  padding: 28px;
}
.card-title {
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 20px;
  letter-spacing: 0.08em;
  text-align: center;
}

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}
.form-group input::placeholder { color: rgba(255, 245, 220, 0.3); }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 24px;
  border: 1px solid var(--gold-border);
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: rgba(212, 175, 55, 0.25);
  color: var(--text);
  width: 100%;
}
.btn-primary:hover { background: rgba(212, 175, 55, 0.4); }
.btn-danger {
  background: rgba(196, 30, 58, 0.2);
  border-color: rgba(196, 30, 58, 0.5);
  color: #e88;
}
.btn-danger:hover { background: rgba(196, 30, 58, 0.4); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-outline {
  background: transparent;
  color: var(--gold);
}
.btn-outline:hover { background: var(--gold-light); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}
.alert.show { display: block; }
.alert-error {
  background: rgba(196, 30, 58, 0.15);
  border: 1px solid rgba(196, 30, 58, 0.4);
  color: #e88;
}
.alert-success {
  background: rgba(46, 125, 50, 0.15);
  border: 1px solid rgba(46, 125, 50, 0.4);
  color: #8f8;
}

/* Stats */
.stats { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-card {
  flex: 1;
  min-width: 120px;
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-card .num {
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-card .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Image Grid */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.image-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid rgba(212, 175, 55, 0.2);
}
.image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-item .delete-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(196, 30, 58, 0.8);
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.image-item:hover .delete-btn { opacity: 1; }

/* Upload zone */
.upload-zone {
  border: 2px dashed rgba(212, 175, 55, 0.3);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
}
.upload-zone:hover { border-color: var(--gold); background: rgba(212, 175, 55, 0.05); }
.upload-zone.dragover { border-color: var(--gold); background: rgba(212, 175, 55, 0.1); }
.upload-zone .icon { font-size: 36px; margin-bottom: 8px; }
.upload-zone .hint { font-size: 13px; color: var(--text-muted); }

/* Tabs */
.tabs { display: flex; gap: 0; margin-bottom: 20px; border-bottom: 1px solid rgba(212, 175, 55, 0.2); }
.tab {
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--gold); border-bottom-color: var(--gold); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Section */
.section { margin-bottom: 32px; }
.section-title {
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Responsive */
@media (max-width: 600px) {
  .form-row { flex-direction: column; gap: 0; }
  .stats { flex-direction: column; }
  .image-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .navbar { flex-direction: column; gap: 10px; }
  .rsvp-table-wrap { overflow-x: auto; }
  table { min-width: 600px; }
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(212, 175, 55, 0.3);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Page hero (landing) */
.hero {
  text-align: center;
  padding: 80px 20px 60px;
}
.hero h1 {
  font-size: 40px;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.hero p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 500px;
  margin: 0 auto 32px;
}
.hero .actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero .actions .btn { min-width: 140px; }

/* Footer */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  margin-top: 40px;
}