/* ── Variables ───────────────────────────────────────────── */
:root {
  --cream: #faf8f4;
  --white: #ffffff;
  --green: #027101;
  --yellow: #ffda31;
  --text: #3d3530;
  --text-muted: #8a7d78;
  --border: #e8e0d8;
  --claimed-bg: #f0ede8;
  --shadow: 0 2px 16px rgba(61, 53, 48, 0.08);
  --radius: 12px;
  --font-serif: 'Big Caslon', 'Book Antiqua', 'Palatino Linotype', Georgia, serif;
  --font-sans: system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.2; }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  text-align: center;
  padding: 3rem 1rem 2rem;
  background: var(--white);
  border-bottom: 3px solid var(--yellow);
}

.site-header .couple {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--text);
  letter-spacing: 0.02em;
}

.site-header .date {
  color: var(--green);
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active { color: var(--green); }

/* ── Main content ────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--text);
  margin-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--yellow);
  margin: 0.6rem auto 0;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

/* ── Gift Grid ───────────────────────────────────────────── */
.gifts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gift-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.gift-card:hover:not(.claimed) {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(61, 53, 48, 0.12);
}

.gift-card.claimed:not(.claimed-own) {
  opacity: 0.65;
}

.gift-card.claimed-own {
  border: 1px solid rgba(2, 113, 1, 0.3);
}

.gift-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--claimed-bg);
}

.gift-card__image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--yellow), var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
}

.gift-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gift-card__name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text);
}

.gift-card__description {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex: 1;
}

.gift-card__price {
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.gift-card__footer {
  padding: 0 1.25rem 1.25rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--green);
  color: var(--white);
  flex: 1;
}
.btn-primary:hover { background: #015901; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

.btn-danger {
  background: #c62828;
  color: var(--white);
}
.btn-danger:hover { background: #8e0000; }

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.claimed-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--claimed-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  flex: 1;
  justify-content: center;
}

.claimed-badge.claimed-mine {
  background: #e8f5e9;
  border-color: #a3d9a5;
  color: var(--green);
}

/* ── Confirmation Modal ──────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(61, 53, 48, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

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

.modal-box {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(61, 53, 48, 0.18);
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  text-align: center;
  border-top: 3px solid var(--yellow);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.modal-gift-name {
  font-weight: 600;
  color: var(--green);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.modal-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.modal-actions .btn {
  flex: 1;
  max-width: 180px;
}

/* ── RSVP Form ───────────────────────────────────────────── */
.rsvp-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(2, 113, 1, 0.1);
}

.form-group textarea { resize: vertical; min-height: 90px; }

.radio-group {
  display: flex;
  gap: 1rem;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  cursor: pointer;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  flex: 1;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}

.radio-group input[type="radio"] { display: none; }

.radio-group label:has(input:checked) {
  border-color: var(--green);
  background: rgba(2, 113, 1, 0.06);
  color: var(--green);
  font-weight: 600;
}

/* ── Language toggle ─────────────────────────────────────── */
.site-nav { position: relative; }

.lang-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  font-family: var(--font-sans);
}
.lang-toggle:hover { color: var(--green); border-color: var(--green); }

/* ── Form helpers ────────────────────────────────────────── */
.label-optional {
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.3rem;
}

.field-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 0.15rem;
  font-family: var(--font-sans);
}

.form-group textarea:disabled {
  background: var(--cream);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.65;
}

/* Checkbox fields */
.checkbox-group { display: flex; flex-direction: column; gap: 0.5rem; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-family: 'Big Caslon', 'Book Antiqua', Palatino, serif;
  color: var(--text);
}

.checkbox-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--green);
  cursor: pointer;
  flex-shrink: 0;
}

/* ── Alert / Success ─────────────────────────────────────── */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.alert-success {
  background: #f0faf0;
  border: 1px solid #a3d9a5;
  color: #2e7d32;
}

.alert-error {
  background: #fff0f0;
  border: 1px solid #f5a5a5;
  color: #c62828;
}

/* ── WhatsApp section ────────────────────────────────────── */
.wa-section {
  max-width: 560px;
  margin: 1.5rem auto 0;
}

.wa-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.wa-card__icon {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.wa-card__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.wa-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.wa-card > div:nth-child(2) { flex: 1; min-width: 0; }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #25D366;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}

.btn-whatsapp:hover { background: #1ebe5d; }

/* ── Admin ───────────────────────────────────────────────── */
.admin-login {
  max-width: 400px;
  margin: 4rem auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
  text-align: center;
  border-top: 3px solid var(--yellow);
}

.admin-login h2 {
  margin-bottom: 0.5rem;
}

.admin-login p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}

.tab-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
  font-weight: 600;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.admin-form {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
}

.admin-form h3 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text);
}

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

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Table ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  padding: 0.65rem 1rem;
  background: var(--cream);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--yellow);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--cream); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-yes { background: #e8f5e9; color: #027101; }
.badge-no  { background: #fce4ec; color: #c62828; }
.badge-claimed { background: var(--claimed-bg); color: var(--text-muted); }
.badge-free { background: #e8f5e9; color: #027101; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 3px solid var(--yellow);
  margin-top: 3rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--green); }

/* ── Loading state ───────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}

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

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .rsvp-card { padding: 1.5rem; }
  .admin-form { padding: 1rem; }
  .gifts-grid { grid-template-columns: 1fr; }
}