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

:root {
  --color-card:     #ffffff;
  --color-text:     #2d2d2d;
  --color-muted:    #888;
  --color-error:    #d7263d;
  --radius:         16px;
  --shadow:         0 8px 32px rgba(0,0,0,0.10);
  --transition:     0.2s ease;

  /* Default (girl / pink) theme */
  --color-bg:            #fdf6ee;
  --color-primary:       #e85d9f;
  --color-primary-dark:  #c4407f;
  --color-secondary:     #6c63ff;
  --color-border:        #e0d6cc;
  --color-primary-alpha: rgba(232, 93, 159, 0.15);
  --color-primary-alpha-light: rgba(232, 93, 159, 0.06);
}

/* ── Girl theme (pink) ───────────────────────────────────────────────────── */
html.theme-girl {
  --color-bg:            #fdf6ee;
  --color-primary:       #e85d9f;
  --color-primary-dark:  #c4407f;
  --color-secondary:     #6c63ff;
  --color-border:        #e0d6cc;
  --color-primary-alpha: rgba(232, 93, 159, 0.15);
  --color-primary-alpha-light: rgba(232, 93, 159, 0.06);
}

/* ── Boy theme (green) ───────────────────────────────────────────────────── */
html.theme-boy {
  --color-bg:            #f0f8f2;
  --color-primary:       #2d9b5a;
  --color-primary-dark:  #1e6f3f;
  --color-secondary:     #3a7abf;
  --color-border:        #c2ddc9;
  --color-primary-alpha: rgba(45, 155, 90, 0.15);
  --color-primary-alpha-light: rgba(45, 155, 90, 0.06);
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* ── Page container ──────────────────────────────────────────────────────── */
.page {
  width: 100%;
  max-width: 480px;
}

/* ── Card ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hidden { display: none !important; }

/* ── Invitation card ─────────────────────────────────────────────────────── */
.party-icon {
  font-size: 3.5rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.headline {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.subheadline {
  text-align: center;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.details {
  background: var(--color-bg);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.detail-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  white-space: nowrap;
}

.detail-value {
  font-size: 0.95rem;
  font-weight: 500;
  text-align: right;
}

/* ── Map link ────────────────────────────────────────────────────────────── */
.map-link {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.map-link:hover { text-decoration: underline; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  display: block;
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover  { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-secondary:hover {
  background: var(--color-secondary);
  color: #fff;
}

/* ── Form ────────────────────────────────────────────────────────────────── */
.field-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.field-group .field {
  flex: 1;
  margin-bottom: 0;
}


.rsvp-form h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.form-intro {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.field {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

label {
  font-size: 0.875rem;
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

input.invalid, textarea.invalid {
  border-color: var(--color-error);
}

textarea { resize: vertical; min-height: 80px; }

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

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  cursor: pointer;
  padding: 0.6rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  transition: border-color var(--transition), background var(--transition);
  flex: 1;
}

.radio-label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-alpha-light);
}

.radio-label input { accent-color: var(--color-primary); }

.error {
  font-size: 0.8rem;
  color: var(--color-error);
  min-height: 1em;
}

.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 0.5rem;
}

.form-actions .btn-secondary { flex-shrink: 0; }
.form-actions .btn-primary   { flex: 1; }

/* ── Confirmation ────────────────────────────────────────────────────────── */
.confirmation {
  text-align: center;
}

.confirmation-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.confirmation h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.confirmation p {
  color: var(--color-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .card { padding: 2rem 1.25rem; }
  .radio-group { flex-direction: column; }
  .form-actions { flex-direction: column; }
  .form-actions .btn-secondary { width: 100%; text-align: center; }
}