/* ============================================================
   INVITATION.CSS — Styles for the invitation + RSVP phase
   Phase visibility, venue card, schedule, RSVP form
============================================================ */

/* ── Phase visibility ────────────────────────────────────────
   body[data-phase] is set by phase.js after loading JSON.
   Default (no attribute yet) = save-the-date behaviour.
============================================================ */
.invite-only {
  display: none;
}

[data-phase='invitation'] .invite-only {
  display: block;
}

[data-phase='invitation'] .std-only {
  display: none;
}

/* ── Venue card (invitation phase) ──────────────────────── */
.venue-card {
  text-align: center;
  padding: var(--sp-12) var(--sp-8);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-white);
  max-width: 540px;
  margin-inline: auto;
}

.venue-card__name {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  color: var(--clr-text);
  margin-bottom: var(--sp-3);
}

.venue-card__location {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-8);
}

.venue-card__rule {
  width: 32px;
  height: 1px;
  background: var(--clr-border);
  margin: 0 auto var(--sp-8);
}

.venue-card__detail {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 300;
  font-style: italic;
  color: var(--clr-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
}

.venue-card__map-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-gold);
  border-bottom: 1px solid var(--clr-gold-light);
  padding-bottom: 2px;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}

.venue-card__map-link:hover {
  color: var(--clr-gold-dark);
  border-color: var(--clr-gold-dark);
}

.venue-card__map-link svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

/* ── Schedule / Timeline ─────────────────────────────────── */
.schedule-section {
  background: var(--clr-bg);
  text-align: center;
}

.timeline {
  position: relative;
  max-width: 480px;
  margin: var(--sp-12) auto 0;
  text-align: left;
}

/* Vertical connecting line */
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--clr-border);
}

.timeline__item {
  position: relative;
  padding-left: var(--sp-8);
  padding-bottom: var(--sp-8);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

/* Dot on the line */
.timeline__item::before {
  content: '';
  position: absolute;
  left: -3px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-gold);
}

.timeline__time {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin-bottom: var(--sp-1);
}

.timeline__event {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--clr-text);
  line-height: 1.3;
}

.timeline__note {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--clr-text-muted);
  margin-top: var(--sp-1);
}

/* ── RSVP Section ────────────────────────────────────────── */
.rsvp-section {
  background: var(--clr-bg-alt);
  text-align: center;
}

.rsvp-section .section-heading {
  margin-bottom: var(--sp-4);
}

.rsvp-deadline {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-12);
}

/* ── RSVP Form ───────────────────────────────────────────── */
.rsvp-form {
  max-width: 560px;
  margin-inline: auto;
  text-align: left;
}

.form-group {
  margin-bottom: var(--sp-6);
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  margin-bottom: var(--sp-3);
}

.form-label .required {
  color: var(--clr-gold);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--clr-text);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-4) var(--sp-4);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--clr-text-muted);
  font-weight: 300;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--clr-gold);
  box-shadow: 0 0 0 3px rgba(184, 149, 106, 0.12);
}

/* Invalid state — only shown after user interaction */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: #c0392b;
}

.form-error {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: #c0392b;
  margin-top: var(--sp-2);
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A89E94' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: var(--sp-8);
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

/* ── Attendance radio buttons ────────────────────────────── */
.radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.radio-option {
  position: relative;
}

.radio-option input[type='radio'] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-option__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-white);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--clr-text-secondary);
  transition:
    border-color var(--dur-fast),
    background var(--dur-fast),
    color var(--dur-fast);
  user-select: none;
}

.radio-option__label:hover {
  border-color: var(--clr-gold-light);
  color: var(--clr-text);
}

.radio-option input[type='radio']:checked + .radio-option__label {
  border-color: var(--clr-gold);
  background: rgba(184, 149, 106, 0.07);
  color: var(--clr-text);
}

.radio-option__icon {
  font-size: 1rem;
  line-height: 1;
}

/* ── Form submit row ─────────────────────────────────────── */
.form-submit {
  margin-top: var(--sp-8);
  text-align: center;
}

.form-submit .btn {
  min-width: 200px;
  padding: var(--sp-4) var(--sp-8);
  position: relative;
}

/* Loading spinner inside button */
.btn__spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  position: absolute;
  right: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
}

.btn.is-loading .btn__spinner {
  display: block;
}

.btn.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

@keyframes spin {
  to { transform: translateY(-50%) rotate(360deg); }
}

/* ── RSVP Success state ──────────────────────────────────── */
.rsvp-success {
  max-width: 480px;
  margin-inline: auto;
  padding: var(--sp-12) var(--sp-8);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-white);
  text-align: center;
}

.rsvp-success__icon {
  color: var(--clr-gold);
  margin-bottom: var(--sp-6);
}

.rsvp-success__heading {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--clr-text);
  margin-bottom: var(--sp-4);
}

.rsvp-success__text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  font-weight: 300;
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

/* ── RSVP Error banner ───────────────────────────────────── */
.rsvp-error-banner {
  display: none;
  background: #fdf2f2;
  border: 1px solid #f5c6c6;
  border-radius: var(--radius-sm);
  padding: var(--sp-4) var(--sp-6);
  margin-bottom: var(--sp-6);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: #c0392b;
  text-align: center;
}

.rsvp-error-banner.is-visible {
  display: block;
}

/* ── Responsive tweaks for invitation sections ───────────── */
@media (max-width: 767px) {
  .radio-group {
    grid-template-columns: 1fr 1fr;
  }

  .venue-card {
    padding: var(--sp-8) var(--sp-6);
  }

  .timeline {
    margin-top: var(--sp-8);
  }
}