/* =========================================
   Wedding Page 2 — RSVP Form
   ========================================= */

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

:root {
  --bg:          #F3E5D3;
  --bg-soft:     #FBF7F2;
  --bg-card:     #FFFFFF;
  --text:        #3B2F2A;
  --text-md:     #5B4A42;
  --text-lt:     #9A8880;
  --sage:        #FFF8F0;   /* 主色 */
  --sage-lt:     #FFF8F0;   /* 主色淡 */
  --sage-dk:     #E8D8C0;   /* 主色深 hover */
  --accent:      #8C5D63;
  --gold:        #C8A06A;
  --gold-lt:     #DCBC90;
  --border:      #E5D5C4;
  --red:         #c0392b;
  --white:       #FFFFFF;

  --font-display: 'Noto Serif SC', serif;
  --font-en:      'Noto Serif SC', serif;
  --font-cn:      'Noto Serif SC', serif;

  --radius: 18px;
  --shadow: 0 6px 32px rgba(59,47,42,.08);
  --trans:  all .35s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font-cn); min-height: 100vh; }

/* ── Header ── */
.page-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(243,229,211,.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.back-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-lt); text-decoration: none; font-size: .82rem;
  letter-spacing: .08em; transition: var(--trans);
}
.back-link:hover { color: var(--sage); }
.back-link svg { width: 16px; height: 16px; }
.header-title {
  font-family: var(--font-en); font-size: 1rem;
  letter-spacing: .22em; color: var(--gold); font-weight: 600;
}

/* ── Page Hero ── */
.form-main { max-width: 640px; margin: 0 auto; padding: 0 20px 80px; }

.page-hero { text-align: center; padding: 56px 0 36px; }
.hero-label {
  font-family: var(--font-en); font-size: .72rem;
  letter-spacing: .42em; color: var(--gold); margin-bottom: 12px; text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem,5vw,2.9rem); color: var(--text);
  font-weight: 400; line-height: 1.18; margin-bottom: 12px;
}
.hero-sub { font-size: .85rem; color: var(--text-lt); letter-spacing: .06em; }
.divider-line {
  width: 48px; height: 1px; background: var(--border);
  margin: 26px auto 0;
}

/* ── Form Card ── */
.form-card {
  background: var(--bg-card); border-radius: 24px;
  box-shadow: var(--shadow); padding: 40px 36px;
  border: 1px solid var(--border);
}

/* ── Step Indicator ── */
.step-indicator {
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 32px;
}
.step-dot {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .88rem; font-weight: 700; font-family: var(--font-en);
  color: var(--text-lt); background: var(--white);
  transition: var(--trans); flex-shrink: 0;
}
.step-dot::after { content: attr(data-step); }
.step-dot.active { border-color: var(--gold); color: var(--gold); background: rgba(200,160,106,.1); }
.step-dot.done { border-color: var(--gold); background: var(--gold); color: var(--white); }
.step-dot.done::after { content: '✓'; font-size: .8rem; }
.step-line { flex: 1; height: 1px; background: var(--border); max-width: 80px; }
.step-line.filled { background: var(--gold); }

/* ── Step Content ── */
.step-title {
  font-family: var(--font-display);
  font-size: 1.7rem; font-weight: 400; color: var(--text); margin-bottom: 6px;
}
.step-desc { font-size: .82rem; color: var(--text-lt); margin-bottom: 28px; }

/* ── Form Fields ── */
.field-group { margin-bottom: 20px; }
.field-label {
  display: flex; align-items: center; gap: 7px;
  font-size: .8rem; letter-spacing: .1em;
  color: var(--text-lt); margin-bottom: 8px;
}
.field-label svg { width: 15px; height: 15px; }
.field-input {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--border); border-radius: 12px;
  font-family: var(--font-cn); font-size: .9rem;
  color: var(--text); background: var(--bg-soft);
  outline: none; transition: var(--trans);
}
.field-input:focus {
  border-color: var(--sage); background: var(--white);
  box-shadow: 0 0 0 3px rgba(85,97,78,.12);
}
.field-input.error { border-color: var(--red); }
.field-error { display: block; font-size: .75rem; color: var(--red); margin-top: 5px; min-height: 16px; }

/* ── Attend Options ── */
.attend-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.attend-card {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px; border-radius: 14px;
  border: 1.5px solid var(--border); background: var(--bg-soft);
  cursor: pointer; transition: var(--trans);
}
.attend-card input[type="radio"] { display: none; }
.attend-card:hover { border-color: var(--gold-lt); background: var(--bg); }
.attend-card.selected { border-color: var(--gold); background: var(--bg); box-shadow: 0 2px 12px rgba(200,160,106,.15); }

.attend-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--gold); transition: var(--trans);
}
.attend-icon svg { width: 20px; height: 20px; }
.attend-card.selected .attend-icon { background: var(--gold); color: var(--white); border-color: var(--gold); }

.attend-info { flex: 1; }
.attend-name { display: block; font-size: .92rem; color: var(--text); margin-bottom: 2px; }
.attend-desc { display: block; font-size: .75rem; color: var(--text-lt); }

.attend-check {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); background: transparent;
  transition: var(--trans); flex-shrink: 0;
}
.attend-check svg { width: 11px; height: 11px; opacity: 0; transition: var(--trans); }
.attend-card.selected .attend-check { background: var(--gold); border-color: var(--gold); }
.attend-card.selected .attend-check svg { opacity: 1; }

/* ── Hotel Section ── */
.hotel-section { margin-bottom: 24px; animation: slideDown .3s ease; }
@keyframes slideDown { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:translateY(0)} }

.hotel-card {
  background: var(--bg); border: 1.5px solid var(--border);
  border-left: 3px solid var(--gold-lt);
  border-radius: 14px; padding: 20px;
}
.hotel-header {
  display: flex; align-items: center; gap: 8px;
  font-size: .88rem; color: var(--text-md); margin-bottom: 14px; font-weight: 500;
}
.hotel-header svg { width: 18px; height: 18px; }

.hotel-toggle { display: flex; gap: 10px; }
.toggle-opt input[type="radio"] { display: none; }
.toggle-btn {
  display: block; padding: 12px 24px;
  border: 1.5px solid var(--border); border-radius: 30px;
  min-height: 44px; line-height: 1;
  font-size: .82rem; cursor: pointer;
  color: var(--text-lt); background: var(--bg-card); transition: var(--trans);
}
.toggle-opt input:checked + .toggle-btn {
  background: var(--gold); color: var(--white); border-color: var(--gold);
}

/* ── Date Picker ── */
.date-picker { margin-top: 18px; animation: slideDown .3s ease; }
.date-hint { font-size: .8rem; color: var(--text-lt); margin-bottom: 12px; }
.date-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.date-cell { cursor: pointer; }
.date-cell input { display: none; }
.date-display {
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 8px; border-radius: 12px;
  border: 1.5px solid var(--border); background: var(--white); transition: var(--trans);
}
.date-cell input:checked + .date-display {
  background: var(--gold); border-color: var(--gold); color: var(--white);
}
.date-cell input:checked + .date-display .date-month,
.date-cell input:checked + .date-display .date-week { color: rgba(255,255,255,.8); }
.date-month { font-family: var(--font-en); font-size: .68rem; color: var(--text-lt); }
.date-day { font-family: var(--font-display); font-size: 1.5rem; font-weight: 400; color: var(--text); line-height: 1.2; }
.date-week { font-size: .62rem; color: var(--text-lt); }
.date-tip { font-family: var(--font-cn); font-size: .75rem; color: var(--text-md); margin-top: 10px; font-style: italic; }

/* ── Companion ── */
.companion-section { margin-bottom: 4px; }
.counter-input {
  display: flex; align-items: center;
  border: 1.5px solid var(--border); border-radius: 12px;
  overflow: hidden; width: fit-content; background: var(--bg-soft);
}
.counter-btn {
  width: 44px; height: 44px; border: none; background: transparent;
  font-size: 1.3rem; color: var(--gold); cursor: pointer;
  transition: var(--trans); display: flex; align-items: center; justify-content: center;
}
.counter-btn:hover { background: rgba(200,160,106,.1); }
.counter-val {
  min-width: 52px; text-align: center;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 400;
  color: var(--text);
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  padding: 0 8px; line-height: 44px;
}
.field-hint { display: block; font-size: .74rem; color: var(--text-lt); margin-top: 6px; }

/* ── Confirm Box ── */
.confirm-box {
  background: var(--bg); border-radius: 14px;
  padding: 20px; margin-bottom: 20px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold-lt);
}
.confirm-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.confirm-row:last-child { border-bottom: none; }
.confirm-key { font-size: .78rem; color: var(--text-lt); }
.confirm-val { font-size: .88rem; color: var(--text); text-align: right; }

/* ── Reply Message ── */
.reply-msg {
  background: var(--bg-soft); border: 1.5px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 12px; padding: 16px 20px;
  font-size: .88rem; color: var(--text-md); line-height: 1.7;
  margin-bottom: 24px; display: flex; gap: 10px; align-items: flex-start;
}
.reply-msg::before { content: '✦'; color: var(--accent); font-size: .9rem; margin-top: 3px; flex-shrink: 0; }

/* ── Buttons ── */
.btn-next, .btn-submit {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-lt) 100%);
  color: var(--text); border: none; border-radius: 12px;
  font-family: var(--font-cn); font-size: .92rem; letter-spacing: .1em;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  gap: 8px; transition: var(--trans);
  box-shadow: 0 4px 20px rgba(232,216,192,.4);
}
.btn-next:hover, .btn-submit:hover {
  background: linear-gradient(135deg, var(--sage-dk) 0%, var(--sage) 100%);
  transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,216,192,.55);
}
.btn-next svg, .btn-submit svg { width: 16px; height: 16px; }

.btn-back {
  flex: 1; padding: 14px;
  background: transparent; color: var(--text-lt);
  border: 1.5px solid var(--border); border-radius: 12px;
  font-family: var(--font-cn); font-size: .88rem; letter-spacing: .06em;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  gap: 8px; transition: var(--trans);
}
.btn-back:hover { border-color: var(--sage); color: var(--sage); }
.btn-back svg { width: 14px; height: 14px; }

.btn-row { display: flex; gap: 12px; }
.btn-row .btn-next, .btn-row .btn-submit { flex: 2; width: auto; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(59,47,42,.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; backdrop-filter: blur(6px);
  animation: fadeIn .3s ease;
}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

.modal-box {
  background: var(--bg-card); border-radius: 24px;
  padding: 48px 36px; max-width: 380px; width: 90%;
  text-align: center; box-shadow: 0 20px 60px rgba(59,47,42,.15);
  border: 1px solid var(--border);
  animation: slideUp .4s ease;
}
@keyframes slideUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }

.modal-icon {
  width: 70px; height: 70px; border-radius: 50%;
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; color: var(--sage);
  border: 1px solid var(--border);
}
.modal-icon svg { width: 34px; height: 34px; }
.modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 400; color: var(--text); margin-bottom: 12px;
}
.modal-body { font-size: .86rem; color: var(--text-lt); line-height: 1.75; margin-bottom: 24px; white-space: pre-line; }
.modal-btn {
  width: 100%; padding: 13px;
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-lt) 100%);
  color: var(--text); border: none; border-radius: 12px;
  font-family: var(--font-cn); font-size: .9rem; letter-spacing: .1em;
  cursor: pointer; transition: var(--trans);
}
.modal-btn:hover { background: linear-gradient(135deg, var(--sage-dk) 0%, var(--sage) 100%); }
.modal-btn-ghost {
  background: transparent !important;
  border: 1.5px solid var(--border) !important;
  color: var(--text-lt) !important; box-shadow: none !important;
}
.modal-btn-ghost:hover { border-color: var(--sage) !important; color: var(--sage) !important; }

/* 覆盖弹窗双按钮 */
.overwrite-btns {
  display: flex; gap: 12px; margin-top: 4px;
}
.overwrite-btns .modal-btn { flex: 1; }

/* ── GIF 图标 ── */
.label-gif {
  width: 16px; height: 16px;
  object-fit: contain;
  mix-blend-mode: multiply;
  vertical-align: middle;
}
.btn-gif {
  width: 18px; height: 18px;
  object-fit: contain;
  mix-blend-mode: multiply;
  vertical-align: middle;
  flex-shrink: 0;
}
.attend-icon-gif {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}
.attend-gif {
  width: 36px; height: 36px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
/* 进度图标 */
.step-dot-gif {
  width: 32px; height: 32px;
  object-fit: contain;
  mix-blend-mode: multiply;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
/* 有 GIF 的圆点隐藏数字 */
.step-dot:has(.step-dot-gif)::after { display: none; }
/* 有 GIF 的圆点背景透明 */
.step-dot:has(.step-dot-gif) {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.step-dot { position: relative; overflow: visible; }
/* 弹窗 GIF 图标 */
.modal-icon-gif {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  width: auto !important; height: auto !important;
}
.success-gif {
  width: 80px; height: 80px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

/* ── Hidden ── */
.hidden { display: none !important; }

/* ── 响应式 ── */
@media (max-width: 768px) {
  .page-hero { padding: 40px 0 28px; }
}

@media (max-width: 480px) {
  /* Header：隐藏长标题，只保留返回 */
  .page-header { padding: 12px 16px; }
  .header-title {
    font-size: .78rem; letter-spacing: .08em;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    max-width: 160px;
  }

  /* Hero */
  .page-hero { padding: 32px 0 20px; }
  .hero-title { font-size: clamp(1.5rem,7vw,2rem); }

  /* Form card */
  .form-card { padding: 24px 16px; border-radius: 18px; }

  /* Step 标题 */
  .step-title { font-size: 1.35rem; }
  .step-desc  { margin-bottom: 20px; }

  /* 按钮行：竖排，返回按钮在下 */
  .btn-row { flex-direction: column-reverse; }
  .btn-row .btn-next,
  .btn-row .btn-submit { flex: none; width: 100%; }
  .btn-back { flex: none; width: 100%; }

  /* 住宿 toggle 换行 */
  .hotel-toggle { flex-wrap: wrap; }

  /* Modal */
  .modal-box { padding: 36px 20px; }
  .modal-title { font-size: 1.45rem; }
  /* 覆盖弹窗双按钮 → 竖排 */
  .overwrite-btns { flex-direction: column; }
}