/* ══════════════════════════════════════
   MODAL OVERLAY
══════════════════════════════════════ */
.modal-ov {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .65);
  backdrop-filter: blur(6px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-ov.open { display: flex; }

.modal {
  background: #fff;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: mIn .35s ease;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--sub);
  transition: color .3s;
  line-height: 1;
  z-index: 1;
}
.modal-close:hover { color: var(--text); }


/* ══════════════════════════════════════
   STEP INDICATOR
══════════════════════════════════════ */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 32px;
  padding: 32px 48px 0;
}

.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--tr);
}
.step-dot.done    { background: var(--gold); color: #fff; }
.step-dot.active  { background: var(--gold); color: #fff; box-shadow: 0 0 0 4px rgba(181,147,90,.2); }
.step-dot.pending { background: #f0ece0; color: #aaa; }

.step-line {
  flex: 1;
  height: 1px;
  background: #e8e2d8;
}
.step-line.done { background: var(--gold); }


/* ══════════════════════════════════════
   STEP PANELS
══════════════════════════════════════ */
.step-panel {
  display: none;
  padding: 0 48px 48px;
}
.step-panel.active { display: block; }

.step-header {
  padding: 40px 48px 0;
  margin-bottom: 8px;
}

.step-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.step-sub {
  font-size: .85rem;
  color: var(--sub);
  line-height: 1.6;
}


/* ══════════════════════════════════════
   FORM INPUTS (Step 1)
══════════════════════════════════════ */
.form-label {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.form-required {
  color: var(--gold);
  font-size: .8rem;
}

.form-optional {
  color: #aaa;
  font-size: .68rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.form-input {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  padding: 11px 14px;
  font-family: var(--sans);
  font-size: .92rem;
  color: var(--text);
  outline: none;
  transition: border-color .25s;
  display: block;
}
.form-input::placeholder { color: #bbb; }
.form-input:focus  { border-color: var(--gold); }
.form-input.input-error { border-color: #e05252; animation: shake .3s ease; }

@keyframes shake {
  0%,100% { transform: translateX(0); }
  25%      { transform: translateX(-6px); }
  75%      { transform: translateX(6px); }
}

/* ══════════════════════════════════════
   CALENDAR PICKER
══════════════════════════════════════ */
.cal-wrap {
  margin: 16px 0 8px;
}

/* ── 月份導航 ── */
.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cal-nav-label {
  font-family: var(--serif);
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}

.cal-nav-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--tr);
  border-radius: 2px;
  line-height: 1;
}
.cal-nav-btn:hover:not(:disabled) {
  border-color: var(--gold);
  color: var(--gold);
  background: #fdfaf5;
}
.cal-nav-btn--disabled,
.cal-nav-btn:disabled {
  color: #ccc;
  border-color: #eee;
  cursor: default;
  background: #fafafa;
}

.cal-month {
  margin-bottom: 4px;
}

.cal-week-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: 4px;
}
.cal-week-header div {
  font-size: .68rem;
  font-weight: 700;
  color: #aaa;
  letter-spacing: 1px;
  padding: 4px 0;
}
.cal-week-header div:first-child { color: #e05252; }
.cal-week-header div:last-child  { color: #5b8dd9; }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.cal-day {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--tr);
  line-height: 1;
  gap: 2px;
}

.cal-day-num {
  font-size: .85rem;
  line-height: 1;
}

.cal-day--pad   { visibility: hidden; }

.cal-day--empty {
  color: #ccc;
  cursor: default;
  font-size: .85rem;
}

.cal-day--full {
  color: #ccc;
  cursor: not-allowed;
  font-size: .78rem;
}

.cal-badge {
  font-size: .48rem;
  font-weight: 700;
  color: #bbb;
  letter-spacing: .3px;
  line-height: 1;
  white-space: nowrap;
}

.cal-day--avail {
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}
.cal-day--avail:hover {
  background: rgba(181,147,90,.12);
  color: var(--gold);
}

.cal-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  display: block;
  flex-shrink: 0;
}

.cal-day--selected {
  background: var(--gold) !important;
  color: #fff !important;
  box-shadow: 0 2px 10px rgba(181,147,90,.4);
}
.cal-day--selected .cal-dot {
  background: rgba(255,255,255,.6);
}

/* 選中資訊列 */
.cal-info {
  font-size: .82rem;
  color: var(--sub);
  text-align: center;
  padding: 10px 0 4px;
  min-height: 28px;
  transition: var(--tr);
}
.cal-info--active {
  color: var(--text);
}
.cal-info em {
  color: var(--gold);
  font-style: normal;
  font-weight: 700;
}
.cal-info strong {
  color: var(--text);
  font-weight: 700;
}


/* ══════════════════════════════════════
   PEOPLE SELECTOR
══════════════════════════════════════ */
.people-row {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 20px 0 8px;
  border: 1px solid var(--border);
}

.ppl-btn {
  width: 48px;
  height: 48px;
  border: none;
  background: #f5f0e8;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--tr);
  flex-shrink: 0;
}
.ppl-btn:hover { background: var(--gold); color: #fff; }

.ppl-num {
  flex: 1;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.price-display {
  background: rgba(181,147,90,.07);
  border: 1px solid rgba(181,147,90,.2);
  padding: 16px 20px;
  margin: 16px 0;
}
.price-display-label  { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--gold); margin-bottom: 4px; }
.price-display-amount { font-family: var(--serif); font-size: 1.8rem; font-weight: 700; color: var(--text); line-height: 1; }
.price-display-note   { font-size: .75rem; color: var(--sub); margin-top: 4px; line-height: 1.5; }


/* ══════════════════════════════════════
   CONTRACT
══════════════════════════════════════ */
.contract-box {
  background: #faf9f7;
  border: 1px solid var(--border);
  padding: 20px 24px;
  max-height: 240px;
  overflow-y: auto;
  margin: 16px 0;
  font-size: .82rem;
  color: var(--sub);
  line-height: 1.9;
}
.contract-box h4 {
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--text);
  margin-bottom: 8px;
  margin-top: 16px;
}
.contract-box h4:first-child { margin-top: 0; }
.contract-box ul { padding-left: 16px; margin-top: 4px; }
.contract-box li { margin-bottom: 4px; }

.agree-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
}
.agree-row input[type=checkbox] {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
}
.agree-row span  { font-size: .85rem; color: var(--text); line-height: 1.6; }
.agree-row strong { color: var(--gold); }


/* ══════════════════════════════════════
   PAYMENT STEP
══════════════════════════════════════ */
.payment-box {
  background: #faf9f7;
  border: 1px solid var(--border);
  padding: 20px 24px;
  margin: 16px 0;
}
.payment-box-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--gold);
  margin-bottom: 14px;
}

.payment-grid {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 4px 12px;
  font-size: .88rem;
}
.payment-grid .pk { color: #999; }
.payment-grid .pv { color: var(--text); font-weight: 600; }
.payment-grid .pv.amount { color: var(--gold); font-size: 1.1rem; font-weight: 700; }

.payment-note {
  font-size: .75rem;
  color: #999;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  line-height: 1.6;
}


/* ══════════════════════════════════════
   LINE BOX
══════════════════════════════════════ */
.line-box {
  background: #06C755;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  margin: 12px 0;
  transition: opacity .3s;
}
.line-box:hover { opacity: .9; }
.line-box-icon  { flex-shrink: 0; }
.line-box-text  { flex: 1; }
.line-box-label { font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: rgba(255,255,255,.8); margin-bottom: 2px; }
.line-box-id    { font-size: 1rem; font-weight: 700; color: #fff; }
.line-box-note  { font-size: .75rem; color: rgba(255,255,255,.8); margin-top: 2px; }
.line-box-arr   { color: rgba(255,255,255,.7); font-size: 1.3rem; }


/* ══════════════════════════════════════
   QR CODE ROW
══════════════════════════════════════ */
.qr-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin: 12px 0;
}
.qr-placeholder {
  width: 90px;
  height: 90px;
  background: #1a1a1a;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .6rem;
  color: #666;
  text-align: center;
  letter-spacing: .5px;
}
.qr-info { flex: 1; font-size: .82rem; color: var(--sub); line-height: 1.7; }
.qr-info strong { color: var(--text); display: block; margin-bottom: 4px; }


/* ══════════════════════════════════════
   STEP NAVIGATION
══════════════════════════════════════ */
.step-nav {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.step-next {
  flex: 1;
  padding: 15px;
  background: var(--gold);
  color: #fff;
  border: none;
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .5px;
  cursor: pointer;
  transition: var(--tr);
}
.step-next:hover    { background: var(--gold-d); }
.step-next:disabled { background: #ccc; cursor: not-allowed; }

.step-back {
  padding: 15px 20px;
  background: transparent;
  color: var(--sub);
  border: 1px solid var(--border);
  font-family: var(--sans);
  font-size: .95rem;
  cursor: pointer;
  transition: var(--tr);
}
.step-back:hover { border-color: var(--text); color: var(--text); }


/* ══════════════════════════════════════
   MODAL RWD
══════════════════════════════════════ */
@media (max-width: 768px) {
  .step-panel    { padding: 0 24px 32px; }
  .step-header   { padding: 28px 24px 0; }
  .step-indicator { padding: 24px 24px 0; }
  .date-grid     { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════
   MODAL — 手機版 Bottom Sheet 風格
══════════════════════════════════════ */
@keyframes mInMobile {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  /* Overlay：底部彈出 */
  .modal-ov {
    align-items: flex-end;
    justify-content: stretch;
    padding: 0;
    background: rgba(0, 0, 0, .7);
  }

  /* Modal：佔滿底部，圓角頂部 */
  .modal {
    max-width: 100%;
    width: 100%;
    max-height: 92svh;
    border-radius: 16px 16px 0 0;
    animation: mInMobile .3s cubic-bezier(.4, 0, .2, 1);
    /* 底部安全區域 */
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  /* 頂部拖拽把手（純 CSS） */
  .modal::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: #ddd;
    border-radius: 2px;
    margin: 12px auto 0;
  }

  /* 關閉按鈕調整 */
  .modal-close {
    top: 16px;
    right: 18px;
    font-size: 1.4rem;
  }

  /* Step 指示器 */
  .step-indicator {
    padding: 20px 20px 0;
    margin-bottom: 20px;
  }

  /* Step header */
  .step-header {
    padding: 16px 20px 0;
    margin-bottom: 4px;
  }
  .step-title {
    font-size: 1.25rem;
    margin-bottom: 4px;
  }
  .step-sub {
    font-size: .82rem;
  }

  /* Step panel */
  .step-panel {
    padding: 0 20px 28px;
  }

  /* 表單輸入：font-size 16px 防 iOS 自動縮放 */
  .form-input {
    font-size: 1rem; /* 16px — iOS 不縮放 */
    padding: 13px 14px;
  }
  .form-label {
    font-size: .7rem;
    letter-spacing: 1.5px;
  }

  /* 日期選擇 */
  .cal-wrap {
    margin: 12px 0 6px;
  }
  .cal-day-num {
    font-size: .82rem;
  }

  /* 人數選擇 */
  .people-row {
    margin: 14px 0 6px;
  }
  .ppl-btn {
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }
  .ppl-num {
    font-size: 1.25rem;
  }

  /* 金額顯示 */
  .price-display {
    padding: 14px 16px;
    margin: 12px 0;
  }
  .price-display-amount {
    font-size: 1.6rem;
  }

  /* 合約條款 */
  .contract-box {
    max-height: 160px;
    padding: 16px 18px;
    font-size: .8rem;
  }

  /* 同意勾選 */
  .agree-row {
    padding: 12px 0;
    gap: 10px;
  }
  .agree-row span {
    font-size: .82rem;
  }

  /* 付款區塊 */
  .payment-box {
    padding: 16px 18px;
    margin: 12px 0;
  }
  .payment-grid {
    grid-template-columns: 60px 1fr;
    font-size: .85rem;
  }

  /* LINE 按鈕 */
  .line-box {
    padding: 14px 18px;
    gap: 12px;
  }
  .line-box-id {
    font-size: .92rem;
  }

  /* QR Code */
  .qr-row {
    gap: 12px;
    margin: 10px 0;
  }

  /* 步驟按鈕：加大觸控目標 */
  .step-next {
    padding: 17px;
    font-size: .92rem;
  }
  .step-back {
    padding: 17px 16px;
    font-size: .92rem;
  }
  .step-nav {
    margin-top: 20px;
    gap: 10px;
  }
}