/* ============================================================
   柏丽顿酒店 · 暴风雨 SPA 预约系统
   公共样式：颜色变量、字体、按钮、卡片、加载、动画
   ============================================================ */

:root {
  /* 主色：香槟金 + 深海蓝，体现轻奢酒店感 */
  --gold:        #C9A961;
  --gold-soft:   #D9BE85;
  --gold-deep:   #A88A4A;
  --navy:        #1B2845;
  --navy-soft:   #2C3E5F;
  --cream:       #F8F5F0;   /* 浅底色 */
  --ivory:       #FBFAF7;
  --line:        #E8E2D5;   /* 分割线 */
  --text:        #2C2C2C;
  --text-soft:   #6B6B6B;
  --text-mute:   #A0A0A0;

  /* 状态色（按中国股市习惯：少=绿提示安全、绿=请尽快） */
  --ok:          #2E7D5B;   /* 可预约 */
  --ok-bg:       #EAF5EF;
  --warn:        #C77B30;   /* 少量剩余 */
  --warn-bg:     #FBF1E5;
  --full:        #B0A89A;   /* 已满 */
  --full-bg:     #EFEBE2;
  --danger:      #B54236;   /* 危险/取消 */
  --danger-bg:   #F7E6E3;

  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   22px;

  --shadow-sm:   0 1px 2px rgba(27,40,69,0.06);
  --shadow:      0 6px 24px rgba(27,40,69,0.08);
  --shadow-lg:   0 12px 40px rgba(27,40,69,0.12);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--cream);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }
a { color: var(--gold-deep); text-decoration: none; }

/* ===== 通用布局 ===== */
.app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--cream);
  position: relative;
  padding-bottom: 100px;
}
.app--admin { max-width: 1080px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.topbar__title {
  font-size: 17px; font-weight: 600;
  color: var(--navy);
  letter-spacing: 1px;
}
.topbar__back {
  display: flex; align-items: center; gap: 4px;
  color: var(--text-soft); font-size: 14px;
  padding: 6px 10px; border-radius: var(--radius-sm);
  transition: background .2s;
}
.topbar__back:active { background: var(--cream); }

/* ===== Logo 区 ===== */
.hero {
  text-align: center;
  padding: 22px 18px 14px;
}
.hero__logo {
  width: 120px; height: auto;
  margin: 0 auto 8px;
  filter: drop-shadow(0 4px 12px rgba(201,169,97,0.25));
}
.hero__name {
  font-size: 18px; font-weight: 600;
  color: var(--navy);
  letter-spacing: 4px;
  margin: 6px 0 2px;
}
.hero__sub {
  font-size: 12px; color: var(--gold-deep);
  letter-spacing: 6px;
  margin-bottom: 4px;
}
.hero__divider {
  width: 60px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 10px auto;
}
.hero__tagline {
  font-size: 13px; color: var(--text-soft);
  letter-spacing: 1px;
}
.hero__contact {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.6;
}
.hero__contact a { color: var(--navy); text-decoration: none; }

/* ===== 卡片 ===== */
.card {
  background: var(--ivory);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px 18px;
  margin: 14px 18px;
  border: 1px solid var(--line);
}
.card--promo {
  padding: 0;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 7;
  background: var(--navy);
}
.card--promo img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.85;
}
.card--promo__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px;
  background: linear-gradient(180deg, transparent, rgba(27,40,69,0.85));
  color: #fff;
}
.card--promo__title {
  font-size: 18px; font-weight: 600; letter-spacing: 2px;
}
.card--promo__sub {
  font-size: 12px; opacity: .85; letter-spacing: 3px; margin-top: 4px;
}
.card__title {
  font-size: 15px; font-weight: 600; color: var(--navy);
  margin: 0 0 12px; display: flex; align-items: center; gap: 8px;
}
.card__title::before {
  content: '';
  width: 3px; height: 14px;
  background: var(--gold);
  border-radius: 2px;
}
.card__hint {
  font-size: 12px; color: var(--text-mute);
  margin-top: 8px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px; font-weight: 500;
  letter-spacing: 1px;
  transition: all .25s cubic-bezier(.4, 0, .2, 1);
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(201,169,97,0.35);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(201,169,97,0.45); }
.btn--primary:active { transform: translateY(0); }
.btn--primary:disabled {
  background: var(--full);
  box-shadow: none;
  color: #fff; opacity: .6;
  cursor: not-allowed;
}
.btn--ghost {
  background: transparent;
  color: var(--gold-deep);
  border: 1px solid var(--gold);
}
.btn--ghost:hover { background: rgba(201,169,97,0.08); }
.btn--ghost:disabled { color: var(--text-mute); border-color: var(--line); cursor: not-allowed; }
.btn--block { display: flex; width: 100%; }
.btn--sm { padding: 8px 14px; font-size: 13px; }
.btn--danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn--danger:hover { background: var(--danger); color: #fff; }

/* ===== 表单 ===== */
.form-row { margin-bottom: 14px; }
.form-label {
  display: block;
  font-size: 13px; color: var(--text-soft);
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.form-input, .form-select {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  transition: border-color .2s, box-shadow .2s;
  appearance: none;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,97,0.15);
}
.form-input::placeholder { color: var(--text-mute); }

/* ===== 状态徽标 ===== */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px; font-weight: 500;
  letter-spacing: 1px;
}
.badge--ok   { background: var(--ok-bg);   color: var(--ok); }
.badge--warn { background: var(--warn-bg); color: var(--warn); }
.badge--full { background: var(--full-bg); color: var(--full); }
.badge--danger { background: var(--danger-bg); color: var(--danger); }

/* ===== Loading / Toast ===== */
.loading-mask {
  position: fixed; inset: 0;
  background: rgba(248,245,240,0.92);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 999;
}
.loading-spinner {
  width: 38px; height: 38px;
  border: 2px solid var(--line);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { margin-top: 12px; color: var(--text-soft); font-size: 13px; letter-spacing: 1px; }

.toast {
  position: fixed; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(27,40,69,0.92);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 1001;
  max-width: 86vw;
  text-align: center;
  letter-spacing: 1px;
  animation: toastIn .3s ease;
  box-shadow: var(--shadow-lg);
}
.toast--ok    { background: var(--ok); }
.toast--err   { background: var(--danger); }
.toast--warn  { background: var(--warn); }
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, -45%); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}

/* ===== 空状态 ===== */
.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-mute);
  font-size: 14px;
}
.empty__icon {
  font-size: 48px; margin-bottom: 8px;
  color: var(--gold-soft);
  letter-spacing: 4px;
}

/* ===== 底部品牌区 ===== */
.footer {
  text-align: center;
  padding: 30px 20px 40px;
  color: var(--text-mute);
  font-size: 11px;
  letter-spacing: 2px;
}
.footer__brand {
  color: var(--gold-deep);
  letter-spacing: 4px;
  font-size: 12px;
  margin-bottom: 4px;
}