/* 爱乐伴 · AI智造工坊 家长预约H5
   色彩规矩：Ailebot 蓝为主，黄/橙/绿点缀，不用紫。
   状态永远文字+明暗双编码（不只靠颜色）。 */
:root {
  --blue: #2E6BFF;
  --blue-deep: #1F4FD8;
  --blue-soft: #EAF1FF;
  --yellow: #F5A623;
  --yellow-soft: #FFF4DC;
  --orange: #F0723A;
  --green: #1FA36B;
  --green-soft: #E4F6EE;
  --ink: #1E2430;
  --ink-2: #4A5468;
  --ink-3: #8A93A6;
  --line: #E6E9F0;
  --bg: #F6F7FB;
  --card: #FFFFFF;
  --radius: 18px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
}
#app { max-width: 520px; margin: 0 auto; min-height: 100vh; padding-bottom: 76px; }

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
}
.topbar .logo {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; letter-spacing: -0.5px;
}
.topbar .name { font-weight: 600; font-size: 16px; }
.topbar .sub { font-size: 12px; color: var(--ink-3); }

/* 首页 hero */
.hero {
  background: linear-gradient(160deg, #FFFFFF 0%, var(--blue-soft) 100%);
  padding: 26px 20px 22px;
  border-bottom: 1px solid var(--line);
}
.hero .tagline { font-size: 22px; font-weight: 700; line-height: 1.35; }
.hero .tagline em { font-style: normal; color: var(--blue-deep); }
.hero .desc { color: var(--ink-2); font-size: 14px; margin-top: 8px; }
.hero .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2);
}
.chip.c-blue { color: var(--blue-deep); border-color: #C9DAFF; background: #fff; }
.chip.c-green { color: var(--green); border-color: #BFE8D6; }
.chip.c-orange { color: var(--orange); border-color: #FAD4C2; }

section.block { padding: 18px 16px 6px; }
h2.sect { font-size: 17px; margin: 0 0 4px; display: flex; align-items: baseline; gap: 8px; }
h2.sect small { font-size: 12px; color: var(--ink-3); font-weight: 400; }
a.plain { text-decoration: none; color: var(--blue-deep); font-size: 13px; }

/* 场地三块 */
.space-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.space-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 10px; text-align: center;
}
.space-card .num { font-size: 20px; font-weight: 700; }
.space-card .num small { font-size: 12px; font-weight: 400; color: var(--ink-3); }
.space-card .t { font-size: 12px; color: var(--ink-2); margin-top: 2px; }
.space-card:nth-child(1) .num { color: var(--blue-deep); }
.space-card:nth-child(2) .num { color: var(--green); }
.space-card:nth-child(3) .num { color: var(--orange); }

/* 课程介绍卡（LebotSchool 风格，蓝色化：编号徽章+场景+tags+虚线底栏） */
.course-count { color: var(--ink-3); font-size: 13px; padding: 4px 0 10px; }
.course-count b { color: var(--ink); }
.cc-grid { display: flex; flex-direction: column; gap: 12px; padding-bottom: 8px; }
.cc-card {
  position: relative; background: var(--card); border: 1.5px solid var(--line);
  border-radius: 16px; padding: 16px 16px 14px;
  display: flex; flex-direction: column; gap: 7px;
  overflow: hidden;
  transition: transform .18s, box-shadow .18s;
}
.cc-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--blue);
}
.cc-card.cat-bx::before { background: var(--blue); }
.cc-card.cat-learn::before { background: var(--green); }
.cc-card.cat-practice::before { background: var(--yellow); }
.cc-card:active { transform: scale(.99); }
.cc-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cc-id {
  display: inline-flex; align-items: center; font-size: 12px; font-weight: 800;
  color: var(--blue-deep); background: var(--blue-soft);
  padding: 3px 10px; border-radius: 8px; letter-spacing: .5px;
}
.cat-learn .cc-id { color: var(--green); background: var(--green-soft); }
.cat-practice .cc-id { color: #B45309; background: var(--yellow-soft); }
.cc-dur { font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.cc-name { font-size: 16.5px; font-weight: 800; margin: 2px 0 0; color: var(--ink); line-height: 1.3; letter-spacing: -.2px; }
.cc-scen { font-size: 13px; color: var(--ink-2); margin: 0; font-weight: 500; }
.cc-intro {
  font-size: 13px; color: var(--ink-2); margin: 0; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.cc-tag {
  font-size: 11px; color: var(--ink-2); background: #F3F5F9;
  border: 1px solid var(--line); border-radius: 7px; padding: 3px 8px; line-height: 1.3;
}
.cc-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-top: 4px; padding-top: 11px; border-top: 1.5px dashed var(--line);
}
.cc-grades { font-size: 12px; font-weight: 700; color: var(--blue-deep); background: var(--blue-soft); padding: 3px 10px; border-radius: 999px; }
.cc-series {
  font-size: 12px; color: var(--ink-3); text-align: right; max-width: 56%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500;
}

/* 排期 */
.date-group { margin: 14px 0 8px; display: flex; align-items: baseline; gap: 8px; }
.date-group .d { font-size: 15px; font-weight: 600; }
.date-group .w { font-size: 12px; color: var(--ink-3); }
.session-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 10px;
}
.session-card .row1 { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.session-card h3 { margin: 0; font-size: 15px; flex: 1; }
.session-card .time { font-variant-numeric: tabular-nums; }
.session-card .meta { font-size: 12px; color: var(--ink-2); margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px 12px; }
.badge {
  flex: none; font-size: 12px; padding: 3px 10px; border-radius: 999px; white-space: nowrap;
  border: 1px solid transparent;
}
.badge.ok { background: var(--green-soft); color: var(--green); border-color: #BFE8D6; }
.badge.few { background: var(--yellow-soft); color: #9A6B10; border-color: #F2DCA8; }
.badge.full { background: #EFEFEF; color: #6B6B6B; border-color: #DDDDDD; }
.badge.end { background: #F1F2F5; color: #8A93A6; border-color: var(--line); }
.badge.cancel { background: #F1F2F5; color: #6B6B6B; border-color: var(--line); text-decoration: line-through; }
.badge.mine { background: var(--blue-soft); color: var(--blue-deep); border-color: #C9DAFF; }
.session-card .btn-mini {
  margin-top: 10px; width: 100%;
}
.session-card.disabled { opacity: .62; }

/* 按钮 */
.btn {
  display: block; width: 100%; border: none; cursor: pointer;
  background: var(--blue); color: #fff;
  font-size: 16px; font-weight: 600; font-family: inherit;
  border-radius: 14px; padding: 13px 16px; text-align: center;
}
.btn:active { background: var(--blue-deep); }
.btn[disabled] { background: #B9C6E4; }
.btn.ghost {
  background: #fff; color: var(--blue-deep); border: 1px solid #C9DAFF;
}
.btn.ghost.danger { color: #6B6B6B; border-color: #DDDDDD; background: #F6F7F9; }
.btn-mini {
  display: block; width: 100%; border: none; cursor: pointer;
  background: var(--blue-soft); color: var(--blue-deep);
  border-radius: 12px; padding: 9px 12px; font-size: 14px; font-weight: 600; font-family: inherit;
}

/* 表单 */
.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 16px; margin-top: 12px; }
.field { padding: 12px 0; border-bottom: 1px solid var(--line); }
.field:last-child { border-bottom: none; }
.field label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.field label .req { color: var(--orange); margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; border: none; outline: none; font-size: 15px; font-family: inherit;
  background: transparent; color: var(--ink); padding: 0;
}
.field textarea { resize: none; min-height: 44px; }
.submit-wrap { padding: 16px 0 8px; }
.hint { font-size: 12px; color: var(--ink-3); margin-top: 8px; }

/* 我的预约 */
.mine-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 10px;
}
.mine-card .code-line { display: flex; justify-content: space-between; align-items: center; }
.mine-card .code { font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: 1px; }
.mine-card .course { font-size: 15px; font-weight: 600; margin-top: 6px; }
.mine-card .when { font-size: 13px; color: var(--ink-2); margin-top: 2px; }
.mine-card .who { font-size: 12px; color: var(--ink-3); margin-top: 4px; }

/* 成功页 */
.success-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; margin-top: 16px;
}
.success-card .icon {
  width: 56px; height: 56px; border-radius: 50%; background: var(--green-soft);
  color: var(--green); font-size: 26px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 12px;
}
.success-card .big-code { font-size: 24px; font-weight: 700; letter-spacing: 2px; margin: 10px 0 2px; }

/* 场地页 */
.visit-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 12px;
}
.visit-card h3 { margin: 0 0 6px; font-size: 15px; }
.visit-card p { margin: 4px 0; font-size: 14px; color: var(--ink-2); }
.visit-card .kv { display: flex; gap: 10px; font-size: 14px; margin-top: 8px; }
.visit-card .kv .k { flex: none; color: var(--ink-3); }
.warn-box {
  background: var(--yellow-soft); border: 1px solid #F2DCA8; color: #9A6B10;
  border-radius: 14px; padding: 10px 14px; font-size: 13px; margin-top: 10px;
}

/* 底部导航 */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  background: rgba(255,255,255,.97); border-top: 1px solid var(--line);
  display: flex; justify-content: center;
}
.tabbar .inner { display: flex; width: 100%; max-width: 520px; }
.tabbar a {
  flex: 1; text-align: center; padding: 7px 0 9px;
  text-decoration: none; color: var(--ink-3); font-size: 11px;
}
.tabbar a .ico-img {
  width: 26px; height: 26px; display: block; margin: 0 auto 2px;
  object-fit: contain;
}
.tabbar a.on { color: var(--blue-deep); font-weight: 600; }
/* 未选中：统一转灰色，保证三个图颜色深浅一致 */
.tabbar a:not(.on) .ico-img { filter: grayscale(1) brightness(1.15); opacity: .55; }

/* toast */
#toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 96px;
  background: rgba(30,36,48,.92); color: #fff; font-size: 14px;
  border-radius: 12px; padding: 10px 18px; z-index: 99;
  opacity: 0; pointer-events: none; transition: opacity .2s;
  max-width: 86vw; text-align: center;
}
#toast.show { opacity: 1; }

.empty { text-align: center; color: var(--ink-3); font-size: 14px; padding: 34px 0; }
.empty .big { font-size: 34px; display: block; margin-bottom: 6px; }
.empty-img { width: 72px; height: 72px; object-fit: contain; display: block; margin: 0 auto 10px; }
.loading { text-align: center; color: var(--ink-3); padding: 30px 0; font-size: 13px; }

/* 成功页图标 */
.success-card .icon-img { width: 64px; height: 64px; object-fit: contain; margin: 0 auto 12px; display: block; }

/* 课程表底部：场地入口 */
.visit-link { text-align: center; padding: 14px 0 20px; }

/* ── 周视图课程表 ── */
.wk-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin: 4px 0 12px; gap: 10px;
}
.wk-btn {
  width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--line);
  background: #fff; color: var(--blue-deep); font-size: 20px; font-weight: 600;
  cursor: pointer; line-height: 1; flex: none;
}
.wk-btn:active { background: var(--blue-soft); }
.wk-range { font-size: 14px; font-weight: 600; color: var(--ink); text-align: center; }
.wk-this {
  display: inline-block; font-size: 11px; font-weight: 500; color: var(--blue-deep);
  background: var(--blue-soft); border-radius: 999px; padding: 1px 8px; margin-left: 4px;
  vertical-align: 1px;
}
.wk-grid {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.wk-head { display: grid; grid-template-columns: repeat(7, 1fr); border-bottom: 1px solid var(--line); }
.wk-col-h {
  padding: 8px 2px; text-align: center; border-left: 1px solid var(--line);
}
.wk-col-h:first-child { border-left: none; }
.wk-col-h .wd { display: block; font-size: 12px; color: var(--ink-2); }
.wk-col-h .dt { display: block; font-size: 11px; color: var(--ink-3); margin-top: 1px; }
.wk-col-h.today { background: var(--blue-soft); }
.wk-col-h.today .wd, .wk-col-h.today .dt { color: var(--blue-deep); font-weight: 600; }

.wk-body { display: grid; grid-template-columns: repeat(7, 1fr); min-height: 330px; }
.wk-col {
  border-left: 1px solid var(--line); padding: 8px 5px; min-height: 330px;
  display: flex; flex-direction: column; gap: 7px;
}
.wk-col:first-child { border-left: none; }
.wk-col.today { background: #F4F8FF; }
.wk-none { text-align: center; color: #D5DAE4; font-size: 12px; padding-top: 24px; }

.wk-cell {
  border: none; cursor: pointer; text-align: left; font-family: inherit;
  border-radius: 9px; padding: 8px 7px; font-size: 11px; line-height: 1.4;
  display: flex; flex-direction: column; gap: 3px; width: 100%;
  background: var(--blue-soft); color: var(--blue-deep);
  box-shadow: inset 0 0 0 1px #D3E2FF;
}
.wk-cell:active { transform: scale(.97); }
.wk-cell .tm { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 11px; }
.wk-cell .tt {
  font-weight: 600; color: var(--ink); font-size: 11px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.wk-cell .st { font-size: 10px; font-weight: 600; color: var(--blue-deep); opacity: .8; }
.wk-cell.few { background: var(--yellow-soft); box-shadow: inset 0 0 0 1px #F2DCA8; color: #9A6B10; }
.wk-cell.few .st { color: #9A6B10; }
.wk-cell.full { background: #EFF1F5; box-shadow: inset 0 0 0 1px #DFE3EA; color: #6B7280; }
.wk-cell.full .tt { color: var(--ink-3); }
.wk-cell.full .st { color: #6B7280; }
.wk-cell.end, .wk-cell.cancel { background: #F4F5F8; box-shadow: inset 0 0 0 1px #E6E9F0; color: #9AA1B1; opacity: .75; }
.wk-cell.end .tt, .wk-cell.cancel .tt { color: var(--ink-3); }
.wk-cell.end .st, .wk-cell.cancel .st { color: #9AA1B1; }

/* ── 场次详情弹层 ── */
.sheet-mask {
  position: fixed; inset: 0; background: rgba(20,26,40,.45); z-index: 60;
  display: flex; align-items: flex-end; justify-content: center;
}
.sheet {
  width: 100%; max-width: 520px; background: #fff;
  border-radius: 22px 22px 0 0; padding: 12px 20px 26px;
  max-height: 82vh; overflow-y: auto;
}
.sheet-bar { width: 40px; height: 4px; border-radius: 4px; background: #E0E4EC; margin: 2px auto 14px; }
.sheet h3 { margin: 0; font-size: 18px; }
.sheet-sub { font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.sheet-meta {
  display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--ink-2);
  margin-top: 10px; padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.sheet-meta .time { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--blue-deep); }
.sheet-intro { font-size: 14px; color: var(--ink-2); margin: 12px 0 0; }
.sheet-hl { font-size: 13px; color: var(--ink-3); margin-top: 8px; display: flex; flex-direction: column; gap: 2px; }
.sheet-actions { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }