:root {
  --bg: #f3f5fb;
  --surface: #ffffff;
  --surface-2: #f1f4fa;
  --border: #e3e8f2;
  --text: #1c2333;
  --text-soft: #64748b;
  --primary: #4f46e5;
  --primary-2: #7c3aed;
  --primary-soft: #e0e7ff;
  --accent: #0ea5a4;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(30, 27, 75, 0.05), 0 10px 28px -14px rgba(30, 27, 75, 0.18);
  --shadow-sm: 0 1px 2px rgba(30, 27, 75, 0.06);
  --grad: linear-gradient(120deg, #4f46e5, #7c3aed);
  --grad-soft: linear-gradient(120deg, #eef2ff, #fdf4ff);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(1100px 420px at 15% -10%, rgba(79, 70, 229, 0.08), transparent 60%),
    radial-gradient(900px 380px at 85% -10%, rgba(14, 165, 164, 0.07), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.hidden { display: none !important; }

/* ---------- 登录 / 注册门 ---------- */
.gate {
  position: fixed; inset: 0;
  background:
    radial-gradient(640px 420px at 20% 20%, rgba(79, 70, 229, 0.14), transparent 60%),
    radial-gradient(560px 420px at 80% 30%, rgba(14, 165, 164, 0.12), transparent 60%),
    linear-gradient(140deg, #eef2ff, #fdf4ff 55%, #f0fdfa);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.gate-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  padding: 38px 34px 30px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 20px 60px -20px rgba(30, 27, 75, 0.35);
  width: 356px;
  text-align: center;
}
.gate-logo {
  font-size: 44px;
  width: 76px; height: 76px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 22px;
  background: var(--grad-soft);
  box-shadow: inset 0 0 0 1px rgba(79, 70, 229, 0.12);
}
.gate-card h1 { font-size: 21px; margin: 6px 0 4px; letter-spacing: 0.5px; }
.gate-hint { color: var(--text-soft); margin: 0 0 20px; font-size: 13px; }
.gate-form { display: flex; flex-direction: column; gap: 11px; }
.gate-tip { color: var(--text-soft); font-size: 11px; margin-top: 16px; }
.gate-tip code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
.gate-switch { text-align: center; font-size: 13px; color: var(--text-soft); margin: 4px 0 0; }
.gate-switch a { color: var(--primary); text-decoration: none; font-weight: 600; }
.gate-demo-btn { width: 100%; margin-top: 14px; }

/* ---------- 布局 ---------- */
.app { max-width: 1120px; margin: 0 auto; padding: 0 18px 48px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin: 18px 0 16px;
  padding: 20px 24px;
  border-radius: 20px;
  background: linear-gradient(130deg, #1e1b4b 0%, #312e81 40%, #4f46e5 78%, #6d28d9 100%);
  color: #fff;
  box-shadow: 0 16px 40px -18px rgba(49, 46, 129, 0.65);
  position: relative;
  overflow: hidden;
}
.topbar::after {
  content: '';
  position: absolute; right: -60px; top: -70px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 65%);
}
.topbar::before {
  content: '';
  position: absolute; left: 30%; bottom: -80px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 164, 0.25), transparent 65%);
}
.brand { display: flex; align-items: center; gap: 14px; position: relative; z-index: 1; }
.brand-logo {
  font-size: 26px;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
}
.brand-title { font-weight: 800; font-size: 18px; letter-spacing: 0.3px; }
.brand-sub { color: rgba(255, 255, 255, 0.72); font-size: 12px; margin-top: 1px; }
.topbar-actions { display: flex; gap: 8px; align-items: center; position: relative; z-index: 1; flex-wrap: wrap; }
.acct-badge {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 6px 14px; font-size: 12px; color: #fff; max-width: 280px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.acct-badge .ab-school { font-weight: 700; }
.acct-badge .ab-phone { color: rgba(255, 255, 255, 0.75); }

.tabs {
  display: flex; gap: 6px;
  background: var(--surface);
  padding: 7px;
  border-radius: 16px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-sm);
  position: sticky; top: 12px; z-index: 10;
  overflow-x: auto;
}
.tab {
  flex: 1; white-space: nowrap;
  border: none; background: transparent;
  padding: 10px 12px; border-radius: 11px;
  cursor: pointer; color: var(--text-soft);
  font-size: 14px; font-weight: 600;
  transition: all .18s ease;
}
.tab:hover { background: var(--surface-2); color: var(--text); transform: translateY(-1px); }
.tab.active {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 18px -6px rgba(79, 70, 229, 0.6);
}

.content { margin-top: 16px; }
.panel { display: none; animation: fade .25s ease; }
.panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid rgba(226, 232, 240, 0.75);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 18px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.card:hover { border-color: rgba(199, 210, 254, 0.9); box-shadow: 0 2px 4px rgba(30, 27, 75, 0.05), 0 18px 40px -20px rgba(30, 27, 75, 0.22); }
.card h2 { margin: 0 0 16px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.card h2::before {
  content: '';
  width: 4px; height: 16px; border-radius: 2px;
  background: var(--grad);
  display: inline-block;
}
.card-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.card-head h2 { margin: 0; }
h3 { margin: 24px 0 10px; font-size: 15px; }
h4 { margin: 0 0 8px; font-size: 13px; color: var(--text-soft); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.span-2 { grid-column: 1 / -1; }
label { font-size: 12px; color: var(--text-soft); font-weight: 600; }

input, select {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
input:hover, select:hover { border-color: #cbd5e1; }
input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.14);
}

.combo { display: flex; gap: 8px; position: relative; }
.combo select { flex: 1; }
.combo .btn-mini { white-space: nowrap; }

.seg { display: flex; gap: 8px; }
.seg-item {
  display: flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 12px; cursor: pointer; font-size: 13px;
  transition: all .15s ease;
}
.seg-item:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.seg-item input { width: auto; accent-color: var(--primary); }
.seg.small { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-soft); }
.seg.small select { width: auto; padding: 6px 8px; }

.student-rows { display: flex; flex-direction: column; gap: 8px; }
.srow { display: flex; gap: 8px; align-items: center; }
.srow select, .srow input { flex: 1; }
.srow .sfeelabel { font-size: 11px; color: var(--text-soft); white-space: nowrap; }
.srow .del { flex: 0 0 auto; }

.preview {
  background: var(--grad-soft);
  border: 1px solid rgba(79, 70, 229, 0.14);
  border-radius: 12px; padding: 12px 14px;
  font-size: 13px; color: var(--text-soft);
}
.preview b { color: var(--primary); }

/* ---------- 按钮 ---------- */
.btn {
  border: 1px solid transparent; border-radius: 10px;
  padding: 9px 15px; cursor: pointer; font-size: 14px; font-weight: 600;
  background: var(--surface-2); color: var(--text);
  transition: all .16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 16px -6px rgba(79, 70, 229, 0.6); }
.btn-primary:hover { box-shadow: 0 8px 20px -6px rgba(79, 70, 229, 0.7); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-soft); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-sm { padding: 6px 11px; font-size: 12px; }
.btn-mini { padding: 8px 11px; font-size: 12px; background: var(--primary-soft); color: var(--primary); }
.btn-block { width: 100%; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ok { background: var(--ok); color: #fff; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 11px 13px; border-bottom: 1px solid var(--border); }
th { color: var(--text-soft); font-weight: 700; font-size: 12px; letter-spacing: .2px; background: #f8fafd; position: sticky; top: 0; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: #f3f6ff; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.tag-ban { background: #ede9fe; color: #6d28d9; }
.tag-zu { background: #cffafe; color: #0e7490; }
.tag-yi { background: #fce7f3; color: #be185d; }
.tag-subj { background: #fef3c7; color: #b45309; }
.tag-warn { background: #fee2e2; color: #b91c1c; }
.tag-ok { background: #dcfce7; color: #15803d; }
.tag-plan { background: #f3e8ff; color: #7c3aed; }
.tag-out { background: #e2e8f0; color: #64748b; }
.subj-badge { display: inline-block; margin-top: 6px; }

/* ---------- 点选 chips（老师卡片 / 学生点选） ---------- */
.chip-select { display: flex; flex-wrap: wrap; gap: 8px; }
.combo .chip-select { flex: 1; min-width: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); padding: 5px 12px 5px 5px;
  cursor: pointer; font-size: 13px; font-weight: 600; color: var(--text);
  transition: all .16s ease; white-space: nowrap;
}
.chip:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); transform: translateY(-1px); box-shadow: 0 4px 10px -4px rgba(79, 70, 229, 0.4); }
.chip-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-soft); color: var(--primary); font-size: 12px; font-weight: 700;
  flex: 0 0 auto;
}
.chip-name { white-space: nowrap; }
.chip-tag { font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; background: #eef2ff; color: var(--primary); }
.chip.on {
  background: var(--grad); border-color: transparent; color: #fff;
  box-shadow: 0 6px 16px -6px rgba(79, 70, 229, 0.6);
}
.chip.on .chip-avatar { background: rgba(255, 255, 255, 0.2); color: #fff; }
.chip.on .chip-tag { background: rgba(255, 255, 255, 0.24); color: #fff; }
.chip.used { opacity: .45; cursor: default; background: var(--surface-2); }
.chip.used:hover { transform: none; border-color: var(--border); color: var(--text); box-shadow: none; background: var(--surface-2); }

/* ---------- 自动补全下拉 ---------- */
.autocomplete-wrap { position: relative; }
.suggest-list {
  position: absolute; left: 0; right: auto; top: calc(100% + 4px);
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); max-height: 220px; overflow-y: auto; z-index: 20;
  list-style: none; padding: 4px; margin: 0;
  min-width: 240px; /* JS 会按 input 实际宽度覆盖；此处仅作最小宽度 */
}
.suggest-list li {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-weight: 600;
}
.suggest-list li:hover, .suggest-list li.active {
  background: var(--primary-soft); color: var(--primary);
}
.suggest-list .suggest-empty {
  color: var(--text-soft); font-size: 12px; padding: 8px 10px; cursor: default;
}
.suggest-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-soft); color: var(--primary); font-size: 12px; font-weight: 700;
  flex: 0 0 auto;
}
.hl { background: #fde68a; color: inherit; border-radius: 3px; padding: 0 1px; }

.renew-note { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; border-radius: 12px; padding: 11px 15px; margin-bottom: 14px; font-size: 13px; }
.renew-ok { background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; border-radius: 12px; padding: 11px 15px; margin-bottom: 14px; font-size: 13px; }
.pkg-track { background: #f1f5f9; border-radius: 999px; height: 10px; overflow: hidden; }
.pkg-fill { height: 100%; background: var(--grad); border-radius: 999px; }
.muted { color: var(--text-soft); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.row-actions { display: flex; gap: 6px; }

.inline-form { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.inline-form input { flex: 1; min-width: 160px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filters select, .filters input { width: auto; }

/* ---------- 日历 ---------- */
.cal-legend { display: flex; gap: 16px; align-items: center; font-size: 12px; color: var(--text-soft); margin: 4px 0 10px; flex-wrap: wrap; }
.cal-legend .lg { display: inline-flex; align-items: center; gap: 5px; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; }
.sw-done { background: #bbf7d0; border: 1px solid #16a34a; }
.sw-plan { background: #ffedd5; border: 1px dashed #ea580c; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; }
.cal-week-row { display: contents; }
.cal-weekday { text-align: center; font-size: 12px; font-weight: 700; color: var(--text-soft); padding: 4px 0; }
.cal-day {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  min-height: 140px; max-height: 380px; padding: 6px 7px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 4px;
  transition: box-shadow .15s, border-color .15s;
}
.cal-day:hover { border-color: #c7d2fe; box-shadow: var(--shadow-sm); }
.cal-day::-webkit-scrollbar { width: 4px; }
.cal-day::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 2px; }
.cal-day.other { opacity: .45; }
.cal-day.today { border-color: var(--primary); box-shadow: inset 0 0 0 1.5px var(--primary), 0 6px 18px -10px rgba(79, 70, 229, 0.45); }
.cal-day .dnum {
  font-size: 12px; font-weight: 700; color: var(--text-soft);
  width: 22px; height: 22px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; flex: 0 0 auto;
}
.cal-day.today .dnum { background: var(--primary); color: #fff; }
.cal-blocks { display: flex; flex-direction: column; gap: 3px; overflow: hidden; }
.cal-block {
  font-size: 11px; line-height: 1.3; border-radius: 7px; padding: 4px 6px;
  border: 1px solid transparent; cursor: default; min-height: 36px;
  display: flex; flex-direction: column; gap: 1px;
  overflow-wrap: anywhere; word-break: break-word;
  transition: box-shadow .15s, transform .15s;
}
.cal-block:hover { transform: translateY(-1px); box-shadow: 0 4px 10px -4px rgba(30, 27, 75, 0.2); }
.cal-block.done { background: linear-gradient(135deg, #f0fdf4, #dcfce7); border-color: #86efac; color: #14532d; }
.cal-block.plan { background: linear-gradient(135deg, #fff7ed, #ffedd5); border: 1px dashed #fb923c; color: #7c2d12; }
.cal-block.compact { flex-direction: row; align-items: center; flex-wrap: wrap; white-space: normal; min-height: 24px; padding: 3px 6px; gap: 2px 5px; }
.cal-block.compact .cb-time { display: inline; margin: 0; font-size: 10px; }
.cal-block.compact .cb-label { font-size: 10px; font-weight: 600; min-width: 0; }
.cb-plan-tag { display: inline-block; background: #ea580c; color: #fff; border-radius: 5px; font-size: 9px; padding: 1px 5px; vertical-align: 1px; align-self: flex-start; }
.cb-done-tag { display: inline-block; background: #16a34a; color: #fff; border-radius: 5px; font-size: 9px; padding: 1px 5px; vertical-align: 1px; align-self: flex-start; }
.cb-time { display: block; font-variant-numeric: tabular-nums; font-weight: 700; margin-top: 1px; }
.name-link { color: var(--primary); cursor: pointer; text-decoration: none; font-weight: 600; }
.name-link:hover { text-decoration: underline; }

.check-inline { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-soft); cursor: pointer; }
.check-inline input { width: auto; accent-color: var(--primary); }
.dur-quick { display: flex; gap: 6px; margin-top: 4px; flex-wrap: wrap; }
.dur-q { background: #eef2ff; color: var(--primary); border: 1px solid #c7d2fe; }
.dur-q:hover { background: var(--primary); color: #fff; }
.time-q { background: #f0fdfa; color: #0f766e; border: 1px solid #99f6e4; }
.time-q:hover { background: var(--accent); color: #fff; }
/* chips 浅色容器 + 快捷小标题，让录入区更整洁 */
.chip-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 10px;
}
.chip-box.flex-1 { flex: 1; min-width: 0; }
.chip-box .chip-select { gap: 7px; }
.quick-cap {
  font-size: 11px; color: var(--text-soft); font-weight: 600;
  margin-top: 8px; letter-spacing: .02em;
}
.time-row { margin-top: 4px; }
.dur-row { margin-top: 4px; }

/* 更多选项折叠（已移除更多选项详情块，样式保留以便后续若回退可启用） */
.more-opt { border: 1px dashed var(--border); border-radius: 12px; padding: 10px 14px; background: #fafbff; }
.more-opt summary { cursor: pointer; font-size: 13px; color: var(--text-soft); font-weight: 600; user-select: none; }
.more-opt summary:hover { color: var(--primary); }
.more-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-top: 12px; }
@media (max-width: 720px) { .more-grid { grid-template-columns: 1fr; } }
#bpResult { margin: 10px 0 0; }

/* ---------- 卡片统计 ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 8px; }
.stat-card {
  background: linear-gradient(165deg, #ffffff, #f7f9ff);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 18px 16px;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 12px 26px -12px rgba(30, 27, 75, 0.25); }
.stat-card::before {
  content: '';
  position: absolute; right: -20px; top: -20px; width: 96px; height: 96px; border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.1), transparent 70%);
}
.stat-card::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--grad);
}
.stat-card .v { font-size: 26px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; position: relative; z-index: 1; }
.stat-card .k { font-size: 12px; color: var(--text-soft); margin-top: 4px; position: relative; z-index: 1; }

/* ---------- 图表 ---------- */
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
.chart-box { background: var(--surface-2); border-radius: 12px; padding: 16px; }
.bar-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; font-size: 12px; }
.bar-label { width: 72px; flex: 0 0 72px; text-align: right; color: var(--text-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { flex: 1; background: #fff; border-radius: 999px; height: 18px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; }
.bar-val { width: 64px; flex: 0 0 64px; text-align: right; font-variant-numeric: tabular-nums; }
.empty { color: var(--text-soft); padding: 26px; text-align: center; }

/* ---------- 弹窗 / toast ---------- */
.modal { position: fixed; inset: 0; background: rgba(30, 27, 75, 0.45); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-card { background: #fff; border-radius: 18px; padding: 24px; width: 380px; max-width: 92vw; box-shadow: 0 24px 70px -24px rgba(30, 27, 75, 0.5); }
.modal-card h3 { margin-top: 0; }
.modal-msg { white-space: pre-wrap; line-height: 1.5; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(120deg, #312e81, #4f46e5);
  color: #fff; padding: 11px 20px; border-radius: 12px; font-size: 13px;
  z-index: 200; box-shadow: 0 12px 30px -8px rgba(49, 46, 129, 0.6);
}

.footer { text-align: center; color: var(--text-soft); font-size: 12px; margin-top: 22px; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}

@media print {
  /* 只保留当前激活面板 + 表格，隐藏导航/操作/输入控件 */
  .topbar, .tabbar, .footer, .row-actions, .more-opt, .form-grid, .inline-form, .cal-toolbar, .suggest-list,
  .filters button, .filters .seg, #btnPayAll, #btnCsvPay, #btnPrintPay, #btnCsvTeacher, #btnCsvStudent, #btnPrintStats, #btnExport, #btnImport, #btnResetDemo {
    display: none !important;
  }
  .panel:not(.active) { display: none !important; }
  body { background: #fff; color: #000; }
  .content { margin-top: 0; padding: 0; }
  .card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
  .filters select { border: none; background: transparent; color: #000; font-weight: 700; width: auto; box-shadow: none; }
  th { background: #f1f5f9 !important; color: #000 !important; }
  .cal-block, .tag, .stat-card, .sw { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}