/* ============================================================
   备考工作台 · 设计系统
   布局：桌面左侧栏 + 移动端底部导航；卡片化；无外部依赖
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --bg: #f3f5fa;
  --card: #ffffff;
  --card2: #f5f6fb;
  --text: #1f2437;
  --muted: #6f788c;
  --line: #e6e9f2;
  --line2: #d4d9e8;
  --primary: #5a6df0;
  --primary2: #8b5cf6;
  --primary-soft: #eef0ff;
  --danger: #e5484d;
  --danger-soft: #fdebec;
  --warn: #e8930c;
  --warn-soft: #fdf3e0;
  --ok: #1f9d61;
  --ok-soft: #e6f6ee;
  --radius: 16px;
  --shadow-s: 0 1px 2px rgba(23, 26, 44, .06);
  --shadow: 0 1px 2px rgba(23, 26, 44, .04), 0 6px 20px rgba(23, 26, 44, .06);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  color-scheme: light;
}
[data-theme="dark"] {
  --bg: #0f1219;
  --card: #171c28;
  --card2: #1e2433;
  --text: #e7eaf3;
  --muted: #a3adc4;
  --line: #272e40;
  --line2: #333c52;
  --primary: #6c7fff;
  --primary2: #9271ff;
  --primary-soft: #232a45;
  --danger: #f2666b;
  --danger-soft: #3a2226;
  --warn: #f0a437;
  --warn-soft: #3a2f1c;
  --ok: #3ec98a;
  --ok-soft: #1c3329;
  --shadow-s: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 1px 2px rgba(0, 0, 0, .25), 0 8px 24px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
input, select, textarea { font: inherit; color: inherit; }
a { color: var(--primary); text-decoration: none; }
::selection { background: var(--primary); color: #fff; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 99px; }
::-webkit-scrollbar-track { background: transparent; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3, p { margin: 0; }
svg { flex: none; }

/* ---------- 布局骨架 ---------- */
#app { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }

#sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  padding: 18px 14px 12px;
  background: var(--card); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 16px; }
.brand .logo {
  width: 40px; height: 40px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  display: grid; place-items: center; color: #fff; font-size: 21px;
  box-shadow: 0 4px 12px rgba(90, 109, 240, .35);
}
.brand b { font-size: 16px; display: block; line-height: 1.25; }
.brand small { display: block; color: var(--muted); font-size: 12px; line-height: 1.3; }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: 11px;
  color: var(--muted); font-weight: 500; font-size: 14.5px;
  width: 100%; text-align: left; position: relative;
  transition: background .15s, color .15s;
}
.nav-item:hover { background: var(--card2); color: var(--text); }
.nav-item.active { background: var(--primary-soft); color: var(--primary); font-weight: 650; }
.nav-badge {
  margin-left: auto; background: var(--danger); color: #fff;
  font-size: 11px; font-weight: 700; border-radius: 99px; padding: 1px 7px;
  min-width: 19px; text-align: center;
}
.sidebar-foot {
  margin-top: auto; padding: 12px 10px 4px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  color: var(--muted); font-size: 12px;
}

#main-col { min-width: 0; display: flex; flex-direction: column; }
#topbar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: 15px 24px 10px;
  display: flex; align-items: flex-start; gap: 10px;
}
#topbar h1 { font-size: 20px; font-weight: 750; letter-spacing: -.3px; }
#topbar .sub { color: var(--muted); font-size: 12.5px; margin-top: 1px; }
.tb-actions { margin-left: auto; display: flex; gap: 6px; }

#view {
  padding: 16px 24px 48px;
  width: 100%; max-width: 1120px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 16px;
}

/* ---------- 底部导航 + FAB（移动端） ---------- */
#bottomnav {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
  padding: 5px 6px calc(5px + env(safe-area-inset-bottom));
  justify-content: space-around;
}
.bn-item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  color: var(--muted); font-size: 10.5px; font-weight: 550;
  padding: 5px 8px; border-radius: 10px; min-width: 58px; position: relative;
}
.bn-item.active { color: var(--primary); font-weight: 700; }
.bn-badge {
  position: absolute; top: 1px; right: 10px;
  background: var(--danger); color: #fff; font-size: 10px; font-weight: 700;
  border-radius: 99px; padding: 0 5px; min-width: 16px; line-height: 15px; text-align: center;
}
.fab {
  display: none; position: fixed; right: 16px;
  bottom: calc(84px + env(safe-area-inset-bottom));
  width: 54px; height: 54px; border-radius: 18px; z-index: 70;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff; align-items: center; justify-content: center;
  box-shadow: 0 10px 28px rgba(90, 109, 240, .45);
  transition: transform .15s;
}
.fab:active { transform: scale(.92); }

@media (max-width: 880px) {
  #app { grid-template-columns: 1fr; }
  #sidebar { display: none; }
  #bottomnav { display: flex; }
  #fab { display: flex; }
  #view { padding: 12px 14px calc(104px + env(safe-area-inset-bottom)); }
  #topbar { padding: 12px 16px 8px; }
  #topbar h1 { font-size: 18px; }
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px;
}
.card-h { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.card-h h2 { font-size: 15.5px; font-weight: 700; }
.card-h .h-ic { color: var(--primary); display: grid; place-items: center; }
.card-h .more {
  margin-left: auto; font-size: 13px; font-weight: 600; color: var(--primary);
  display: inline-flex; align-items: center; gap: 1px; padding: 4px 6px; border-radius: 8px;
}
.card-h .more:hover { background: var(--primary-soft); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px; border-radius: 11px;
  font-weight: 600; font-size: 14px; border: 1px solid transparent;
  transition: filter .15s, background .15s, transform .1s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff; box-shadow: 0 4px 14px rgba(90, 109, 240, .35);
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: var(--card); border-color: var(--line2); color: var(--text); }
.btn.ghost:hover { background: var(--card2); }
.btn.soft { background: var(--primary-soft); color: var(--primary); }
.btn.soft:hover { filter: brightness(.97); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.dghost { border-color: color-mix(in srgb, var(--danger) 45%, transparent); color: var(--danger); }
.btn.dghost:hover { background: var(--danger-soft); }
.btn.sm { padding: 6px 12px; font-size: 13px; border-radius: 9px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.iconbtn {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  display: grid; place-items: center; color: var(--muted);
  transition: background .15s, color .15s;
}
.iconbtn:hover { background: var(--card2); color: var(--text); }
.iconbtn.danger:hover { background: var(--danger-soft); color: var(--danger); }

/* ---------- 徽章 / 标签 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 99px;
  background: var(--card2); border: 1px solid var(--line);
  font-size: 12.5px; color: var(--muted); font-weight: 550;
  max-width: 100%;
}
.chip .dot { width: 7px; height: 7px; border-radius: 99px; flex: none; }
.chip.sel {
  background: var(--primary-soft); color: var(--primary); font-weight: 650;
  border-color: color-mix(in srgb, var(--primary) 35%, transparent);
}
.chiprow { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chiprow.scroll { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 3px; scrollbar-width: none; }
.chiprow.scroll::-webkit-scrollbar { display: none; }
.tagchip {
  display: inline-flex; padding: 2px 8px; border-radius: 7px;
  background: var(--primary-soft); color: var(--primary);
  font-size: 11.5px; font-weight: 600;
}
.stchip {
  display: inline-flex; padding: 2px 9px; border-radius: 7px;
  font-size: 11.5px; font-weight: 650;
}
.st-ok { background: var(--ok-soft); color: var(--ok); }
.st-warn { background: var(--warn-soft); color: var(--warn); }
.st-off { background: var(--card2); color: var(--muted); }
.st-red { background: var(--danger-soft); color: var(--danger); }

/* ---------- 分段控件 ---------- */
.seg {
  display: inline-flex; background: var(--card2); border: 1px solid var(--line);
  border-radius: 11px; padding: 3px; gap: 2px; flex-wrap: wrap;
}
.seg button {
  padding: 6px 14px; border-radius: 8px;
  font-size: 13px; color: var(--muted); font-weight: 550;
}
.seg button.on { background: var(--card); color: var(--text); font-weight: 650; box-shadow: var(--shadow-s); }

/* ---------- 表单 ---------- */
.field { margin-bottom: 14px; min-width: 0; }
.field > label {
  display: flex; align-items: baseline; gap: 6px;
  font-size: 13.5px; font-weight: 650; margin-bottom: 6px;
}
.field .req { color: var(--danger); font-style: normal; }
.fhint { font-size: 12px; color: var(--muted); font-weight: 500; margin-left: auto; }
.fhint-b { font-size: 12px; color: var(--muted); margin-top: 5px; }
.input {
  width: 100%; padding: 10px 12px; min-height: 44px;
  border-radius: 11px; border: 1.5px solid var(--line2);
  background: var(--card); font-size: 15px;
  transition: border-color .15s, box-shadow .15s;
}
textarea.input { resize: vertical; min-height: 68px; line-height: 1.55; }
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3.5px var(--primary-soft); }
.input.invalid { border-color: var(--danger); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .frow { grid-template-columns: 1fr; } }
.rangewrap { display: flex; align-items: center; gap: 12px; }
.range { flex: 1; accent-color: var(--primary); min-height: 28px; }
.rv { font-size: 14px; font-weight: 700; min-width: 42px; text-align: right; font-variant-numeric: tabular-nums; }
.swlist { display: flex; gap: 9px; flex-wrap: wrap; padding: 2px 0; }
.sw { position: relative; cursor: pointer; display: inline-block; }
.sw input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.sw span {
  display: block; width: 32px; height: 32px; border-radius: 10px;
  background: var(--c); border: 2.5px solid transparent;
  transition: transform .12s, border-color .12s;
}
.sw:hover span { transform: scale(1.08); }
.sw input:checked + span { border-color: var(--text); transform: scale(1.12); }
.sw input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

/* 模考明细行 */
.bdrows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.bdrow { display: grid; grid-template-columns: 1fr 96px 38px; gap: 8px; align-items: center; }
.bd-sum { font-size: 13px; color: var(--muted); margin-top: 6px; }
.bd-sum b { color: var(--text); font-size: 14px; }

/* ---------- 模态框 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(17, 20, 32, .46);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: fadeIn .18s ease;
}
.modal-mask.out { animation: fadeOut .18s ease forwards; }
.modal {
  background: var(--card); border-radius: 20px;
  width: min(560px, 100%); max-height: min(86vh, 800px);
  display: flex; flex-direction: column;
  box-shadow: 0 24px 64px rgba(8, 10, 22, .3);
  animation: popIn .22s cubic-bezier(.2, .9, .3, 1.2);
}
.modal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px 12px; flex: none;
}
.modal-head h3 { font-size: 16.5px; font-weight: 700; flex: 1; }
.modal-body { padding: 2px 18px 8px; overflow-y: auto; }
.modal-foot {
  display: flex; gap: 10px; padding: 12px 18px 18px; flex: none;
  border-top: 1px solid var(--line); align-items: center;
}
.modal-foot .btn { flex: 1; min-height: 44px; }
.modal-foot .flex1 { flex: 1; }
.confirm-text { font-size: 14px; color: var(--muted); padding: 4px 2px 8px; line-height: 1.7; }
@media (max-width: 620px) {
  .modal-mask { align-items: flex-end; padding: 0; }
  .modal {
    width: 100%; max-height: 92vh; border-radius: 22px 22px 0 0;
    animation: slideUp .26s cubic-bezier(.2, .9, .3, 1);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .modal-mask.out .modal { animation: slideDown .2s ease forwards; }
}
.sheetgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 4px 2px 8px; }
@media (max-width: 480px) { .sheetgrid { grid-template-columns: repeat(2, 1fr); } }
.sg {
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  padding: 14px 6px; border-radius: 14px;
  background: var(--card2); border: 1px solid var(--line);
}
.sg:hover { border-color: color-mix(in srgb, var(--primary) 35%, var(--line)); }
.sg .ic {
  width: 42px; height: 42px; border-radius: 13px;
  background: var(--primary-soft); color: var(--primary);
  display: grid; place-items: center; font-size: 20px;
}
.sg span:last-child { font-size: 12.5px; font-weight: 650; }

/* ---------- Toast ---------- */
#toast-root {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  z-index: 1100; display: flex; flex-direction: column; gap: 8px;
  align-items: center; pointer-events: none; width: max-content; max-width: calc(100vw - 32px);
}
.toast {
  display: flex; gap: 8px; align-items: center;
  background: #161a26; color: #fff;
  padding: 10px 18px; border-radius: 12px;
  font-size: 13.5px; font-weight: 550; max-width: 100%;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
  animation: popIn .2s ease;
}
.toast.err { background: var(--danger); }
.toast.out { opacity: 0; transform: translateY(-8px); transition: .25s; }

/* ---------- 首页：倒计时主卡 ---------- */
.homegrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.span2 { grid-column: span 2; }
@media (max-width: 1020px) { .homegrid { grid-template-columns: 1fr 1fr; } .hero { grid-column: span 2; } }
@media (max-width: 680px) {
  .homegrid { grid-template-columns: 1fr; }
  .hero, .span2 { grid-column: auto; }
}
.hero {
  position: relative; overflow: hidden;
  border-radius: 18px; padding: 22px 24px; color: #fff;
  background: linear-gradient(118deg, #5a6df0 0%, #7d5cf6 55%, #9a58f4 100%);
  display: flex; flex-direction: column; justify-content: center;
  min-height: 172px;
}
.hero::after {
  content: ''; position: absolute; right: -70px; top: -90px;
  width: 250px; height: 250px; border-radius: 50%; background: rgba(255, 255, 255, .13);
}
.hero::before {
  content: ''; position: absolute; left: -40px; bottom: -120px;
  width: 190px; height: 190px; border-radius: 50%; background: rgba(255, 255, 255, .08);
}
.hero > * { position: relative; z-index: 1; }
.h-type { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 650; opacity: .92; flex-wrap: wrap; }
.h-type .chip-lite {
  padding: 2px 10px; border-radius: 99px; background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .3); font-size: 11.5px; font-weight: 600;
}
.h-days { display: flex; align-items: baseline; gap: 9px; margin: 10px 0 2px; }
.h-days b { font-size: 56px; font-weight: 800; line-height: 1; letter-spacing: -2px; font-variant-numeric: tabular-nums; }
.h-days span { font-size: 15px; opacity: .9; }
.h-date { font-size: 13px; opacity: .88; }
.h-bar { margin-top: 15px; height: 6px; border-radius: 99px; background: rgba(255, 255, 255, .22); overflow: hidden; max-width: 430px; }
.h-bar i { display: block; height: 100%; background: #fff; border-radius: 99px; }
.h-sub { font-size: 12px; opacity: .82; margin-top: 6px; }
.h-actions { display: flex; gap: 9px; margin-top: 16px; flex-wrap: wrap; }
.hbtn {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 8px 15px; border-radius: 11px;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28);
  color: #fff; font-size: 13px; font-weight: 650;
}
.hbtn:hover { background: rgba(255, 255, 255, .28); }
.hbtn:active { transform: scale(.96); }

/* 目标卡 */
.target-card { display: flex; flex-direction: column; }
.target-card .t-ic { font-size: 22px; }
.t-goal { font-size: 16.5px; font-weight: 700; line-height: 1.45; margin: 6px 0 2px; overflow-wrap: anywhere; }
.t-none { color: var(--muted); font-weight: 500; font-size: 13.5px; }
.t-score { font-size: 13px; color: var(--muted); margin-top: 2px; }
.t-score b { color: var(--text); font-size: 15px; font-variant-numeric: tabular-nums; }
.t-bar { margin-top: 12px; }
.t-bar .row { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 5px; }

/* 统计瓦片 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 1020px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  display: flex; flex-direction: column; gap: 7px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 16px;
}
.stat .ic { width: 37px; height: 37px; border-radius: 11px; display: grid; place-items: center; }
.stat b { font-size: 22px; font-weight: 800; line-height: 1.15; font-variant-numeric: tabular-nums; letter-spacing: -.5px; }
.stat b small { font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.stat small { color: var(--muted); font-size: 12.5px; }
.stat small .red { color: var(--danger); font-weight: 650; }
.ic.p { background: var(--primary-soft); color: var(--primary); }
.ic.o { background: var(--warn-soft); color: var(--warn); }
.ic.g { background: var(--ok-soft); color: var(--ok); }
.ic.r { background: var(--danger-soft); color: var(--danger); }

/* ---------- 任务行 ---------- */
.trow {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 10px 10px; border-radius: 12px;
  transition: background .15s;
}
.trow:hover { background: var(--card2); }
.trow.clickable { cursor: pointer; }
.trow.overdue { background: color-mix(in srgb, var(--danger) 5%, transparent); }
.cb {
  width: 22px; height: 22px; border-radius: 8px; flex: none;
  border: 2px solid var(--line2); display: grid; place-items: center;
  color: #fff; margin-top: 2px; background: var(--card);
  transition: background .15s, border-color .15s;
}
.cb:hover { border-color: var(--primary); }
.cb.on { background: var(--primary); border-color: var(--primary); }
.cb svg { opacity: 0; transform: scale(.4); transition: .18s; }
.cb.on svg { opacity: 1; transform: scale(1); }
.t-main { flex: 1; min-width: 0; }
.t-title { font-weight: 570; font-size: 14.5px; overflow-wrap: anywhere; }
.trow.done .t-title { text-decoration: line-through; color: var(--muted); }
.t-meta { display: flex; flex-wrap: wrap; gap: 5px 10px; margin-top: 4px; align-items: center; }
.m { font-size: 12px; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
.m.red { color: var(--danger); font-weight: 650; }
.m.strong { color: var(--text); font-weight: 600; }
.prio {
  font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 6px;
  letter-spacing: .5px;
}
.t-note { font-size: 12.5px; color: var(--muted); margin-top: 3px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.ghead {
  font-size: 12.5px; color: var(--muted); font-weight: 700;
  margin: 16px 4px 6px; display: flex; align-items: center; gap: 8px;
}
.ghead:first-child { margin-top: 2px; }
.ghead .n { background: var(--card2); border-radius: 99px; padding: 0 8px; font-size: 11.5px; }

/* ---------- 进度条行 ---------- */
.prow { display: flex; align-items: center; gap: 10px; padding: 8px 4px; border-radius: 10px; cursor: pointer; }
.prow:hover { background: var(--card2); }
.prow .nm {
  width: 88px; flex: none; font-size: 13.5px; font-weight: 620;
  display: flex; gap: 7px; align-items: center; overflow: hidden;
}
.prow .nm span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pbar { flex: 1; height: 8px; border-radius: 99px; background: var(--card2); overflow: hidden; }
.pbar i { display: block; height: 100%; border-radius: 99px; transition: width .5s ease; }
.prow .pv { width: 42px; text-align: right; font-size: 13px; font-weight: 750; font-variant-numeric: tabular-nums; }
.pstats { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--muted); padding: 2px 4px 0; }

/* ---------- 通用列表行 ---------- */
.lcol { display: flex; flex-direction: column; gap: 10px; }
.lrow {
  display: flex; gap: 12px; align-items: center;
  padding: 12px 14px; border-radius: 14px;
  border: 1px solid var(--line); background: var(--card);
  transition: border-color .15s, box-shadow .15s; cursor: pointer;
}
.lrow:hover { border-color: color-mix(in srgb, var(--primary) 40%, var(--line)); box-shadow: var(--shadow-s); }
.lrow .l-ic {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  display: grid; place-items: center; font-size: 19px;
}
.l-main { flex: 1; min-width: 0; }
.l-title { font-weight: 620; font-size: 14.5px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.l-title .name { overflow-wrap: anywhere; }
.l-sub { font-size: 12.5px; color: var(--muted); margin-top: 3px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.l-num { text-align: right; flex: none; }
.l-num b { font-size: 16px; font-weight: 750; font-variant-numeric: tabular-nums; }
.l-num small { display: block; font-size: 11.5px; color: var(--muted); }
.lrow .l-act { display: flex; gap: 2px; flex: none; }
.trend-up { color: var(--ok); font-weight: 700; }
.trend-down { color: var(--danger); font-weight: 700; }

/* 得分率颜色 */
.rate-good { color: var(--ok); }
.rate-mid { color: var(--warn); }
.rate-bad { color: var(--danger); }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 36px 16px 30px; color: var(--muted); }
.empty .e-ic { font-size: 40px; margin-bottom: 10px; filter: saturate(.8); }
.empty p { font-size: 13.5px; margin-bottom: 16px; line-height: 1.7; }

/* ---------- 首页学习卡 ---------- */
.timerbox { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.timer-disp { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -1px; min-width: 108px; }
.timer-disp.live { color: var(--primary); }
.quick-log { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.ql-btn {
  padding: 7px 13px; border-radius: 10px; background: var(--primary-soft); color: var(--primary);
  font-size: 13px; font-weight: 650; display: inline-flex; gap: 5px; align-items: center;
}
.ql-btn:hover { filter: brightness(.96); }

/* 复盘 */
.moods { display: flex; gap: 5px; flex-wrap: wrap; }
.mood {
  font-size: 23px; padding: 4px 8px; border-radius: 11px;
  border: 2px solid transparent; filter: grayscale(.75); opacity: .7;
  transition: .15s; line-height: 1.2; min-width: 44px; min-height: 40px;
}
.mood:hover { filter: none; opacity: 1; }
.mood.on { filter: none; opacity: 1; border-color: var(--primary); background: var(--primary-soft); }
.review-item { display: flex; gap: 10px; padding: 9px 2px; border-top: 1px solid var(--line); font-size: 13px; }
.review-item .d { color: var(--muted); flex: none; width: 60px; font-variant-numeric: tabular-nums; }
.review-item .txt {
  color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---------- 科目卡 ---------- */
.subgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 880px) { .subgrid { grid-template-columns: 1fr; } }
.subcard { display: flex; flex-direction: column; gap: 10px; }
.subcard .s-head { display: flex; align-items: center; gap: 9px; }
.subcard .s-dot { width: 13px; height: 13px; border-radius: 5px; flex: none; }
.subcard .s-name { font-size: 16px; font-weight: 750; flex: 1; }
.subcard .s-tscore { font-size: 12px; color: var(--muted); }
.subcard .s-body { display: flex; gap: 16px; align-items: center; }
.subcard .s-body .ring { flex: none; }
.subcard .s-side { flex: 1; min-width: 0; }
.subcard .s-ctrl { display: flex; align-items: center; gap: 10px; }
.s-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.s-chips .chip { font-size: 11.5px; padding: 2px 9px; }

/* ---------- 图表 CSS ---------- */
.chart .cbar { fill: color-mix(in srgb, var(--primary) 38%, var(--card2)); }
.chart .cbar.hl { fill: var(--primary); }
.chart .cval { fill: var(--text); font-size: 10.5px; font-weight: 650; }
.chart .clab { fill: var(--muted); font-size: 10.5px; font-weight: 550; }
.chart .clab.hl { fill: var(--primary); font-weight: 750; }
.chart .caxis { stroke: var(--line2); }
.chart .cgrid { stroke: var(--line); }
.chart .cline { fill: none; stroke: var(--primary); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.chart .cdot { fill: var(--card); stroke: var(--primary); stroke-width: 2.5; }
.chart .ctarget { stroke: var(--warn); stroke-width: 1.5; stroke-dasharray: 5 5; }
.chart .ctlab { fill: var(--warn); font-size: 10.5px; font-weight: 650; }
.ring .ring-t { fill: var(--text); font-size: 15px; font-weight: 750; font-variant-numeric: tabular-nums; }
.ring .ring-sub { fill: var(--muted); font-size: 10px; }

/* ---------- 顶栏统计条（列表页） ---------- */
.statbar { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.statbar .item { min-width: 76px; }
.statbar b { font-size: 19px; font-weight: 800; font-variant-numeric: tabular-nums; display: block; line-height: 1.2; }
.statbar small { color: var(--muted); font-size: 12px; }
.statbar .sep { width: 1px; height: 30px; background: var(--line); }

/* ---------- 工具条 ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.toolbar .grow { flex: 1; min-width: 150px; }
.searchbox { position: relative; flex: 1; min-width: 150px; max-width: 280px; }
.searchbox .input { padding-left: 36px; }
.searchbox svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); }

/* ---------- 设置页 ---------- */
.setrow { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); }
.setrow:first-of-type { border-top: 0; }
.setrow .s-l { flex: 1; min-width: 0; }
.setrow .s-l b { font-size: 14px; display: block; }
.setrow .s-l small { color: var(--muted); font-size: 12px; }
.typegrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 680px) { .typegrid { grid-template-columns: repeat(2, 1fr); } }
.tcard {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 13px 14px; border-radius: 14px;
  background: var(--card2); border: 1.5px solid var(--line);
  text-align: left; transition: border-color .15s; position: relative;
}
.tcard:hover { border-color: var(--line2); }
.tcard .e { font-size: 22px; line-height: 1; }
.tcard b { font-size: 14px; }
.tcard small { color: var(--muted); font-size: 11.5px; line-height: 1.4; }
.tcard.cur { border-color: var(--primary); background: var(--primary-soft); }
.tcard .hasdata {
  position: absolute; top: 9px; right: 9px; font-size: 10px; font-weight: 700;
  background: var(--ok); color: #fff; padding: 1px 7px; border-radius: 99px;
}

/* ---------- 引导页 ---------- */
#onboarding {
  position: fixed; inset: 0; z-index: 1200; background: var(--bg);
  overflow-y: auto; display: flex; align-items: flex-start; justify-content: center;
  padding: 34px 18px 44px;
}
.ob-card {
  width: min(620px, 100%); background: var(--card);
  border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow);
  padding: 30px 28px; margin: auto 0;
}
.ob-head { text-align: center; margin-bottom: 22px; }
.ob-head .logo {
  width: 62px; height: 62px; border-radius: 20px; margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  display: grid; place-items: center; color: #fff; font-size: 32px;
  box-shadow: 0 10px 26px rgba(90, 109, 240, .4);
}
.ob-head h1 { font-size: 24px; font-weight: 800; letter-spacing: -.5px; }
.ob-head p { color: var(--muted); font-size: 13.5px; margin-top: 6px; }
.ob-types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 560px) { .ob-types { grid-template-columns: repeat(2, 1fr); } .ob-card { padding: 24px 18px; } }
.ob-foot { display: flex; gap: 10px; margin-top: 22px; }
.ob-foot .btn { flex: 1; min-height: 46px; }
.sub-edit { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 10px; }
.sub-edit .se-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 8px 5px 12px; border-radius: 10px;
  background: var(--card2); border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 600;
}
.sub-edit .se-chip button { color: var(--muted); display: grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; }
.sub-edit .se-chip button:hover { color: var(--danger); background: var(--danger-soft); }
.sub-add { display: flex; gap: 8px; }
.sub-add .input { flex: 1; }

/* ---------- 动画 ---------- */
@keyframes fadeIn { from { opacity: 0; } }
@keyframes fadeOut { to { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: scale(.96) translateY(6px); } }
@keyframes slideUp { from { transform: translateY(40px); opacity: .4; } }
@keyframes slideDown { to { transform: translateY(100%); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } }
.fade-in { animation: fadeUp .3s ease; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 杂项 ---------- */
.num { font-variant-numeric: tabular-nums; }
.divider { height: 1px; background: var(--line); margin: 12px 0; }
.view-error { padding: 40px 20px; text-align: center; color: var(--muted); }
.view-error code { display: block; margin-top: 10px; font-size: 12px; color: var(--danger); }
.mini-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 8px; }
.mini-legend i { width: 8px; height: 8px; border-radius: 3px; display: inline-block; margin-right: 5px; }

/* ============================================================
   视图级补充样式（与 JS 生成类名一一对应）
   ============================================================ */

/* ---------- 键值行 / 截断 ---------- */
.kv { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 7px 0; font-size: 13.5px; }
.kv span { color: var(--muted); flex: none; }
.kv b { font-weight: 650; text-align: right; overflow-wrap: anywhere; }
.clamp1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.clamp2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 通用列表行（真题 / 模考） ---------- */
.lrow { cursor: pointer; }
.lr-ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; flex: none; background: var(--primary-soft); color: var(--primary); }
.lr-date { flex: none; width: 50px; text-align: center; background: var(--card2); border-radius: 10px; padding: 5px 2px; }
.lr-date b { display: block; font-size: 13.5px; font-weight: 700; color: var(--text); }
.lr-date small { display: block; font-size: 10px; color: var(--muted); margin-top: 1px; }
.lr-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.lr-t { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-weight: 650; font-size: 14.5px; min-width: 0; }
.lr-t > .clamp1 { flex: 1; min-width: 120px; }
.lr-m { display: flex; gap: 12px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; min-width: 0; align-items: center; }
.lr-score { flex: none; text-align: right; font-weight: 700; display: flex; align-items: baseline; gap: 3px; }
.lr-score b { font-size: 20px; font-weight: 750; }
.lr-score span { font-size: 12px; opacity: .7; }
.lr-score em { font-style: normal; font-size: 11.5px; font-weight: 600; margin-left: 4px; }

/* ---------- 错题卡 ---------- */
.mcard { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; box-shadow: var(--shadow-s); }
.mcard + .mcard { margin-top: 10px; }
.mcard.due { border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); }
.mcard.mastered { opacity: .62; }
.mcard.mastered .m-topic { text-decoration: line-through; color: var(--muted); }
.m-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.m-topic { font-weight: 700; font-size: 15px; flex: 1; min-width: 140px; overflow-wrap: anywhere; }
.m-desc { font-size: 13px; color: var(--muted); margin-top: 8px; overflow-wrap: anywhere; }
.m-foot { display: flex; align-items: center; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.m-info { font-size: 12px; color: var(--muted); flex: 1; min-width: 120px; }
.m-btns { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 科目卡 ---------- */
.subjgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.scard { display: flex; flex-direction: column; gap: 12px; }
.scard-h { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.scard-h .nm { display: flex; align-items: center; gap: 8px; min-width: 0; }
.scard-h .nm b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ring-wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ring-side { flex: 1; min-width: 130px; }
.slider-row { display: flex; align-items: center; gap: 10px; }
.slider-row input[type="range"] { flex: 1; accent-color: var(--primary); }
.slider-row .pv { width: 48px; text-align: right; font-weight: 700; font-size: 14px; }
.pstats { display: flex; gap: 6px 14px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }

/* ---------- 资料卡 ---------- */
.resgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.rcard { display: flex; flex-direction: column; gap: 8px; cursor: pointer; }
.r-head { display: flex; align-items: center; gap: 8px; }
.r-ic { width: 38px; height: 38px; border-radius: 11px; background: var(--card2); display: grid; place-items: center; font-size: 19px; flex: none; }
.r-title { font-weight: 650; font-size: 14.5px; overflow-wrap: anywhere; }
.r-note { font-size: 12.5px; color: var(--muted); }
.r-foot { display: flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 4px; }

/* ---------- 徽章（设置 / 引导） ---------- */
.tbadge { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--muted); background: var(--card2); border-radius: 99px; padding: 2px 9px; border: 1px solid var(--line); white-space: nowrap; }
.tbadge.on { color: var(--primary); background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 25%, transparent); }

/* ---------- 模考科目明细编辑 ---------- */
.bdwrap { display: flex; flex-direction: column; gap: 8px; }
.bdrows { display: flex; flex-direction: column; gap: 8px; }
.bdrow { display: flex; gap: 8px; align-items: center; }
.bd-sub { flex: 2; min-width: 0; }
.bd-score { flex: 1; min-width: 0; }
.bd-sum { font-size: 12.5px; color: var(--muted); }
.bd-sum b { color: var(--primary); font-size: 13.5px; }

/* ---------- 引导 / 设置卡片补充 ---------- */
.ob-cur { display: flex; align-items: center; gap: 12px; }
.ob-cur .logo { width: 44px; height: 44px; border-radius: 13px; background: linear-gradient(135deg, var(--primary), var(--primary2)); display: grid; place-items: center; font-size: 22px; flex: none; }
.ob-cur b { display: block; font-size: 16px; }
.ob-cur small { color: var(--muted); font-size: 12.5px; }
.sub-add { display: flex; gap: 8px; margin-top: 8px; }
.sub-add .input { flex: 1; min-width: 0; }

/* ---------- 其他 ---------- */
.plan-ring { display: flex; }
.bn-ic { display: grid; place-items: center; }
.modal form { margin: 0; }
@media (min-width: 881px) { .tb-set { display: none; } }