/* ===== 班主任工作台 · 样式系统（移动端优先 / 浅色主题） ===== */
/* 禁用网页浏览器式文字选中 / 长按选中 / 右键菜单（输入框除外，保持可编辑） */
*{ -webkit-user-select:none; user-select:none; -webkit-touch-callout:none; -webkit-tap-highlight-color:transparent; }
input, textarea, [contenteditable="true"]{ -webkit-user-select:text; user-select:text; }
:root{
--bg:#f2f4f9;
--card:#ffffff;
--card-2:#fafbfe;
--text:#161a26;
--text-2:#4a5163;
--muted:#8c93a6;
--line:#e9ecf4;
--line-2:#f1f3f9;
--primary:#3a6df0;
--primary-d:#2a53c4;
--primary-s:#ebf1ff;
--teal:#0fa3a3;
--teal-s:#e5f7f7;
--green:#1ea672;
--green-s:#e6f7f0;
--amber:#e8912d;
--amber-s:#fdf2e2;
--red:#e5484d;
--red-s:#fdebec;
--purple:#7a5af0;
--purple-s:#f0ecfe;
--ink:#5b6478;
--r-s:10px; --r-m:14px; --r-l:18px; --r-xl:22px;
--sh-1:0 1px 2px rgba(22,26,38,.04), 0 4px 14px rgba(22,26,38,.05);
--sh-2:0 6px 24px rgba(22,26,38,.10);
--sh-up:0 -4px 20px rgba(22,26,38,.07);
--tab-h:60px;
--fs:16px;
/* 沉浸式状态栏顶部内边距：取刘海安全区与真实状态栏高度之较大值 */
--inset-top: max(env(safe-area-inset-top), var(--sbh, 0px));
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
background:#e6e9f2;
color:var(--text);
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
font-size:var(--fs);
line-height:1.5;
-webkit-font-smoothing:antialiased;
}
button{font-family:inherit;font-size:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700}
::-webkit-scrollbar{width:0;height:0}
/* ===== 外壳 ===== */
.app{
position:relative;width:100%;height:100vh;
display:flex;flex-direction:column;background:var(--bg);overflow:hidden;
}
/* 内容区包裹：用于电脑端侧栏布局；移动/平板下为纵向堆叠 */
.content{flex:1 1 auto;display:flex;flex-direction:column;min-height:0}
/* ===== 自定义标题栏（仅 Electron 桌面端：JS 检测 window.electronAPI 后激活，position:fixed 吸附窗口顶部） ===== */
.titlebar{display:none}
#titlebar{
position:fixed;top:0;left:0;right:0;height:28px;z-index:9999;
background:#fff;border-bottom:1px solid #e5e7eb;
-webkit-app-region:drag;user-select:none;
display:none;align-items:stretch;flex:0 0 auto;
}
/* body 加 class 后 app / 子页面 / 遮罩整体下移，避免内容被 fixed 标题栏遮挡（28px 标题栏 + 余量） */
body.has-titlebar .app{top:28px}
body.has-titlebar .page{top:28px;height:calc(100vh - 28px)}
body.has-titlebar .mask{top:28px}
.tb-left,.tb-right{-webkit-app-region:no-drag;display:flex;align-items:center}
.tb-left{padding:0 0 0 12px}
.tb-right{margin-left:auto}
.tb-logo{height:26px;width:26px;border-radius:6px;margin-right:8px;-webkit-app-region:no-drag}
.tb-name{font-size:14px;font-weight:700;color:#000;padding:0;letter-spacing:.5px}
.tb-ctrl{
background:transparent;border:0;width:48px;height:42px;
color:#000;cursor:pointer;display:flex;align-items:center;justify-content:center;
padding:0;font-family:inherit
}
.tb-ctrl:hover{background:#e8e8e8}
.tb-ctrl.tb-close:hover{background:#e81123;color:#fff}
.tb-ctrl svg{width:14px;height:14px}
/* ===== 顶部栏 ===== */
.topbar{
flex:0 0 auto;padding:calc(12px + var(--inset-top,0px)) 14px 9px;
background:linear-gradient(158deg,#4a7bf7 0%,#3a6df0 42%,#2f56cf 100%);
color:#fff;position:relative;z-index:20;
box-shadow:0 4px 18px rgba(42,83,196,.22);
}
.topbar::after{
content:"";position:absolute;right:-30px;top:-46px;width:150px;height:150px;border-radius:50%;
background:rgba(255,255,255,.09);
}
.topbar-row{display:flex;align-items:center;gap:10px;position:relative;z-index:2}
.class-chip{
display:flex;align-items:center;gap:9px;padding:6px 10px 6px 6px;border-radius:14px;
background:rgba(255,255,255,.16);backdrop-filter:blur(6px);min-width:0;flex:1;
transition:transform .12s ease,background .15s;
}
.class-chip:active{transform:scale(.975);background:rgba(255,255,255,.24)}
.chip-badge{
flex:0 0 auto;width:32px;height:32px;border-radius:10px;background:#fff;color:var(--primary);
display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.chip-text{display:flex;flex-direction:column;min-width:0;align-items:flex-start;line-height:1.25}
.chip-name{font-size:16.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}
.chip-sub{font-size:12px;opacity:.82;white-space:nowrap}
.chip-arrow{width:15px;height:15px;opacity:.9;flex:0 0 auto}
.topbar-actions{display:flex;gap:4px;flex:0 0 auto}
.icon-btn{
width:36px;height:36px;border-radius:11px;display:grid;place-items:center;position:relative;
background:rgba(255,255,255,.14);
}
.icon-btn:active{background:rgba(255,255,255,.26)}
.icon-btn svg{width:19px;height:19px}
.dot-badge{position:absolute;top:8px;right:9px;width:7px;height:7px;border-radius:50%;background:#ffd23f;border:1.5px solid #4a7bf7}
.topbar-time{
display:flex;align-items:center;gap:6px;margin-top:9px;font-size:12.3px;
opacity:.94;position:relative;z-index:2;
}
.tt-icon{width:13px;height:13px;opacity:.9}
.tt-sep{width:1px;height:10px;background:rgba(255,255,255,.45)}
.clock{font-variant-numeric:tabular-nums;letter-spacing:.4px;font-weight:600}
.tt-flex{flex:1}
.tt-week{background:rgba(255,255,255,.2);padding:2px 8px;border-radius:8px;font-size:12px;font-weight:600}
/* ===== 主区 ===== */
.main{flex:1 1 auto;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding-bottom:14px}
.pull-refresh{text-align:center;height:0;overflow:hidden;transition:height .15s;color:var(--muted);font-size:13px;line-height:44px}
.pull-refresh.show{height:44px}
.pull-refresh.ready{color:var(--primary);font-weight:700;font-size:14px}
.view{padding:12px 13px 8px;animation:fade .26s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* ===== Tabbar ===== */
.tabbar{
flex:0 0 auto;height:var(--tab-h);background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
border-top:1px solid var(--line);display:flex;box-shadow:var(--sh-up);padding-bottom:env(safe-area-inset-bottom);
}
.tab{
flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
color:#a3a9ba;position:relative;transition:color .18s;
}
.tab svg{width:22px;height:22px;transition:transform .18s}
.tab span{font-size:13px;font-weight:600;letter-spacing:.2px}
.tab.active{color:var(--primary)}
.tab.active svg{transform:translateY(-1px) scale(1.05)}
.tab:active svg{transform:scale(.9)}
.tab-badge{
position:absolute;top:6px;left:calc(50% + 6px);min-width:16px;height:16px;padding:0 4px;
background:var(--red);color:#fff;border-radius:9px;font-size:10px;font-style:normal;
display:grid;place-items:center;font-weight:700;
}
.tab-badge[hidden]{display:none}
/* 导航栏折叠按钮：默认（手机/平板竖屏底部导航）隐藏，仅桌面/平板横屏左侧导航栏显示 */
.nav-toggle{display:none}
/* ===== 通用卡片 ===== */
.card{background:var(--card);border-radius:var(--r-l);padding:14px;box-shadow:var(--sh-1);margin-bottom:11px}
/* 学生档案四类记录项：统一卡片视觉规范（间距 / 圆角 / 阴影 / 点击态） */
.rec-item{position:relative;padding:10px 12px;border:1px solid var(--line-2);border-radius:var(--r-m);margin-bottom:8px;background:var(--card);cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s}
.rec-item:active{background:var(--line-2)}
.rec-item:hover{border-color:var(--primary);box-shadow:var(--sh-1)}
.rec-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:7px}
.rec-actions .btn{font-size:12px;padding:3px 9px}
.card.tight{padding:11px 13px}
.card.flat{box-shadow:none;border:1px solid var(--line)}
.sec-head{display:flex;align-items:center;gap:8px;margin-bottom:11px}
.sec-title{font-size:15.5px;font-weight:700;letter-spacing:-.2px;display:flex;align-items:center;gap:7px}
.sec-title .bar{width:3.5px;height:15px;border-radius:2px;background:var(--primary)}
.sec-more{margin-left:auto;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:2px}
.sec-more svg{width:13px;height:13px}
.sec-sub{font-size:12px;color:var(--muted);margin-left:auto}
/* 文本 */
.muted{color:var(--muted)}
.small{font-size:14px}
.xsmall{font-size:13px}
.bold{font-weight:700}
.center{text-align:center}
.num{font-variant-numeric:tabular-nums}
/* 标签 */
.tag{display:inline-flex;align-items:center;gap:3px;padding:2px 7px;border-radius:7px;font-size:11px;font-weight:600;white-space:nowrap}
.tag.blue{background:var(--primary-s);color:var(--primary-d)}
.tag.green{background:var(--green-s);color:var(--green)}
.tag.amber{background:var(--amber-s);color:#c2740f}
.tag.red{background:var(--red-s);color:var(--red)}
.tag.purple{background:var(--purple-s);color:var(--purple)}
.tag.teal{background:var(--teal-s);color:var(--teal)}
.tag.orange{background:#fff1e0;color:#c2660a}
.tag.gray{background:#f0f2f7;color:var(--ink)}
/* 按钮 */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 14px;height:38px;
border-radius:11px;background:var(--primary);color:#fff;font-weight:600;font-size:14px;transition:transform .1s,opacity .15s;
}
.btn:active{transform:scale(.97);opacity:.9}
.btn svg{width:16px;height:16px}
.btn.ghost{background:var(--primary-s);color:var(--primary-d)}
.btn.line{background:#fff;color:var(--text-2);border:1px solid var(--line)}
.btn.gray{background:#f0f2f7;color:var(--text-2)}
.btn.danger{background:var(--red-s);color:var(--red)}
.btn.sm{height:31px;font-size:12.5px;padding:0 11px;border-radius:9px}
.btn.block{width:100%}
.btn.lg{height:46px;font-size:15.5px;border-radius:13px}
/* 输入 */
.field{margin-bottom:12px}
.field label{display:block;font-size:12.5px;color:var(--text-2);font-weight:600;margin-bottom:6px}
.input,.textarea,.select{
width:100%;height:42px;padding:0 12px;border-radius:11px;border:1px solid var(--line);
background:var(--card-2);outline:none;transition:border-color .15s,background .15s;
}
.textarea{height:auto;min-height:88px;padding:10px 12px;line-height:1.55;resize:vertical}
.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);background:#fff}
.select{appearance:none;background-image:url("data:image/svg+xml;utf8,");background-repeat:no-repeat;background-position:right 11px center;padding-right:32px}
/* 分隔 */
.hr{height:1px;background:var(--line-2);margin:11px -14px}
.row{display:flex;align-items:center;gap:10px}
.row.between{justify-content:space-between}
.grow{flex:1;min-width:0}
.stack{display:flex;flex-direction:column;gap:9px}
.ellip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 空态 */
.empty{padding:34px 16px;text-align:center;color:var(--muted);font-size:13px}
.empty svg{width:42px;height:42px;opacity:.35;margin-bottom:9px}
/* ===== 工作台 ===== */
.hero{
background:linear-gradient(140deg,#ffffff 0%,#f6f9ff 100%);
border-radius:var(--r-xl);padding:15px 15px 13px;box-shadow:var(--sh-1);margin-bottom:11px;
border:1px solid #eaf0ff;position:relative;overflow:hidden;
}
.hero-greet{font-size:19px;font-weight:800;letter-spacing:-.4px}
.hero-sub{font-size:12.5px;color:var(--muted);margin-top:3px}
.hero-week{display:inline-block;background:var(--primary-s);color:var(--primary-d);font-weight:700;font-size:11px;padding:1px 7px;border-radius:7px;margin-left:2px}
.hero-stats{display:flex;margin-top:13px;gap:6px}
.hstat{flex:1;text-align:center;background:#fff;border-radius:13px;padding:9px 4px;border:1px solid var(--line)}
.hstat b{display:block;font-size:19px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums}
.hstat span{font-size:10.8px;color:var(--muted)}
/* 工作台个性化：hero 齿轮入口 */
.hero-cfg{width:32px;height:32px;border-radius:11px;display:grid;place-items:center;background:var(--primary-s);color:var(--primary-d);margin-right:8px;flex:0 0 auto}
.hero-cfg svg{width:17px;height:17px}
.hero-cfg:active{opacity:.7}
/* 拖拽排序列表 */
.sort-list{position:relative}
.sort-row{display:flex;align-items:center;gap:8px;padding:9px 2px;border-bottom:1px solid var(--line-2);background:#fff;position:relative;transition:box-shadow .15s,opacity .15s}
.sort-row:last-child{border-bottom:0}
.sort-row.dragging{z-index:6;box-shadow:0 6px 18px rgba(22,26,38,.16);border-radius:10px;opacity:.96}
.sort-handle{width:26px;height:30px;display:grid;place-items:center;color:#b9c0d0;cursor:grab;flex:0 0 auto;touch-action:none}
.sort-handle svg{width:16px;height:16px;pointer-events:none}
.sort-row.dragging .sort-handle{cursor:grabbing;color:var(--primary)}
.sort-name{font-size:13.5px;font-weight:600;color:var(--muted)}
.sort-row.on .sort-name{color:var(--text)}
.sort-mv{width:26px;height:26px;border-radius:8px;background:#f2f4f9;color:var(--ink);font-size:13px;font-weight:700;flex:0 0 auto}
.sort-mv[disabled]{opacity:.35}
.sort-sw{width:42px;height:24px;border-radius:12px;background:#dfe3ec;position:relative;flex:0 0 auto;transition:background .18s}
.sort-sw i{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(22,26,38,.2);transition:transform .18s}
.sort-sw.on{background:var(--primary)}
.sort-sw.on i{transform:translateX(18px)}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.qbtn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:9px 2px;border-radius:13px;transition:background .15s}
.qbtn:active{background:var(--line-2)}
.qico{width:42px;height:42px;border-radius:14px;display:grid;place-items:center}
.qico svg{width:20px;height:20px}
.qbtn span{font-size:11px;color:var(--text-2);font-weight:600}
.tl-item{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}
.tl-item:last-child{border-bottom:0;padding-bottom:0}
.tl-time{flex:0 0 46px;text-align:center}
.tl-time b{display:block;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.tl-time span{font-size:10.5px;color:var(--muted)}
.tl-bar{flex:0 0 3px;border-radius:2px;background:var(--primary-s)}
.tl-body{flex:1;min-width:0}
.tl-body h4{font-size:14px;display:flex;align-items:center;gap:6px}
.tl-body p{margin:2px 0 0;font-size:11.8px;color:var(--muted)}
.tl-item.now .tl-bar{background:var(--primary)}
.tl-item.now .tl-body h4{color:var(--primary-d)}
.tl-item.done{opacity:.5}
.todo{display:flex;align-items:flex-start;gap:10px;padding:9px 0;border-bottom:1px solid var(--line-2)}
.todo:last-child{border-bottom:0}
.ck{
flex:0 0 auto;width:20px;height:20px;border-radius:7px;border:1.8px solid #ccd2e0;margin-top:1px;
display:grid;place-items:center;transition:.15s;
}
.ck svg{width:12px;height:12px;color:#fff;opacity:0}
.todo.done .ck{background:var(--green);border-color:var(--green)}
.todo.done .ck svg{opacity:1}
.todo.done .td-txt{text-decoration:line-through;color:var(--muted)}
.td-txt{font-size:14px;line-height:1.4}
.td-meta{font-size:11px;color:var(--muted);margin-top:2px;display:flex;gap:6px;align-items:center}
.td-del{margin-left:auto;color:#c8cddb;padding:2px 4px}
.td-del svg{width:15px;height:15px}
/* ===== 列表项 ===== */
.li{display:flex;align-items:center;gap:11px;padding:10px 0;border-bottom:1px solid var(--line-2)}
.li:last-child{border-bottom:0}
.li:active{background:var(--card-2)}
.avatar{
flex:0 0 auto;width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
font-weight:700;font-size:14.5px;color:#fff;letter-spacing:-.5px;
}
.avatar.sm{width:32px;height:32px;font-size:12.5px;border-radius:11px}
.li-main{flex:1;min-width:0}
.li-title{font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:6px}
.li-desc{font-size:12px;color:var(--muted);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.li-right{flex:0 0 auto;text-align:right;color:var(--muted);font-size:11.5px}
.chev{width:16px;height:16px;color:#ccd2e0;flex:0 0 auto}
/* ===== 分段控件 ===== */
.seg{display:flex;background:#eceff7;border-radius:12px;padding:3px;gap:2px;margin-bottom:12px}
.seg button{flex:1;height:32px;border-radius:9px;font-size:13px;font-weight:600;color:var(--ink);transition:.18s}
.seg button.on{background:#fff;color:var(--primary-d);box-shadow:0 1px 4px rgba(22,26,38,.09)}
/* 5 段分组：窄屏收紧字号，避免换行 */
.seg-5 button{font-size:12px;padding:0 2px;letter-spacing:-.2px}
@media (min-width:520px){.seg-5 button{font-size:13px;padding:0 6px;letter-spacing:0}}
/* 6段标签：3列×2行网格布局 */
.seg-6{ display:grid; grid-template-columns:repeat(3, 1fr); gap:5px; }
.seg-6 button{font-size:12px;padding:6px 4px;justify-content:center}
/* 自定义下拉：wrapper + 内联弹出，零 sheet 依赖 */
.cs-wrap{position:relative;display:block}
.cs-btn{display:flex;align-items:center;gap:8px;width:100%;height:40px;padding:0 12px;background:var(--input-bg, #f5f6fa);border:1px solid var(--line-2, #e2e6ef);border-radius:10px;font-size:14px;color:var(--text);cursor:pointer;text-align:left;-webkit-appearance:none}
.cs-btn::after{content:'';margin-left:auto;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--muted);flex-shrink:0}
.cs-drop{display:none;position:absolute;left:0;right:0;top:100%;margin-top:4px;background:#fff;border:1px solid var(--line-2);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:96;max-height:220px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.cs-drop.on{display:block}
.cs-opt{padding:10px 14px;font-size:14px;color:var(--text);cursor:pointer;border-bottom:1px solid var(--line-2)}
.cs-opt:last-child{border-bottom:none}
.cs-opt:active,.cs-opt:hover{background:var(--primary-s, #ebf1ff)}
.cs-opt.on{color:var(--primary);font-weight:700}
/* 日期 input 统一风格 */
input[type="date"].input{height:40px;padding:0 12px}
/* 座位表 */
.chips{display:flex;gap:7px;overflow-x:auto;padding:1px 0 9px;margin:0 -13px;padding-left:13px;padding-right:13px}
.chip{
flex:0 0 auto;height:30px;padding:0 13px;border-radius:10px;background:#fff;border:1px solid var(--line);
font-size:12.8px;color:var(--text-2);display:flex;align-items:center;gap:5px;font-weight:600;
}
.chip.on{background:var(--primary);border-color:var(--primary);color:#fff}
/* ===== 进度/图表 ===== */
.bar-wrap{height:7px;border-radius:4px;background:#eef1f7;overflow:hidden}
.bar-in{height:100%;border-radius:4px;background:var(--primary);transition:width .5s ease}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
/* 考勤四卡片：一行四列，小屏不换行 */
.mini-grid.four{grid-template-columns:repeat(4,1fr)}
.mini{background:var(--card-2);border:1px solid var(--line);border-radius:13px;padding:10px 8px;text-align:center}
.mini b{display:block;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums}
.mini span{font-size:10.8px;color:var(--muted)}
/* 学生搜索：整行输入框 + 下方按钮，保证小屏文字完整显示 */
.search-row{position:relative}
.search-row .s-ico{position:absolute;left:11px;top:50%;transform:translateY(-50%);font-size:15px;pointer-events:none;opacity:.55}
.search-row .input{padding-left:34px;font-size:14px}
/* 导入列说明：一行显示，响应式字号，小屏不换行 */
.col-hint{display:flex;flex-wrap:nowrap;gap:5px;overflow-x:auto;-webkit-overflow-scrolling:touch;
font-size:12px;color:var(--text-2);background:var(--card-2);border:1px solid var(--line);
border-radius:10px;padding:7px 10px;margin-top:7px;font-family:ui-monospace,Menlo,Consolas,monospace;white-space:nowrap}
.col-hint b{flex:0 0 auto;font-weight:700}
.col-hint i{flex:0 0 auto;opacity:.4;font-style:normal}
svg.chart{display:block;width:100%;overflow:visible}
.chart-wrap{position:relative;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
/* 桌面端可视化横向滚动条；移动端触屏拖拽 */
.chart-wrap::-webkit-scrollbar{height:6px}
.chart-wrap::-webkit-scrollbar-thumb{background:#c5cad6;border-radius:3px}
.chart-wrap::-webkit-scrollbar-track{background:transparent}
/* 纯 HTML 柱状图（趋势图替代方案） */
.bch-wrap{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding:6px 0 2px}
.bch-wrap::-webkit-scrollbar{height:5px}
.bch-wrap::-webkit-scrollbar-thumb{background:#c5cad6;border-radius:3px}
.bch-row{display:flex;gap:14px;align-items:flex-end;min-height:150px}
.bch-col{display:flex;flex-direction:column;align-items:center;min-width:96px;flex-shrink:0}
.bch-val{font-size:12px;font-weight:700;color:var(--primary-d);margin-bottom:5px}
.bch-bar{width:54px;background:linear-gradient(180deg,#4a7bf7,#3a6df0);border-radius:7px 7px 0 0;min-height:4px}
.bch-lbl{font-size:10.5px;color:var(--muted);margin-top:6px;text-align:center;max-width:96px;white-space:normal;word-break:keep-all;line-height:1.25}
.bch-cap{font-size:10px;color:var(--muted);text-align:right;margin:-2px 2px -2px}
.chart-x{position:relative;height:16px;margin-top:1px}
.chart-xl{position:absolute;top:0;transform:translateX(-50%);font-size:10.5px;color:var(--muted);white-space:nowrap;line-height:16px}
.chart-xl:first-child{transform:none;left:6%!important}
.chart-xl:last-child{transform:translateX(-100%);left:94%!important}
/* 折线图数据点圆点与数值标签：HTML 叠加层，百分比定位，避免被 SVG 不等比拉伸变形 */
.chart-svg{position:relative}
.chart-dots{position:absolute;inset:0;overflow:visible;pointer-events:none}
.chart-dot{position:absolute;width:7px;height:7px;border-radius:50%;background:#fff;border:1.6px solid var(--primary);transform:translate(-50%,-50%)}
.chart-v{position:absolute;transform:translate(-50%,-50%);font-size:11.5px;font-weight:700;color:#2a53c4;background:rgba(255,255,255,.82);border-radius:4px;padding:0 3px;line-height:15px;white-space:nowrap;pointer-events:none}
.chart-v.chart-df{transform:translate(0,-50%);left:6%!important}
.chart-v.chart-dl{transform:translate(-100%,-50%);left:94%!important}
/* ===== 课表 ===== */
.tt-scroll{overflow-x:auto;margin:0 -14px;padding:0 14px}
table.tt{border-collapse:separate;border-spacing:0;width:100%;table-layout:fixed;min-width:340px}
table.tt th,table.tt td{padding:0;text-align:center;vertical-align:middle}
table.tt th{font-size:11.5px;color:var(--text-2);font-weight:700;padding-bottom:6px}
table.tt th.today{color:var(--primary)}
.tt-col-h{width:30px}
.tt-cell{
height:52px;border-radius:9px;border:1px solid var(--line);background:var(--card-2);
margin:2px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
font-size:11.5px;line-height:1.25;overflow:hidden;padding:2px;
}
.tt-cell b{font-size:12.3px;font-weight:700}
.tt-cell i{font-style:normal;font-size:9.5px;opacity:.75}
.tt-cell.mine{background:linear-gradient(150deg,#4a7bf7,#3055cf);border-color:transparent;color:#fff;box-shadow:0 3px 10px rgba(48,85,207,.28)}
.tt-cell.mine i{opacity:.85}
.tt-cell.empty{background:#fafbfe;color:#c8cddb;border-style:dashed}
.tt-cell.conflict{outline:2px solid var(--red);outline-offset:-2px}
/* 非本周课程（开启「显示非本周课程」后置灰标注周次） */
.tt-cell.off{opacity:.42;border-style:dashed;border-color:#cfd6e4;box-shadow:none;cursor:pointer}
.tt-cell.off b{font-weight:600}
.tt-cell.off i{color:var(--muted);opacity:.95}
.tt-rowh{font-size:10.5px;color:var(--muted);font-weight:700;line-height:1.2}
.tt-rowh span{display:block;font-size:8.5px;font-weight:500;opacity:.8}
.tt-noon td{height:14px}
.noon-line{display:flex;align-items:center;gap:6px;color:#c0c6d6;font-size:9.5px;padding:2px 0}
.noon-line::before,.noon-line::after{content:"";flex:1;height:1px;background:var(--line)}
/* ===== 浮层 ===== */
.mask{
position:fixed;inset:0;background:rgba(16,20,32,.42);opacity:0;pointer-events:none;transition:opacity .25s;z-index:90;
backdrop-filter:blur(1.5px);
}
.mask.on{opacity:1;pointer-events:auto}
.sheet{
position:fixed;left:50%;bottom:0;transform:translate(-50%,102%);width:100%;max-width:100%;
background:#fff;border-radius:22px 22px 0 0;z-index:95;transition:transform .3s cubic-bezier(.32,.72,0,1);
max-height:86vh;display:flex;flex-direction:column;box-shadow:0 -8px 40px rgba(16,20,32,.18);
}
.sheet.on{transform:translate(-50%,0)}
.sheet-head{padding:14px 16px 10px;border-bottom:1px solid var(--line-2);position:relative;flex:0 0 auto}
.sheet-head h3{font-size:16.5px;text-align:center}
.sheet-head p{margin:3px 0 0;font-size:12px;color:var(--muted);text-align:center}
.sheet-close{position:absolute;right:12px;top:12px;width:28px;height:28px;border-radius:50%;background:#f1f3f9;display:grid;place-items:center;color:var(--muted)}
.sheet-close svg{width:15px;height:15px}
.sheet-body{padding:14px 16px 20px;overflow-y:auto;flex:1 1 auto}
.sheet-foot{padding:10px 16px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line-2);display:flex;gap:9px;flex:0 0 auto}
.grabber{width:36px;height:4px;border-radius:3px;background:#e2e6ef;margin:8px auto -4px}
.page{
position:fixed;left:50%;top:0;transform:translate(-50%,0);width:100%;max-width:100%;height:100vh;
background:var(--bg);z-index:80;display:none;flex-direction:column;
}
.page.on{display:flex;animation:slideIn .28s cubic-bezier(.32,.72,0,1)}
@keyframes slideIn{from{transform:translate(-50%,0) translateX(28%);opacity:.4}to{transform:translate(-50%,0);opacity:1}}
.page-head{
flex:0 0 auto;height:calc(52px + var(--inset-top,0px));display:flex;align-items:center;gap:8px;padding:var(--inset-top,0px) 12px 0;background:#fff;
border-bottom:1px solid var(--line);position:relative;
}
.page-head h3{font-size:16px;flex:1;text-align:center;padding-right:34px}
.page-back{position:absolute;left:12px;top:calc(9px + var(--inset-top,0px));width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:#f4f6fb}
.page-back svg{width:18px;height:18px}
.page-act{position:absolute;right:12px;top:calc(9px + var(--inset-top,0px));height:34px;padding:0 11px;border-radius:11px;background:var(--primary-s);color:var(--primary-d);font-size:13px;font-weight:600;display:flex;align-items:center;gap:4px}
.page-body{flex:1 1 auto;overflow-y:auto;padding:13px}
.toast{
position:fixed;left:50%;bottom:96px;transform:translate(-50%,14px);z-index:99;
background:rgba(22,26,38,.92);color:#fff;padding:10px 18px;border-radius:12px;font-size:13.5px;
opacity:0;pointer-events:none;transition:.25s;max-width:80%;text-align:center;backdrop-filter:blur(4px);
}
.toast.on{opacity:1;transform:translate(-50%,0)}
/* 选项列表（Sheet 内） */
.opt{display:flex;align-items:center;gap:11px;padding:12px 12px;border-radius:13px;background:var(--card-2);border:1px solid var(--line);margin-bottom:8px}
.opt.on{border-color:var(--primary);background:var(--primary-s)}
.opt-ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto}
.opt-ico svg{width:19px;height:19px}
.opt-main{flex:1;min-width:0}
.opt-main b{font-size:14.5px;display:block}
.opt-main span{font-size:11.5px;color:var(--muted)}
.opt-check{width:20px;height:20px;border-radius:50%;border:1.8px solid #d5daE6;display:grid;place-items:center;flex:0 0 auto}
.opt.on .opt-check{background:var(--primary);border-color:var(--primary)}
.opt-check svg{width:11px;height:11px;color:#fff;opacity:0}
.opt.on .opt-check svg{opacity:1}
.opt-edit{color:var(--muted);padding:5px}
.opt-edit svg{width:16px;height:16px}
/* 标签颜色色板 */
.tg-palette{display:flex;flex-wrap:wrap;gap:7px}
.tg-swatch{width:22px;height:22px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0;flex:0 0 auto;transition:transform .1s}
.tg-swatch:active{transform:scale(.88)}
.tg-swatch.on{box-shadow:0 0 0 2px #fff,0 0 0 3px var(--primary)}
/* 座位表 */
.seat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}
.seat{
aspect-ratio:1/.82;border-radius:9px;background:var(--card-2);border:1px solid var(--line);
display:grid;place-items:center;font-size:11px;font-weight:600;color:var(--text-2);text-align:center;padding:2px;line-height:1.15;
}
.seat.sel{background:var(--primary);color:#fff;border-color:var(--primary)}
.seat.girl{background:#fef0f5;border-color:#fbdce8}
.seat.girl.sel{background:var(--primary);color:#fff}
.podium{margin-top:9px;height:26px;border-radius:9px;background:#eef1f7;display:grid;place-items:center;font-size:11.5px;color:var(--muted);letter-spacing:3px}
/* 聊天 */
.msg{display:flex;gap:8px;margin-bottom:14px;align-items:flex-start}
.msg.me{flex-direction:row-reverse}
.bubble{max-width:74%;padding:9px 12px;border-radius:14px;font-size:14px;line-height:1.5;background:#fff;box-shadow:var(--sh-1)}
.msg.me .bubble{background:var(--primary);color:#fff}
.msg-time{text-align:center;font-size:11px;color:var(--muted);margin:8px 0 14px}
.chat-input{display:flex;gap:8px;padding:10px 12px calc(12px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line)}
/* 成绩表 */
.gr-row{display:flex;align-items:center;gap:9px;padding:8px 0;border-bottom:1px solid var(--line-2)}
.gr-row:last-child{border-bottom:0}
.gr-rank{flex:0 0 24px;height:24px;border-radius:8px;background:#f0f2f7;display:grid;place-items:center;font-size:11.5px;font-weight:700;color:var(--ink)}
.gr-rank.t1{background:#fff3d6;color:#b8860b}
.gr-rank.t2{background:#eef1f7;color:#6b7385}
.gr-rank.t3{background:#fbeade;color:#b06a2c}
.gr-score{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;flex:0 0 auto}
.gtool{display:flex;align-items:center;gap:8px;margin:2px 0 10px}
.gtool-sel{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.gtool-sel label{font-size:12px;color:var(--text-2);font-weight:600;flex:0 0 auto}
.select.sm{height:32px;font-size:13px;padding:0 8px;flex:1;min-width:0}
/* 原生