/* ===== 班主任智慧工作台 · 全局样式 ===== */
:root{
  --navy:#16233f;          /* 深空藏蓝 侧边栏 */
  --navy-2:#1e3056;
  --navy-hover:#253a66;
  --bg:#f3f5f9;            /* 浅灰白 页面基底 */
  --card:#ffffff;
  --ink:#1f2a3d;
  --ink-2:#5b6b83;
  --ink-3:#8a97ab;
  --line:#e6eaf1;
  --primary:#1b9cd8;       /* 湖蓝 主按钮 */
  --primary-d:#1585ba;
  --c-blue:#2f6fed;        /* 学情成绩 */
  --c-teal:#14a08e;        /* 考勤纪律 */
  --c-purple:#8a5cf6;      /* 待办家校 */
  --c-amber:#f09a16;       /* 家访家长会 */
  --c-red:#e0483e;         /* 作业临界 */
  --warn:#f5b70a;          /* 预警明黄 */
  --ok:#22b07d;
  --radius:10px;
  --shadow:0 1px 3px rgba(22,35,63,.06),0 4px 14px rgba(22,35,63,.05);
  --sidebar-w:208px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.55;
}
#app{display:flex;min-height:100dvh}

/* ===== 侧边栏 ===== */
.sidebar{
  width:var(--sidebar-w);background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);
  color:#c7d2e6;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:60;
  transition:transform .25s cubic-bezier(.16,1,.3,1);
}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-badge{width:38px;height:38px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex-shrink:0}
.brand-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.5px}
.brand-sub{font-size:10px;color:#7f92b3;margin-top:2px}
.side-nav{flex:1;overflow-y:auto;padding:8px 0;scrollbar-width:thin;scrollbar-color:#33477a transparent}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:#33477a;border-radius:2px}
.nav-group{font-size:10px;color:#67779a;padding:12px 16px 4px;letter-spacing:1px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 16px;cursor:pointer;
  color:#aebdd6;font-size:13px;border-left:3px solid transparent;transition:all .15s;
  user-select:none;
}
.nav-item:hover{background:var(--navy-hover);color:#fff}
.nav-item.active{background:rgba(27,156,216,.16);color:#fff;border-left-color:var(--primary)}
.nav-item .ni{width:18px;height:18px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.sidebar-foot{padding:12px 16px;font-size:10px;color:#5b6c8f;border-top:1px solid rgba(255,255,255,.07)}

/* ===== 主区域 ===== */
.main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}
.topbar{
  height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:12px;padding:0 16px;position:sticky;top:0;z-index:50;
}
.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{width:20px;height:2px;background:var(--ink);border-radius:1px}
.class-picker select{
  border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:13px;color:var(--ink);
  background:#f8fafc;max-width:280px;outline:none;cursor:pointer;font-family:inherit;
}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.status-clock{display:flex;align-items:baseline;gap:8px;color:var(--ink-2);font-size:12px;white-space:nowrap}
.clock-time{font-size:16px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.top-actions{display:flex;gap:8px}
/* 云端同步状态指示 */
.sync-status{display:inline-flex;align-items:center;gap:5px;font-size:11px;padding:3px 9px;border-radius:20px;white-space:nowrap;
  border:1px solid var(--line);color:var(--ink-3);background:#fff}
.sync-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ink-3)}
.sync-status.on{color:var(--ok);border-color:rgba(20,160,110,.35);background:rgba(20,160,110,.08)}
.sync-status.on::before{background:var(--ok)}
.sync-status.off{color:var(--c-red);border-color:rgba(224,72,62,.35);background:rgba(224,72,62,.08)}
.sync-status.off::before{background:var(--c-red)}
@media(max-width:640px){.sync-status{display:none}}

/* ===== 按钮 ===== */
.btn{border:none;border-radius:8px;cursor:pointer;font-family:inherit;font-size:13px;
  padding:8px 16px;transition:all .15s;display:inline-flex;align-items:center;gap:5px;justify-content:center}
.btn:active{transform:scale(.97)}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-outline{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-teal{background:var(--c-teal);color:#fff}
.btn-red{background:#fff;color:var(--c-red);border:1px solid #f3c2c0}
.btn-red:hover{background:#fdf0ef}
.btn-ghost{background:#eef4fb;color:var(--c-blue)}
.btn-block{width:100%}

/* ===== 页面 ===== */
.page{padding:16px;max-width:1200px;width:100%;margin:0 auto}
.page-title{font-size:18px;font-weight:700;margin-bottom:2px}
.page-desc{font-size:12px;color:var(--ink-3);margin-bottom:14px}

/* ===== 卡片 ===== */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.card-title{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.card-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--primary)}
.card-title.ct-blue::before{background:var(--c-blue)}
.card-title.ct-teal::before{background:var(--c-teal)}
.card-title.ct-purple::before{background:var(--c-purple)}
.card-title.ct-amber::before{background:var(--c-amber)}
.card-title.ct-red::before{background:var(--c-red)}

/* 统计宫格 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.stat-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;cursor:pointer;
  transition:transform .15s,box-shadow .15s;border-top:3px solid var(--primary)}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 18px rgba(22,35,63,.1)}
.stat-card.sc-blue{border-top-color:var(--c-blue)}
.stat-card.sc-teal{border-top-color:var(--c-teal)}
.stat-card.sc-purple{border-top-color:var(--c-purple)}
.stat-card.sc-amber{border-top-color:var(--c-amber)}
.stat-card.sc-red{border-top-color:var(--c-red)}
.stat-label{font-size:12px;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.stat-value{font-size:24px;font-weight:700;margin:4px 0 2px;font-variant-numeric:tabular-nums}
.stat-sub{font-size:11px;color:var(--ink-3)}
.stat-sub .up{color:var(--c-red)}.stat-sub .down{color:var(--ok)}
.warn-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--warn)}

/* 快捷操作九宫格 */
.quick-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.quick-item{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:14px 6px;text-align:center;
  cursor:pointer;transition:all .15s;font-size:12px;color:var(--ink-2)}
.quick-item:hover{border-color:var(--primary);color:var(--primary);background:#f0f8fd;transform:translateY(-2px)}
.quick-item .qi{width:22px;height:22px;margin:0 auto 6px;stroke:currentColor;fill:none;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;display:block}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
table.tbl{width:100%;border-collapse:collapse;font-size:13px;background:#fff;min-width:640px}
.tbl th{background:#f6f8fb;color:var(--ink-2);font-weight:600;padding:9px 10px;text-align:left;
  border-bottom:1px solid var(--line);white-space:nowrap;font-size:12px}
.tbl td{padding:9px 10px;border-bottom:1px solid #f0f3f8;white-space:nowrap}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:#f8fafc}
.tbl td[contenteditable="true"]{outline:1px dashed var(--primary);background:#f0f8fd;border-radius:4px}
.row-ops{display:flex;gap:6px}
.op-link{color:var(--c-blue);cursor:pointer;font-size:12px;background:none;border:none;font-family:inherit;padding:2px 4px}
.op-link.red{color:var(--c-red)}
.op-link:hover{text-decoration:underline}

/* 标签 */
.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:11px;margin:1px 2px;white-space:nowrap}
.tag-blue{background:#e8effe;color:var(--c-blue)}
.tag-teal{background:#e2f5f2;color:var(--c-teal)}
.tag-purple{background:#f0eafe;color:var(--c-purple)}
.tag-amber{background:#fdf1dd;color:#c67c0a}
.tag-red{background:#fde9e8;color:var(--c-red)}
.tag-gray{background:#eef1f5;color:var(--ink-2)}
.tag-green{background:#e3f6ee;color:var(--ok)}

/* 进度条 */
.pbar{height:8px;background:#eef1f5;border-radius:4px;overflow:hidden;min-width:90px}
.pbar>i{display:block;height:100%;border-radius:4px;background:var(--c-red);transition:width .3s}
.pbar>i.pb-blue{background:var(--c-blue)}.pbar>i.pb-teal{background:var(--c-teal)}.pbar>i.pb-amber{background:var(--c-amber)}

/* 筛选条 */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.chip{border:1px solid var(--line);background:#fff;border-radius:16px;padding:5px 14px;font-size:12px;
  color:var(--ink-2);cursor:pointer;transition:all .15s;font-family:inherit}
.chip.on{background:var(--c-blue);border-color:var(--c-blue);color:#fff}
.chip.on.chip-teal{background:var(--c-teal);border-color:var(--c-teal)}
.chip.on.chip-purple{background:var(--c-purple);border-color:var(--c-purple)}
.chip.on.chip-amber{background:var(--c-amber);border-color:var(--c-amber)}
.chip.on.chip-red{background:var(--c-red);border-color:var(--c-red)}
.search-input{border:1px solid var(--line);border-radius:8px;padding:7px 12px;font-size:13px;outline:none;
  font-family:inherit;min-width:160px}
.search-input:focus{border-color:var(--primary)}

/* 时间轴 */
.timeline{position:relative;padding-left:20px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 16px 14px}
.tl-item::before{content:"";position:absolute;left:-19px;top:5px;width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--primary)}
.tl-item.done::before{border-color:var(--ok);background:var(--ok)}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;
  align-items:center;gap:12px;flex-wrap:wrap}
.tl-card.done{opacity:.62}
.tl-main{flex:1;min-width:180px}
.tl-name{font-weight:600;font-size:13px}
.tl-name.done{text-decoration:line-through}
.tl-meta{font-size:11px;color:var(--ink-3);margin-top:3px}
.tl-check{width:30px;height:30px;border-radius:50%;border:2px solid var(--line);background:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;color:transparent;transition:all .15s;flex-shrink:0}
.tl-check.on{border-color:var(--ok);background:var(--ok);color:#fff}

/* 课表 */
.sched-grid{overflow-x:auto}
.sched-table{border-collapse:collapse;width:100%;min-width:640px;font-size:12px}
.sched-table th,.sched-table td{border:1px solid var(--line);padding:7px 6px;text-align:center}
.sched-table th{background:#f6f8fb;color:var(--ink-2);font-weight:600}
.sched-table .slot-head{background:#f6f8fb;color:var(--ink-2);font-weight:600;white-space:nowrap}
.sched-cell{cursor:pointer;min-width:88px;height:34px;transition:background .15s}
.sched-cell:hover{background:#f0f8fd}
.sched-cell.eng{background:var(--c-blue);color:#fff;font-weight:600}
.sched-cell.evening{background:#fbfcfe}
.sched-cell .sub{font-size:10px;opacity:.75;display:block}

/* 条形图 */
.bars{display:flex;align-items:flex-end;gap:10px;height:140px;padding:10px 4px 0}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:34px}
.bar{width:70%;max-width:38px;border-radius:4px 4px 0 0;background:var(--c-blue);transition:height .3s;position:relative}
.bar .bv{position:absolute;top:-18px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--ink-2);white-space:nowrap}
.bar-lbl{font-size:11px;color:var(--ink-3);white-space:nowrap}

/* 环形图 */
.donut-flex{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.donut-legend{flex:1;min-width:180px}
.dl-item{display:flex;align-items:center;gap:8px;font-size:12px;padding:4px 0;color:var(--ink-2)}
.dl-dot{width:10px;height:10px;border-radius:3px;flex-shrink:0}
.dl-val{margin-left:auto;font-weight:600;color:var(--ink)}

/* 排座位 */
.seat-room{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:16px;overflow-x:auto}
.seat-podium{width:180px;margin:0 auto 18px;background:var(--navy);color:#fff;text-align:center;
  padding:8px;border-radius:8px;font-size:13px;letter-spacing:4px}
.seat-grid{display:grid;gap:8px;justify-content:center}
.seat-cell{background:#fff;border:1.5px solid var(--line);border-radius:8px;min-width:86px;height:52px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;cursor:grab;
  transition:all .15s;position:relative}
.seat-cell .sid{font-size:10px;color:var(--ink-3)}
.seat-cell.empty{color:var(--ink-3);font-size:11px;background:#fbfcfe}
.seat-cell.dragover{border-color:var(--primary);background:#f0f8fd;transform:scale(1.04)}
.seat-cell .stag{position:absolute;top:-6px;right:-4px;font-size:9px;padding:0 4px;border-radius:6px}
.seat-aisle{width:26px}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-item{display:flex;flex-direction:column;gap:4px}
.form-item.full{grid-column:1/-1}
.form-item label{font-size:12px;color:var(--ink-2);font-weight:500}
.form-item input,.form-item select,.form-item textarea{
  border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px;font-family:inherit;outline:none;width:100%}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{border-color:var(--primary)}
.form-item textarea{resize:vertical;min-height:64px}

/* 全局搜索 */
.gs-wrap{position:relative}
.gs-wrap .search-input{min-width:150px;width:180px}
.gs-drop{position:absolute;top:40px;left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:0 8px 24px rgba(22,35,63,.13);display:none;z-index:90;max-height:320px;overflow-y:auto}
.gs-drop.show{display:block}
.gs-item{padding:9px 12px;font-size:13px;cursor:pointer;display:flex;gap:8px;align-items:center}
.gs-item:hover{background:#f0f8fd}
.gs-item .sid{color:var(--ink-3);font-size:11px;margin-left:auto}

/* 今日一览 */
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.today-h{font-size:12px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.today-row{font-size:12px;padding:5px 0;border-bottom:1px dashed #f0f3f8}
.today-row:last-child{border-bottom:none}
.today-empty{font-size:12px;color:var(--ink-3);padding:8px 0}

/* 批量操作条 */
.batch-bar{display:none;align-items:center;gap:10px;background:#fdf6ec;border:1px solid #f3e0bb;
  border-radius:8px;padding:8px 14px;margin-bottom:10px;font-size:12px;color:var(--ink-2)}
.batch-bar b{color:var(--c-amber);font-size:14px}
.tbl input[type="checkbox"],.row-check{width:15px;height:15px;accent-color:var(--primary);cursor:pointer;vertical-align:middle}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(15,25,45,.45);z-index:100;display:none;
  align-items:center;justify-content:center;padding:16px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-width:560px;max-height:88dvh;display:flex;
  flex-direction:column;animation:pop .2s cubic-bezier(.16,1,.3,1)}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);
  font-weight:600;font-size:15px}
.modal-close{background:none;border:none;font-size:22px;color:var(--ink-3);cursor:pointer;line-height:1}
.modal-body{padding:18px;overflow-y:auto}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* Toast */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--navy);
  color:#fff;padding:10px 22px;border-radius:24px;font-size:13px;z-index:200;opacity:0;transition:all .3s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 预警三角 */
.warn-tri{color:var(--warn);font-size:13px}

/* 两栏 */
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cols-2 .card{margin-bottom:0}

/* 列表条目 */
.list-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:10px;
  margin-bottom:10px;background:#fff;flex-wrap:wrap}
.list-item .li-main{flex:1;min-width:200px}
.list-item .li-title{font-weight:600;font-size:13px}
.list-item .li-sub{font-size:11px;color:var(--ink-3);margin-top:3px}

/* 空状态 */
.empty{padding:36px;text-align:center;color:var(--ink-3);font-size:13px}

/* 抽屉遮罩 */
.drawer-mask{position:fixed;inset:0;background:rgba(15,25,45,.45);z-index:55;display:none}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .stat-grid{grid-template-columns:repeat(3,1fr)}
  .quick-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0);box-shadow:4px 0 24px rgba(0,0,0,.25)}
  .drawer-mask.show{display:block}
  .main{margin-left:0}
  .hamburger{display:flex}
  .status-clock #clockDate{display:none}
  .top-actions .btn{padding:6px 9px;font-size:11px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .cols-2{grid-template-columns:1fr}
  .cols-3{grid-template-columns:1fr}
  .gs-wrap .search-input{min-width:0;width:110px}
  .form-grid{grid-template-columns:1fr}
  .page{padding:12px}
  .class-picker select{max-width:170px}
}