/* ============ 班主任工作台 · 全局样式 ============ */
:root{
  --ink:#1b2b26;
  --ink-2:#3c4d46;
  --muted:#7d8a84;
  --rail:#16332c;
  --rail-2:#1d4038;
  --paper:#f6f3ea;
  --card:#ffffff;
  --line:#e7e0d1;
  --line-2:#f0ead9;
  --accent:#c2603a;
  --accent-soft:#f8ece5;
  --green:#4f8a6d;
  --green-soft:#eaf3ee;
  --amber:#c8912f;
  --amber-soft:#fbf2df;
  --blue:#4a7fa5;
  --blue-soft:#eaf1f6;
  --red:#b8493a;
  --red-soft:#fbece9;
  --r:12px;
  --shadow:0 2px 4px rgba(30,45,40,.04), 0 10px 30px rgba(30,45,40,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600}
p{margin:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.ic{flex:none;display:inline-block;vertical-align:-3px}

/* ============ 左侧导航 ============ */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:224px;background:var(--rail);color:#e9e4d5;
  display:flex;flex-direction:column;z-index:40;
}
.rail-brand{display:flex;align-items:center;gap:11px;padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.rail-logo{
  width:38px;height:38px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center;
  background:#efe8d3;color:#1b342d;font:600 19px/1 Georgia,"Songti SC",serif;
}
.rail-brand-txt{display:flex;flex-direction:column;min-width:0}
.rail-brand-txt strong{font-size:14px;letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-brand-txt span{font-size:11px;color:#8fa79d;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-nav{flex:1;overflow-y:auto;padding:10px 10px 20px}
.rail-nav::-webkit-scrollbar{width:4px}
.rail-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}
.rail-group{margin-top:10px}
.rail-group-name{font-size:10.5px;letter-spacing:2px;color:#7d9990;padding:8px 10px 6px}
.rail-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:#cfdad3;
  font-size:13.5px;transition:.16s;margin-bottom:1px;
}
.rail-item .ic{color:#8ea79c}
.rail-item:hover{background:rgba(255,255,255,.06);color:#fff}
.rail-item.on{background:#efe8d3;color:#1b342d;font-weight:600}
.rail-item.on .ic{color:var(--accent)}
.rail-foot{padding:14px 18px 18px;border-top:1px solid rgba(255,255,255,.07)}
.rail-count{font-size:11.5px;color:#c9d6cf;letter-spacing:.5px}
.rail-small{font-size:10.5px;color:#7d9990;line-height:1.7;margin-top:4px}
.rail-mask{display:none;position:fixed;inset:0;background:rgba(18,30,26,.45);z-index:39}

/* ============ 主区域 ============ */
.shell{margin-left:224px;min-height:100vh;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;gap:14px;padding:16px 28px 14px;background:var(--paper);
  position:sticky;top:0;z-index:20;border-bottom:1px solid transparent;
}
.topbar.solid{background:rgba(246,243,234,.94);backdrop-filter:blur(8px);border-bottom-color:var(--line)}
.top-title h1{font:600 21px/1.3 Georgia,"Songti SC","STSong",serif;letter-spacing:.5px}
.top-title p{font-size:12px;color:var(--muted);margin-top:2px}
.top-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.date-chip{text-align:right;line-height:1.25}
.date-chip b{display:block;font-size:15px;letter-spacing:.5px}
.date-chip span{font-size:11px;color:var(--muted)}
.menu-btn{display:none}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-2);
}
.icon-btn:hover{border-color:#cfc6b2}
.main{flex:1;padding:6px 28px 26px;max-width:1400px;width:100%}
.page-foot{
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:14px 28px 22px;font-size:11px;color:#a8b0aa;border-top:1px solid var(--line-2);
}
.flash{
  background:var(--green-soft);border:1px solid #cddfd4;color:#2f6b50;
  padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:13px;
  animation:fadeIn .25s ease;
}
.flash-err{background:var(--red-soft);border-color:#efd2cb;color:#93362a}

/* ============ 通用组件 ============ */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-pad{padding:18px 20px}
.card-hd{display:flex;align-items:center;gap:10px;padding:15px 18px 0}
.card-hd h2{font:600 15px/1.4 Georgia,"Songti SC",serif;letter-spacing:.4px}
.card-hd .sub{font-size:11.5px;color:var(--muted)}
.card-hd .right{margin-left:auto;display:flex;gap:8px;align-items:center}
.section{margin-bottom:18px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 15px;border-radius:9px;border:1px solid var(--line);background:var(--card);
  color:var(--ink-2);font-size:13px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:#cfc6b2;background:#fdfbf6}
.btn-dark{background:var(--rail);border-color:var(--rail);color:#f2eddc;font-weight:500}
.btn-dark:hover{background:#20463c;border-color:#20463c}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:#ab5230}
.btn-soft{background:var(--accent-soft);border-color:#eed9cc;color:#a4522f}
.btn-soft:hover{background:#f5e0d5}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-ghost:hover{background:#efeadb;color:var(--ink)}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:8px}
.btn-lg{padding:12px 22px;font-size:14px;border-radius:11px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.field{margin-bottom:13px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.inp,select.inp,textarea.inp{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fdfcf8;
  outline:none;transition:.15s;
}
.inp:focus{border-color:#9dbfae;background:#fff;box-shadow:0 0 0 3px rgba(79,138,109,.1)}
textarea.inp{resize:vertical;line-height:1.7}
.inp-sm{padding:6px 9px;font-size:12.5px;border-radius:8px}
.chip{
  display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;
  font-size:11.5px;background:#f1ecdf;color:var(--ink-2);border:1px solid #e6ddc9;
}
.chip-green{background:var(--green-soft);color:#37705a;border-color:#d3e5db}
.chip-red{background:var(--red-soft);color:#95392b;border-color:#eed4cd}
.chip-amber{background:var(--amber-soft);color:#8c6418;border-color:#f0e0bd}
.chip-blue{background:var(--blue-soft);color:#38678a;border-color:#d6e3ec}
.chip-ghost{background:transparent;border-color:var(--line);color:var(--muted)}
.divider{height:1px;background:var(--line-2);margin:14px 0}
.search-wrap{position:relative;flex:1;max-width:280px}
.search-wrap .inp{padding-left:33px}
.search-wrap svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:12px}
.tiny{font-size:11px;color:var(--muted)}
.strong{font-weight:600}
.flex{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mt8{margin-top:8px}.mt14{margin-top:14px}.mt20{margin-top:20px}
.empty{padding:36px 20px;text-align:center;color:var(--muted);font-size:13px}
.empty b{display:block;font-size:14px;color:var(--ink-2);margin-bottom:4px}

/* 表格 */
.tbl-wrap{overflow-x:auto;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{
  text-align:left;font-weight:500;color:var(--muted);font-size:11.5px;letter-spacing:.5px;
  padding:10px 12px;background:#faf7ef;border-bottom:1px solid var(--line);white-space:nowrap;
}
.tbl td{padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:#fdfbf4}
.tbl .num{font-variant-numeric:tabular-nums;text-align:right}
.tbl .center{text-align:center}
.tbl .name{font-weight:500}
.scroll-y{overflow-y:auto}

/* 统计卡 */
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;
  display:flex;flex-direction:column;gap:2px;
}
.stat .k{font-size:11.5px;color:var(--muted)}
.stat .v{font:600 24px/1.25 Georgia,"Songti SC",serif;font-variant-numeric:tabular-nums}
.stat .v small{font-size:12px;color:var(--muted);font-weight:400;margin-left:3px}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}

/* 标签页 */
.tabs{display:flex;gap:4px;background:#efeade;padding:4px;border-radius:10px;flex-wrap:wrap}
.tab{
  padding:7px 14px;border-radius:8px;font-size:12.5px;color:var(--ink-2);cursor:pointer;
  border:0;background:transparent;white-space:nowrap;
}
.tab.on{background:var(--card);box-shadow:0 1px 3px rgba(0,0,0,.06);font-weight:600;color:var(--ink)}
.tab:hover:not(.on){background:rgba(255,255,255,.5)}

/* ============ 教室视图 ============ */
.classroom{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px 24px;box-shadow:var(--shadow)}
.stage{
  margin:0 auto 20px;max-width:520px;text-align:center;padding:9px 18px;border-radius:9px;
  background:linear-gradient(180deg,#2c4f45,#224239);color:#e8e2cf;letter-spacing:6px;font-size:12.5px;
  box-shadow:0 6px 14px rgba(24,50,44,.18);
}
.stage span{font-size:10px;letter-spacing:2px;color:#a9c3b6;display:block;letter-spacing:3px;margin-top:1px}
.seat-grid{display:grid;gap:9px;grid-auto-rows:1fr}
.seat-grp-gap{margin-right:24px}
.seat{
  position:relative;min-height:66px;border-radius:11px;border:1px solid #dfd6c3;
  background:linear-gradient(180deg,#fffdf6,#f5efe1);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  cursor:pointer;transition:transform .14s, box-shadow .14s, border-color .14s;
  padding:8px 4px 11px;overflow:hidden;user-select:none;
}
.seat:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(35,55,48,.12);border-color:#c9bda3}
.seat:active{transform:translateY(0)}
.seat .nm{font-size:13px;font-weight:600;letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.seat .no{font-size:10px;color:#9aa39d;font-variant-numeric:tabular-nums}
.seat .stt{font-size:10.5px;font-weight:600;color:var(--st,#4f8a6d)}
.seat::after{
  content:"";position:absolute;left:7px;right:7px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:var(--st,#4f8a6d);opacity:.9;
}
.seat.st-present{--st:#4f8a6d;background:linear-gradient(180deg,#fffdf6,#eff5f0)}
.seat.st-leave{--st:#4a7fa5;background:linear-gradient(180deg,#fffdf6,#eef3f7)}
.seat.st-late{--st:#c8912f;background:linear-gradient(180deg,#fffdf6,#faf2e0)}
.seat.st-absent{--st:#b8493a;background:linear-gradient(180deg,#fff9f7,#f8ecea)}
.seat.st-absent .nm{color:#8f4b40}
.seat.empty-seat{background:repeating-linear-gradient(45deg,#faf8f1,#faf8f1 6px,#f2eee2 6px,#f2eee2 12px);border-style:dashed;cursor:default}
.seat.empty-seat::after{display:none}
.seat.empty-seat .nm{color:#b9bdaf;font-weight:400;font-size:12px}
.seat.flash{animation:seatFlash .35s ease}
@keyframes seatFlash{0%{transform:scale(.96)}60%{transform:scale(1.03)}100%{transform:scale(1)}}
.legend{display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:11.5px;color:var(--muted)}
.legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.cls-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.seg{display:flex;background:#efeade;border-radius:9px;padding:3px;gap:2px}
.seg .seg-item{padding:6px 12px;border-radius:7px;font-size:12px;border:0;background:transparent;cursor:pointer;color:var(--ink-2)}
.seg .seg-item.on{background:#fff;font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.hint-line{font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:6px}

/* ============ 黑板 ============ */
.board{
  position:relative;border-radius:14px;padding:26px 28px;color:#eef2e6;
  background:
    radial-gradient(circle at 20% 20%,rgba(255,255,255,.05),transparent 40%),
    radial-gradient(circle at 80% 70%,rgba(255,255,255,.04),transparent 45%),
    linear-gradient(160deg,#2a4f44,#1e3b33 60%,#1b352e);
  box-shadow:inset 0 0 60px rgba(0,0,0,.25), 0 12px 30px rgba(20,40,34,.2);
  border:9px solid #6b4b32;border-color:#6b4b32;
}
.board::before{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 3px);
}
.board-title{font:600 15px/1 "Songti SC",Georgia,serif;letter-spacing:3px;color:#f4f1e2;text-align:center;
  border-bottom:1px dashed rgba(255,255,255,.22);padding-bottom:12px;margin-bottom:16px}
.board-body{font-family:"Kaiti SC","KaiTi",Georgia,serif;font-size:15px;line-height:2;color:#e9f0e0;white-space:pre-wrap}
.board-body .bl{color:#f0dfae}
.board-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
.board-col h4{font:500 12px/1 "Songti SC",serif;letter-spacing:2px;color:#a9c4b5;margin-bottom:8px}
.board-edit{background:#faf8f1}

/* ============ 学生抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(18,30,26,.4);z-index:50;opacity:0;pointer-events:none;transition:.25s}
.drawer-mask.on{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(620px,100%);background:#fbf9f3;z-index:51;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;box-shadow:-14px 0 40px rgba(20,35,30,.18);
}
.drawer.on{transform:translateX(0)}
.drawer-hd{display:flex;align-items:center;gap:12px;padding:18px 20px 14px;border-bottom:1px solid var(--line);background:#fff}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  font:600 16px/1 Georgia,"Songti SC",serif;background:#e9efe4;color:#2d5a49;
}
.avatar.f{background:#f7eae6;color:#9c5a45}
.drawer-hd .who strong{display:block;font-size:16px}
.drawer-hd .who span{font-size:11.5px;color:var(--muted)}
.drawer-tabs{padding:10px 16px;background:#fff;border-bottom:1px solid var(--line-2)}
.drawer-body{flex:1;overflow-y:auto;padding:16px 20px 30px}
.dpane{display:none}
.dpane.on{display:block;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.kv{display:grid;grid-template-columns:86px 1fr;gap:8px 10px;font-size:13px}
.kv .k{color:var(--muted);font-size:12px}
.mini-list{display:flex;flex-direction:column;gap:8px}
.mini-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:12.5px}
.mini-item .tm{font-size:11px;color:var(--muted);margin-bottom:2px}
.timeline{position:relative;padding-left:18px}
.timeline::before{content:"";position:absolute;left:4px;top:4px;bottom:4px;width:1px;background:#e3dccb}
.tl-item{position:relative;padding:0 0 14px 6px}
.tl-item::before{content:"";position:absolute;left:-14px;left:-18px;top:5px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.tl-item .tm{font-size:11px;color:var(--muted)}
.tl-item .tt{font-weight:600;font-size:13px}
.tl-item .ct{font-size:12.5px;color:var(--ink-2);white-space:pre-wrap}

/* 评语编辑 */
.comment-box{width:100%;min-height:280px;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff;line-height:1.9;font-size:13.5px;outline:none;resize:vertical}
.tpl-pick{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.tpl-chip{padding:5px 10px;border-radius:20px;border:1px solid var(--line);background:#fff;font-size:11.5px;cursor:pointer}
.tpl-chip:hover{border-color:var(--accent);color:var(--accent)}

/* 积分 */
.pt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
.pt-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px 12px;display:flex;align-items:center;gap:9px}
.pt-card .nm{font-size:13px;font-weight:600;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pt-card .sc{font:600 16px/1 Georgia,serif;color:var(--accent);min-width:34px;text-align:right}
.qbtn{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:#faf8f1;cursor:pointer;font-size:14px;line-height:1;color:var(--ink-2);flex:none}
.qbtn:hover{background:#f2eddf}
.qbtn.minus:hover{color:var(--red);border-color:#e6c7c0}
.qbtn.plus:hover{color:var(--green);border-color:#c8ded2}
.rank-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line-2);font-size:13px}
.rank-no{width:22px;height:22px;border-radius:50%;background:#f0ebdc;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:600;flex:none}
.rank-no.top{background:#1d3b33;color:#f0e6cd}

/* 提示词 */
.prompt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}
.prompt-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 15px;cursor:pointer;
  transition:.16s;display:flex;flex-direction:column;gap:6px;min-height:112px;
}
.prompt-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(35,55,48,.09);border-color:#cfc4ac}
.prompt-card .t{font-size:13.5px;font-weight:600;line-height:1.5}
.prompt-card .b{font-size:12px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.prompt-card .f{margin-top:auto;font-size:11px;color:#b3bcb6;display:flex;gap:4px;flex-wrap:wrap}
.ph{color:#a8905f;background:#fbf5e3;border-radius:3px;padding:0 2px}

/* 表单弹层 */
.modal-mask{position:fixed;inset:0;background:rgba(18,30,26,.45);z-index:60;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.on{display:flex}
.modal{background:#fff;border-radius:14px;width:min(680px,100%);max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.25);animation:pop .22s ease}
@keyframes pop{from{opacity:0;transform:scale(.97) translateY(6px)}to{opacity:1;transform:none}}
.modal-hd{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line-2)}
.modal-hd h3{font-size:15px}
.modal-hd .icon-btn{margin-left:auto;width:32px;height:32px;border:0;background:#f5f2e8}
.modal-bd{padding:16px 20px;overflow-y:auto}
.modal-ft{padding:12px 20px 16px;border-top:1px solid var(--line-2);display:flex;gap:8px;justify-content:flex-end}

/* 座位表打印 */
.paper{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 28px}
.paper-title{text-align:center;font:600 20px/1.5 Georgia,"Songti SC",serif;letter-spacing:2px}
.paper-sub{text-align:center;font-size:11.5px;color:var(--muted);margin-bottom:20px}
.print-seat{border:1px solid #cfc6b2;border-radius:8px;padding:10px 4px;text-align:center;font-size:13px;line-height:1.3}
.print-seat small{display:block;font-size:10px;color:#999;margin-top:2px}
.print-stage{margin:0 auto 22px;max-width:420px;text-align:center;border:1px dashed #bbb;padding:6px;font-size:11px;letter-spacing:4px}

/* toast */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:#1d3b33;color:#f4f1e4;
  padding:10px 18px;border-radius:24px;font-size:12.5px;opacity:0;pointer-events:none;transition:.28s;z-index:80;
  box-shadow:0 10px 30px rgba(0,0,0,.2);
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* 上传/粘贴区 */
.paste{
  width:100%;min-height:150px;padding:13px;border:1px dashed #cdbfa2;border-radius:10px;background:#fdfbf5;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.8;outline:none;resize:vertical;
}
.paste:focus{border-color:var(--green);background:#fff}
.tip-box{background:#faf7ee;border:1px solid #eee4cf;border-radius:10px;padding:11px 13px;font-size:12px;color:#7d7259;line-height:1.8}

/* 成绩 */
.score-cell{font-variant-numeric:tabular-nums;text-align:right}
.absent{color:var(--red);font-weight:600;background:var(--red-soft);border-radius:4px;padding:1px 4px;font-size:11px}
.up{color:var(--green);font-weight:600}
.down{color:var(--red);font-weight:600}
.flag-down{background:#fff6f4}
.mini-bar{height:3px;background:#eee7d6;border-radius:3px;overflow:hidden;margin-top:4px}
.mini-bar i{display:block;height:100%;background:var(--green)}

/* 空座/待排 */
.pool{display:flex;flex-wrap:wrap;gap:7px}
.pool-item{padding:5px 11px;border-radius:20px;background:#fff;border:1px solid var(--line);font-size:12px;cursor:pointer}
.pool-item:hover{border-color:var(--accent);color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .board-grid{grid-template-columns:1fr;gap:18px}
}
@media (max-width:860px){
  .rail{transform:translateX(-100%);transition:transform .28s;width:250px}
  .rail.on{transform:none}
  .rail-mask.on{display:block}
  .shell{margin-left:0}
  .menu-btn{display:inline-flex}
  .topbar{padding:12px 16px 10px}
  .top-title h1{font-size:18px}
  .top-title p{display:none}
  .main{padding:4px 14px 20px}
  .page-foot{padding:12px 16px 18px}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .stat .v{font-size:21px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .classroom{padding:14px 12px 18px}
  .seat{min-height:58px;border-radius:9px;padding:5px 2px 9px}
  .seat .nm{font-size:12px}
  .seat .no{display:none}
  .seat .stt{font-size:9.5px}
  .seat-grid{gap:6px}
  .seat-grp-gap{margin-right:8px}
  .stage{letter-spacing:4px;font-size:11px;padding:7px 12px;margin-bottom:14px}
  .drawer{width:100%}
  .cls-bar{gap:7px}
  .board{padding:18px 16px;border-width:6px}
  .board-body{font-size:14px}
  .pt-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  .prompt-grid{grid-template-columns:1fr}
  .date-chip b{font-size:13px}
  .top-right .btn span{display:none}
  .modal{max-height:94vh}
}
@media (max-width:420px){
  .seat .stt{display:none}
  .seat{min-height:50px}
}

/* ============ 打印 ============ */
@media print{
  @page{size:A4 portrait;margin:8mm}
  html,body{height:auto;margin:0;padding:0}
  body{background:#fff;font-size:12pt}
  .rail,.rail-mask,.topbar,.page-foot,.no-print,.toast,.drawer,.drawer-mask,.modal-mask,
  .cls-bar,.btn-row,.search-wrap,.chip input,.right,.inline-form,#importBox,
  .card-pad form form,.field,.card-hd .right{display:none!important}
  .shell{margin:0}
  .main{padding:0;max-width:none}
  .section{margin:0 0 8px 0}
  /* 黑板打印：只留黑板，去掉编辑区 */
  .board{border:2px solid #333;border-radius:0;box-shadow:none;padding:18px 22px}
  .board-title{font-size:16pt;margin-bottom:10px}
  .board-grid{gap:24px}
  .board-body{font-size:13pt;line-height:1.9}
  .board h4{font-size:12pt;margin-bottom:4px}
  .grid.g2{display:block}
  .grid.g2 .card{display:none}
  /* 表格撑满 A4 */
  .tbl-wrap{border:0;overflow:visible}
  .tbl{width:100%;font-size:11pt;border-collapse:collapse}
  .tbl th,.tbl td{padding:6px 8px;border:1px solid #999}
  .tbl th{background:#eee!important;color:#223}
  tr,td,th{page-break-inside:avoid}
  .print-avoid-break{page-break-inside:avoid}
  .paper{border:0;box-shadow:none;padding:0;margin:0;page-break-after:avoid}
  .paper-title{font-size:16pt;margin-bottom:4px}
  .paper-sub{font-size:10pt;margin-bottom:10px}
  .print-stage{margin-bottom:10px;padding:4px;font-size:10pt;letter-spacing:3px}
  .print-seat{padding:5px 2px;font-size:10pt;border-radius:4px}
  .print-seat small{font-size:7.5pt}
  .seat-grid{gap:4px!important}
  /* 强制单页 */
  .main,.shell,.section,.card,.board{margin-bottom:0!important;padding-bottom:0!important}
  .page-foot,.beian,.tip-box{display:none!important}
  *{page-break-inside:avoid}
  .board{page-break-after:auto}
}

/* 教室横向滚动（手机端座位不被压扁） */
.seat-scroll{overflow-x:auto;overflow-y:hidden;padding:2px 0 6px}
.seat-scroll::-webkit-scrollbar{height:6px}
.seat-scroll::-webkit-scrollbar-thumb{background:#ddd5c2;border-radius:4px}
.seat.sel{outline:2px solid var(--accent);outline-offset:1px}

/* 座位锁 */
.seat-lock{
  position:absolute;top:3px;right:3px;width:18px;height:18px;border-radius:5px;border:0;
  background:rgba(29,59,51,.06);color:#8b968f;font-size:10px;line-height:1;cursor:pointer;display:flex;
  align-items:center;justify-content:center;padding:0;
}
.seat-lock:hover{background:#1d3b33;color:#f0e6cd}
.seat-lock.on{background:#1d3b33;color:#f0e6cd}
.stepbar{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.stepbar .st{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.stepbar .st b{width:19px;height:19px;border-radius:50%;background:#efeade;color:#8a8271;display:flex;align-items:center;justify-content:center;font-size:11px}
.stepbar .st.on{color:var(--ink)}
.stepbar .st.on b{background:var(--accent);color:#fff}
.stepbar .line{flex:1;min-width:10px;height:1px;background:var(--line);max-width:40px}

/* 通用面板 */
.pane{display:none}
.pane.on{display:block}

/* 备案信息（页脚底部，留空不显示） */
.beian{
  display:flex;justify-content:center;gap:18px;flex-wrap:wrap;
  padding:0 28px 20px;font-size:11px;color:#a8b0aa;
}
.beian a{color:#a8b0aa;text-decoration:none}
.beian a:hover{color:var(--green);text-decoration:underline}
@media (max-width:860px){ .beian{padding:0 16px 16px;gap:12px} }

.mt18{margin-top:18px}
.mb14{margin-bottom:14px}
.card-hd h3{font-size:14px;margin:0;font-weight:600;color:var(--ink)}

/* ===== 公共页：黑板 + 座位 + 成绩查询 ===== */
.pub-body{background:#f6f3ea}
.pub-top{position:sticky;top:0;z-index:50;background:#16332c;color:#f2ede0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:10px 18px;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.pub-brand{display:flex;align-items:center;gap:10px;color:#f2ede0;text-decoration:none}
.pub-brand strong{display:block;font-size:14px}
.pub-brand span{font-size:11px;color:#a9c0b5}
.pub-brand .rail-logo{width:34px;height:34px;font-size:16px}
.pub-nav{display:flex;gap:4px;flex-wrap:wrap}
.pub-nav a{color:#d8e2dc;text-decoration:none;font-size:13px;padding:6px 10px;border-radius:8px}
.pub-nav a:hover{background:rgba(255,255,255,.12)}
.pub-main{max-width:1080px;margin:0 auto;padding:18px 16px 30px}
.pub-hero{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin:8px 0 18px}
.pub-hero h1{margin:0;font-size:22px}
.pub-hero p{margin:4px 0 0;color:#7d8880;font-size:13px}
.pub-hero-actions{display:flex;gap:8px;flex-wrap:wrap}
.pub-bb{background:#1d3b33;color:#f2ede0;border-radius:16px;padding:18px 20px;margin-bottom:18px;
  box-shadow:0 10px 26px rgba(20,45,38,.18)}
.pub-bb-hd{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#bcd0c6}
.pub-bb .btn{background:#2c5246;color:#f2ede0;border-color:#3a6657}
.pub-bd-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
.pub-bd-grid b{display:block;font-size:12px;color:#9fb8ac;margin-bottom:4px}
.pub-bd-grid p{margin:0;font-size:14px;line-height:1.7;white-space:pre-wrap}
.pub-bb-empty{margin:14px 0 0;color:#9fb8ac}
.pub-seats{display:grid;gap:6px}
.pub-seat{background:#fff;border:1px solid var(--line-2);border-radius:8px;padding:10px 4px;text-align:center}
.pub-seat b{font-size:13px}
.pub-seat.is-empty{border-style:dashed;color:#b9bfb8;font-size:11px;background:transparent}

/* 成绩查询 */
.q-result{margin-top:8px}
.q-stu{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px;border:1px solid var(--line-2);border-radius:12px;background:#fbf9f2}
.q-avatar{width:46px;height:46px;border-radius:50%;background:#1d3b33;color:#f2ede0;display:flex;align-items:center;justify-content:center;font-size:20px}
.q-stu b{font-size:16px;display:block}
.q-stu span{font-size:12px;color:#7d8880}
.q-rank{margin-left:auto;text-align:right;background:#fff;border:1px solid var(--line-2);border-radius:10px;padding:8px 14px}
.q-rank b{font-size:18px;color:#c2603a}
.q-rank span{display:block;font-size:11px;color:#7d8880}
.q-one{display:flex;align-items:center;gap:16px;margin-top:14px;padding:16px;border-radius:12px;background:#fff;border:1px solid var(--line-2)}
.q-one-name{font-size:14px;color:#7d8880}
.q-one-score{font-size:30px;font-weight:700;color:#1d3b33}
.q-one-full{margin-left:auto;font-size:12px;color:#9aa39d}

/* 登录 */
.login-wrap{max-width:420px;margin:6vh auto;padding:0 16px}
.login-card{background:#fff;border:1px solid #e8e2d4;border-radius:18px;padding:28px 28px 20px;box-shadow:0 16px 40px rgba(30,45,40,.1)}
.login-logo{width:46px;height:46px;border-radius:12px;background:#1d3b33;color:#f2ede0;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.login-card h1{margin:0;font-size:20px}
.login-sub{color:#7d8880;font-size:13px;margin:6px 0 16px}
.login-card label{display:block;font-size:12px;color:#7d8880;margin:10px 0 4px}
.login-card .inp{width:100%;margin-bottom:4px}
.btn-block{display:block;width:100%;text-align:center;margin-top:16px}
.login-back{display:block;text-align:center;margin-top:14px;font-size:12px;color:#7d8880;text-decoration:none}
.inline-form{display:inline-flex;gap:4px;align-items:center}
.tag{display:inline-block;background:#eef2ee;color:#4f8a6d;border-radius:6px;font-size:11px;padding:1px 6px;margin-left:4px}
@media (max-width:640px){
  .pub-bd-grid{grid-template-columns:1fr}
  .pub-nav a{padding:6px 8px;font-size:12px}
}

/* ===== v1.4 移动端优化 ===== */
/* 搜索框占满剩余宽度 */
.cls-bar{flex-wrap:wrap}
.search-wrap{flex:1;min-width:120px}
/* 用户管理：改密表单手机端换行 */
#rosterTbl td, #parTbl td{word-break:break-all}
@media (max-width:640px){
  /* 用户管理表格转卡片 */
  .tbl td .inline-form{flex-direction:column;align-items:stretch;gap:6px}
  .tbl td .inline-form .inp{width:100%!important}
  /* 家长表隐藏列 */
  #parTbl th:nth-child(6), #parTbl td:nth-child(6){display:none}
  /* 按钮不换行溢出 */
  .btn-row{flex-wrap:wrap}
  .cls-bar .btn-row{flex-wrap:wrap}
}
/* 打印按钮显式 type=button 防提交 */
[data-print]{type:button}

/* v1.5 公共页手机端适配 */
@media (max-width:640px){
  .pub-top{flex-direction:column;align-items:stretch;gap:6px;padding:10px 14px}
  .pub-brand strong{font-size:13px}
  .pub-nav{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}
  .pub-nav a{white-space:nowrap;font-size:12px;padding:5px 8px}
  .pub-main{padding:12px 10px 24px}
  .pub-hero{margin:4px 0 14px}
  .pub-hero h1{font-size:20px}
  .pub-bb{padding:14px 16px}
  .pub-bd-grid{grid-template-columns:1fr;gap:10px}
  /* 座位表手机端 4 列，不横向溢出 */
  .pub-seats{grid-template-columns:repeat(4,minmax(0,1fr))!important;min-width:0!important;overflow:visible}
  .pub-seat{padding:8px 2px}
  .pub-seat b{font-size:12px}
}