:root{--bg:#f6f7fb;--card:#ffffff;--ink:#1c2333;--ink-2:#5a6478;--ink-3:#666f88;--line:#e4e7f0;--control-border:#868da1;--accent:#3d5afe;--accent-soft:#eef1ff;--danger:#c0392b;--hover:#f0f1f6;--hover-strong:#e2e5ef;--btn-2:#eceef5;--belinda:#7048c9;--belinda-soft:#f2ecfc;--mary:#0b6f58;--mary-soft:#e6f6f1;--sonja:#ad5314;--sonja-soft:#fdf0e4;--on-accent:#ffffff;--shadow:0 18px 48px rgba(28,35,51,.12);--shadow-float:0 4px 14px rgba(28,35,51,.08);--radius:12px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#14161d;--card:#1c1f2a;--ink:#e8eaf3;--ink-2:#b3bacb;--ink-3:#949bb0;--line:#2c303e;--control-border:#646c86;--accent:#93a3ff;--accent-soft:#232a4d;--danger:#ff8177;--hover:#262a37;--hover-strong:#2f3444;--btn-2:#2a2f3e;--belinda:#b79aef;--belinda-soft:#2b2344;--mary:#4fd0a5;--mary-soft:#1d332c;--sonja:#eb9a5d;--sonja-soft:#38281c;--on-accent:#12141c;--shadow:0 18px 48px rgba(0,0,0,.45);--shadow-float:0 4px 14px rgba(0,0,0,.35);color-scheme:dark}}*{margin:0;padding:0;box-sizing:border-box}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}body{background:var(--bg);color:var(--ink);font-family:Avenir Next,Segoe UI,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.5}header{background:var(--card);border-bottom:1px solid var(--line);padding:14px 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand{display:flex;flex-direction:column}.brand .school{font-size:17px;font-weight:700;letter-spacing:.2px}.brand .sem{font-size:12.5px;color:var(--ink-3)}nav{display:flex;gap:6px;margin-left:8px}nav button{border:none;background:transparent;color:var(--ink-2);font:inherit;font-weight:600;padding:8px 16px;border-radius:9px;cursor:pointer}nav button.active{background:var(--accent-soft);color:var(--accent)}nav button:hover:not(.active){background:var(--hover)}.spacer{flex:1 1}.lang-toggle{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}.lang-toggle button{border:none;background:var(--card);color:var(--ink-2);font:inherit;font-weight:600;font-size:13px;padding:7px 14px;cursor:pointer}.lang-toggle button.active{background:var(--ink);color:var(--card)}.lang-toggle button:hover:not(.active){background:var(--hover)}main{max-width:1280px;margin:0 auto;padding:26px 28px 60px}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-bottom:26px}.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.tile .label{font-size:12.5px;color:var(--ink-3);font-weight:600;text-transform:uppercase;letter-spacing:.4px}.tile .value{font-size:26px;font-weight:700;margin-top:2px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.tile .sub{font-size:12.5px;color:var(--ink-2)}.day-section{margin-bottom:30px}.day-title{font-size:19px;font-weight:700;margin-bottom:4px}.period-label{font-size:12.5px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.6px;margin:14px 0 8px}.class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));grid-gap:12px;gap:12px}.class-card{background:var(--card);border-radius:var(--radius);padding:14px 15px;border:1px solid var(--line);border-top:3px solid var(--tc,var(--accent))}.class-card .cname{font-weight:700;font-size:15.5px}.class-card .teacher-chip{display:inline-block;font-size:12px;font-weight:700;padding:2px 9px;border-radius:20px;background:var(--tcs,var(--accent-soft));color:var(--tc,var(--accent));margin:5px 0 7px}.class-card .meta{font-size:13px;color:var(--ink-2);display:flex;flex-direction:column;gap:2px}.class-card .sessions{margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);font-size:13px}.class-card .sessions .s{display:flex;justify-content:space-between;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.class-card .sessions .s b{color:var(--ink-3);font-weight:600;font-size:12px}.class-card .curr{margin-top:7px;font-size:12px;color:var(--ink-3)}.teacher-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}.teacher-head{gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap}.avatar,.teacher-head{display:flex;align-items:center}.avatar{width:42px;height:42px;border-radius:50%;justify-content:center;color:var(--on-accent);background:var(--tc,var(--accent))}.avatar,.teacher-head .tname{font-weight:700;font-size:17px}.teacher-head .tsub{font-size:13px;color:var(--ink-2)}.rate-edit{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}.rate-edit input{width:90px;padding:7px 10px;border:1px solid var(--control-border);border-radius:8px;font:inherit;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:right}.teacher-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:0;gap:0;border-bottom:1px solid var(--line)}.teacher-stats .ts{padding:13px 20px;border-right:1px solid var(--line)}.teacher-stats .ts:last-child{border-right:none}.teacher-stats .ts .label{font-size:11.5px;color:var(--ink-3);font-weight:700;text-transform:uppercase;letter-spacing:.4px}.teacher-stats .ts .value{font-size:20px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.teacher-stats .ts .value .unit{font-size:12.5px;font-weight:600;color:var(--ink-3)}table.class-table{width:100%;border-collapse:collapse;font-size:13.5px}table.class-table thead th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--ink-3);padding:9px 20px;border-bottom:1px solid var(--line);font-weight:700}table.class-table tbody th,table.class-table td{text-align:left;font-weight:inherit;padding:9px 20px;border-bottom:1px solid var(--line);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}table.class-table tbody tr:last-child th,table.class-table tr:last-child td{border-bottom:none}table.class-table td.num,table.class-table th.num{text-align:right}table.class-table tbody tr:hover td,table.class-table tbody tr:hover th{background:var(--hover)}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-bottom:20px;max-width:720px}.panel h3{font-size:16px;margin-bottom:4px}.panel p.hint{font-size:13px;color:var(--ink-2);margin-bottom:14px}.field-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:8px}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12.5px;font-weight:600;color:var(--ink-2)}.field input,.field select{padding:8px 11px;border:1px solid var(--control-border);border-radius:8px;font:inherit;background:var(--card);color:var(--ink)}.btn{display:inline-block;border:none;background:var(--accent);color:var(--on-accent);font:inherit;font-weight:600;padding:9px 18px;border-radius:9px;cursor:pointer;margin-top:6px}.btn.secondary{background:var(--btn-2);color:var(--ink)}.btn:hover:not(:disabled){filter:brightness(1.05)}.btn:active:not(:disabled){filter:brightness(.95)}.btn.secondary:hover:not(:disabled){background:var(--hover-strong);filter:none}.btn:disabled{opacity:.55;cursor:not-allowed}input:disabled,select:disabled{opacity:.5;cursor:not-allowed}.btn.small{padding:6px 13px;margin-top:0;font-size:13.5px}.import-confirm{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;font-size:13.5px}.btn-link{border:none;background:none;padding:0;margin-left:8px;color:var(--accent);font:inherit;font-size:inherit;font-weight:600;cursor:pointer;text-decoration:underline}.import-status{margin-top:12px;font-size:13.5px}.import-status.ok{color:var(--mary)}.import-status.err{color:var(--danger)}.footnote{font-size:12.5px;color:var(--ink-3);margin-top:10px}.panel.wide{max-width:none}.month-picker{display:flex;align-items:center;gap:8px;margin-bottom:18px;flex-wrap:wrap}.month-picker button{border:1px solid var(--line);background:var(--card);color:var(--ink-2);font:inherit;font-weight:600;font-size:13.5px;padding:7px 15px;border-radius:20px;cursor:pointer}.month-picker button.active{background:var(--ink);color:var(--card);border-color:var(--ink)}.month-picker button:hover:not(.active){background:var(--hover)}.lang-toggle button:active,.month-picker button:active,.sb-item:active{filter:brightness(.96)}.month-picker .paid-on{font-size:12.5px;color:var(--ink-3);margin-left:4px}.month-del{border:1px solid var(--line);background:var(--card);color:var(--ink-3);width:26px;height:26px;border-radius:50%;cursor:pointer;font-size:15px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.month-del:hover{border-color:var(--danger);color:var(--danger);background:var(--hover)}.legend{display:flex;gap:14px;flex-wrap:wrap;margin:8px 0 12px}.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--ink-2)}.chip i{width:11px;height:11px;border-radius:3px;display:inline-block}.chart-scroll{overflow-x:auto}svg .c-label{font-size:13px;font-weight:600;fill:var(--ink)}svg .c-value{font-size:12px;font-weight:700;fill:var(--ink);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}svg .c-net{font-weight:500;fill:var(--ink-3)}svg .c-axis{font-size:12px;fill:var(--ink-3)}svg .grid{stroke:var(--line);stroke-width:1}details.stmt{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:var(--card)}details.stmt summary:hover{background:var(--hover);border-radius:10px}details.stmt summary{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none}details.stmt summary:before{content:"▸";color:var(--ink-3);font-size:12px;transition:transform .15s}details.stmt[open] summary:before{transform:rotate(90deg)}details.stmt summary i{width:11px;height:11px;border-radius:50%;display:inline-block}details.stmt .s-net{margin-left:auto;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--ink-2);font-size:13.5px}.stmt-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:18px;gap:18px;padding:4px 16px 14px;align-items:start}.stmt-table td{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stmt-table tr.sub td{color:var(--ink-3);font-size:12.5px;padding-top:3px;padding-bottom:3px;border-bottom:none}.stmt-table tr.sub td:first-child{padding-left:26px}.stmt-table tr.total td{border-top:2px solid var(--line)}.stmt-table tr.grand td{background:var(--accent-soft)}.delta-up{color:var(--mary)}.delta-down{color:var(--danger)}.mini{font-size:11.5px;color:var(--ink-3);font-weight:400}.filter-row{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}.filter-input{padding:9px 13px;border:1px solid var(--control-border);border-radius:9px;font:inherit;background:var(--card);min-width:200px}.filter-input.sel{min-width:140px}.badge{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:20px}.badge.ok{background:var(--mary-soft);color:var(--mary)}.badge.off{background:var(--btn-2);color:var(--ink-2)}.badge.new{background:var(--accent-soft);color:var(--accent);margin-left:8px;font-size:11px;vertical-align:2px}tr.row-inactive td{color:var(--ink-3)}tr.row-inactive td b{color:var(--ink-3);font-weight:600}td .mini{display:block}.hint.intro{max-width:860px;margin-bottom:18px;font-size:14px;color:var(--ink-2)}.dim-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:16px;gap:16px;margin-bottom:4px}.dim-grid .panel{margin-bottom:0;max-width:none}.dim-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.weight-chip{font-size:12.5px;font-weight:600;color:var(--ink-2);white-space:nowrap}.cell-input{width:74px;padding:5px 8px;border:1px solid var(--control-border);border-radius:7px;font:inherit;font-size:13px;text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;background:var(--card);color:var(--ink)}.cell-input.sel{width:auto;text-align:left}table.class-table.compact td,table.class-table.compact th{padding:7px 12px}@media (max-width:700px){header{padding:12px 16px}main{padding:18px 16px 50px}.rate-edit{margin-left:0;width:100%}}.login-wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 32px;width:100%;max-width:380px;box-shadow:var(--shadow)}.login-brand{font-size:21px;font-weight:700;letter-spacing:-.2px}.login-tag{font-size:13px;color:var(--ink-3);margin-bottom:20px}.login-form{gap:13px}.login-form,.login-form label{display:flex;flex-direction:column}.login-form label{gap:5px;font-size:12.5px;font-weight:600;color:var(--ink-2)}.login-form input{padding:10px 12px;border:1px solid var(--control-border);border-radius:9px;font:inherit;font-size:14.5px}.login-form input:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.login-form .btn{margin-top:4px;width:100%;padding:11px}.login-msg{font-size:13.5px;line-height:1.5;color:var(--danger)}.login-note{font-size:12px;color:var(--ink-3);text-align:center}#account{display:flex;align-items:center;gap:10px}.acct-email{font-size:12.5px;color:var(--ink-3);max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.acct-out{border:1px solid var(--line);background:var(--card);color:var(--ink-2);font:inherit;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:8px;cursor:pointer}.acct-out:hover{background:var(--hover)}.save-status{font-size:12px;font-weight:600;color:var(--ink-3)}.save-status.saved{color:var(--mary)}.save-status.error{color:var(--danger)}.empty-state{color:var(--ink-2);font-size:13.5px;padding:18px 0}.layout{display:flex;min-height:100dvh}.sidebar{width:236px;flex:0 0 auto;display:flex;flex-direction:column;background:var(--card);border-right:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;height:100dvh;overflow-y:auto;transition:width .15s ease;z-index:20}.sidebar.collapsed{width:64px}.content{flex:1 1 auto;min-width:0;position:relative}.content main{max-width:1280px;margin:0 auto;padding:26px 28px 60px}.sb-brand{gap:10px;padding:16px 14px 12px}.sb-brand,.sb-logo{display:flex;align-items:center}.sb-logo{width:36px;height:36px;flex:0 0 auto;border-radius:10px;background:var(--accent);color:var(--on-accent);font-weight:800;font-size:14px;justify-content:center;letter-spacing:.5px}.sb-title{min-width:0}.sb-title .school{font-size:14.5px;font-weight:700;line-height:1.25}.sb-title .sem{font-size:11.5px;color:var(--ink-3)}.sb-nav{flex:1 1 auto;padding:6px 10px;display:block;margin-left:0}.sb-group{margin-bottom:14px}.sb-group-label{font-size:11px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.7px;padding:8px 10px 4px}.sb-item{display:flex;align-items:center;gap:10px;width:100%;border:none;background:transparent;color:var(--ink-2);cursor:pointer;font:inherit;font-weight:600;font-size:14px;padding:9px 10px;border-radius:9px;text-decoration:none;text-align:left}.sb-item:hover{background:var(--hover);color:var(--ink)}.sb-item.active{background:var(--accent-soft);color:var(--accent)}.sb-icon{width:19px;height:19px;flex:0 0 auto;display:inline-flex}.sb-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sb-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar.collapsed .sb-brand{justify-content:center;padding-inline:0}.sidebar.collapsed .sb-nav{padding-inline:12px}.sidebar.collapsed .sb-item{justify-content:center;padding-inline:0}.sidebar.collapsed .sb-group{margin-bottom:8px;padding-top:8px;border-top:1px solid var(--line)}.sidebar.collapsed .sb-group:first-child{border-top:none;padding-top:0}.sb-footer{padding:10px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}.sb-footer .lang-toggle{align-self:stretch;display:flex;margin-bottom:4px}.sb-footer .lang-toggle button{flex:1 1}.sb-footer .save-status{padding:0 10px 4px}.sb-avatar{width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--belinda);color:var(--on-accent);font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.sb-account{color:var(--ink)}.sb-collapse,.sb-signout{color:var(--ink-3);font-weight:600}.sidebar.collapsed .sb-footer{padding:10px 12px}.save-float{position:fixed;top:14px;right:20px;z-index:30;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:5px 14px;box-shadow:var(--shadow-float)}@media (max-width:700px){.content main{padding:18px 14px 50px}}@media (prefers-reduced-motion:reduce){*,:after,:before{transition:none!important}}.layout:has(.sidebar:not(.collapsed)) .save-float{display:none}.sb-lang .sb-icon{font-size:11px;font-weight:800;letter-spacing:.5px;align-items:center;justify-content:center}