/* Chalkmate — classes, class page and timetable (prefix .cl-) */

/* ---------- Class list ---------- */
.cl-group{margin-bottom:28px}
.cl-ghead{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.cl-ghead h3{margin:0;font-size:16px;font-weight:650;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.cl-card{display:flex;flex-direction:column;gap:10px;padding:16px 18px 14px;text-decoration:none;color:inherit;position:relative;overflow:hidden;transition:box-shadow .15s,transform .15s,border-color .15s}
.cl-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c)}
.cl-card:hover{box-shadow:var(--sh-2);border-color:color-mix(in srgb,var(--c) 35%,var(--line))}
.cl-card-top{display:flex;align-items:flex-start;gap:10px;min-width:0}
.cl-card-top b{display:block;font-size:15.5px;font-weight:650}
.cl-card-top .faint{display:block;font-size:12.5px}
.cl-card .pill svg{width:12px;height:12px}
.cl-dot{width:10px;height:10px;border-radius:3px;background:var(--c);margin-top:6px;flex:none}
.cl-next{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px;min-height:22px}
.cl-warn{display:inline-flex;align-items:center;gap:5px;color:var(--warn);font-weight:600;font-size:12.5px}
.cl-warn svg{width:14px;height:14px}
.cl-cov{display:flex;flex-direction:column;gap:5px}
.cl-cov .pbar i,.cl-unit .pbar i{background:var(--c,var(--brand))}
.pbar.ok i{background:var(--ok)!important}
.cl-slots{display:flex;flex-wrap:wrap;gap:4px}
.cl-slot{font-size:11.5px;font-weight:600;color:var(--text-2);background:var(--bg-2);border-radius:5px;padding:2px 6px;font-variant-numeric:tabular-nums}

/* ---------- Class page ---------- */
.cl-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cl-head h2{margin:0;font-size:24px;font-weight:700;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cl-head .acts{flex:none}
.cl-badge{width:52px;height:52px;border-radius:14px;background:var(--c);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;flex:none;box-shadow:0 6px 18px color-mix(in srgb,var(--c) 35%,transparent)}
.cl-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);margin-bottom:18px;overflow:hidden}
.cl-strip>div{padding:12px 16px;border-right:1px solid var(--line-2)}
.cl-strip>div:last-child{border-right:0}
.cl-strip b{display:block;font-size:20px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.cl-strip span{font-size:12px;color:var(--text-2)}
.cl-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.cl-tabs::-webkit-scrollbar{display:none}
.cl-tabs button{border:0;background:transparent;padding:10px 14px;font-weight:600;font-size:14px;color:var(--text-2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;flex:none}
.cl-tabs button:hover{color:var(--text)}
.cl-tabs button.on{color:var(--text);border-bottom-color:var(--c,var(--brand))}
.cl-panel{min-height:200px}
.cl-h3{margin:0 0 12px;font-size:15px}
.card-h h3{margin:0;font-size:15px}
.cl-ov{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;align-items:start}
.cl-kv{grid-template-columns:110px 1fr}
.cl-notes{white-space:pre-wrap;margin-top:14px;padding-top:12px;border-top:1px solid var(--line-2);font-size:13.5px;color:var(--text-2)}
.cl-lrow{gap:14px}
.cl-ldate{width:84px;flex:none}
.cl-ldate b{font-size:13px}
.cl-ldate span{display:block;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.cl-unit{align-items:flex-start}
.cl-unit .pbar{margin-top:8px;max-width:340px}
.cl-unit.cur b{color:var(--c,var(--brand))}
.cl-us-current{background:color-mix(in srgb,var(--brand) 14%,var(--panel));color:var(--brand)}
.cl-us-done{background:color-mix(in srgb,var(--ok) 14%,var(--panel));color:var(--ok)}
.linkbtn{border:0;background:none;padding:0;color:var(--brand);font-weight:600;cursor:pointer;font-size:inherit}

/* Timetable tab (one class) */
.cl-tt{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:0;border-top:1px solid var(--line-2)}
.cl-tt-day{padding:12px 14px;border-right:1px solid var(--line-2);min-width:0}
.cl-tt-day:last-child{border-right:0}
.cl-tt-dh{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.cl-tt-dh b{font-size:13px}
.cl-tt-slot{display:flex;align-items:flex-start;gap:2px;padding:8px 8px 8px 10px;border-radius:9px;background:color-mix(in srgb,var(--c,var(--brand)) 9%,var(--panel));border:1px solid color-mix(in srgb,var(--c,var(--brand)) 22%,var(--line));margin-bottom:6px}
.cl-tt-slot b{display:block;font-size:13px;font-variant-numeric:tabular-nums}
.cl-tt-slot .faint{display:block;font-size:12px}
.cl-tt-slot .pill{margin-top:4px}
.cl-tt-none{padding:4px 0}
.cl-wk1{background:color-mix(in srgb,#0ea5e9 14%,var(--panel));color:#0369a1}
.cl-wk2{background:color-mix(in srgb,#f59e0b 16%,var(--panel));color:#b45309}
:root[data-theme="dark"] .cl-wk1{color:#7dd3fc}:root[data-theme="dark"] .cl-wk2{color:#fcd34d}

/* ---------- Weekly timetable grid ---------- */
.cl-week{display:grid;grid-template-columns:repeat(var(--n,5),minmax(150px,1fr));gap:12px;align-items:start}
.cl-wday{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px;min-width:0;box-shadow:var(--sh-1)}
.cl-wday.today{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));box-shadow:0 0 0 3px var(--focus)}
.cl-wdh{display:flex;align-items:baseline;justify-content:space-between;gap:6px;padding:2px 4px 10px}
.cl-wday.today .cl-wdh b{color:var(--brand)}
.cl-block{display:flex;flex-direction:column;gap:1px;padding:9px 10px 9px 12px;border-radius:10px;text-decoration:none;color:inherit;margin-bottom:8px;position:relative;background:color-mix(in srgb,var(--c) 10%,var(--panel));border:1px solid color-mix(in srgb,var(--c) 25%,var(--line));transition:background .12s}
.cl-block::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--c)}
.cl-block:hover{background:color-mix(in srgb,var(--c) 17%,var(--panel))}
.cl-block b{font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cl-bt{font-size:11.5px;font-weight:600;color:var(--text-2);font-variant-numeric:tabular-nums}
.cl-bt em{font-style:normal;color:var(--text-3);font-weight:500}
.cl-bs{font-size:12px;color:var(--text-2)}
.cl-bsch{margin-top:4px}
.cl-bsch .tag{height:19px;font-size:11px;background:color-mix(in srgb,var(--panel) 70%,transparent)}
.cl-block.clash{border-color:var(--warn)}
.cl-bclash{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;color:var(--warn);margin-top:3px}
.cl-bclash svg{width:12px;height:12px}
.cl-gap{font-size:11px;color:var(--text-3);text-align:center;padding:0 0 8px;letter-spacing:.02em}
.cl-free{font-size:12.5px;color:var(--text-3);padding:10px 4px}
.cl-now{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--brand)}
.cl-sq{width:8px;height:8px;border-radius:2px;display:inline-block}

@media (max-width:1100px){
  .cl-week{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cl-ov{grid-template-columns:1fr}
}
@media (max-width:760px){
  .cl-grid{grid-template-columns:1fr;gap:10px}
  .cl-head{gap:10px;align-items:flex-start}
  .cl-head h2{font-size:20px}
  .cl-badge{width:42px;height:42px;font-size:14px;border-radius:12px}
  .cl-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cl-strip>div:nth-child(2){border-right:0}
  .cl-strip>div:nth-child(-n+2){border-bottom:1px solid var(--line-2)}
  .cl-strip b{font-size:18px}
  .cl-tabs{margin-left:-14px;margin-right:-14px;padding:0 10px}
  .cl-tabs button{padding:10px 11px}
  .cl-week{grid-template-columns:1fr}
  .cl-wday:not(.today) .cl-free{padding:4px}
  .cl-tt{grid-template-columns:1fr}
  .cl-tt-day{border-right:0;border-bottom:1px solid var(--line-2)}
  .cl-tt-day:last-child{border-bottom:0}
  .cl-ldate{width:72px}
}