/* Style stron ćwiczeń: egzamin, nauka, statystyki, panel nauczyciela. Uzupełnia assets.css. */

.subhero{padding-block:34px 40px}
.subhero h1{max-width:none;margin:12px 0 0;font-size:clamp(28px,4vw,42px);line-height:1.1;letter-spacing:-.03em}
.subhero .lead{margin-top:14px;font-size:16px}
.top .eyebrow{display:flex}
.main.narrow{max-width:640px}
.main.narrow-wide{max-width:860px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink);padding:0 18px;font:700 14px inherit;text-decoration:none;cursor:pointer}
.btn:hover{border-color:#94a3b8}
.btn:disabled{opacity:.4;cursor:default}
.btn.primary{border:0;background:linear-gradient(135deg,var(--navy),var(--brand));color:#fff}
.btn.danger{border:0;background:var(--red);color:#fff}
.btn.ghost{min-height:34px;padding:0 12px;font-size:13px;color:var(--muted)}
.btn.ghost.on{border-color:#f59e0b;background:#fffbeb;color:#92400e}
.btn.big{min-height:54px;width:100%;font-size:16px}
.btn.wide{width:100%}

.panel{margin-bottom:22px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.panel h2{margin:0 0 14px;font-size:20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.muted{color:var(--muted)}
.small{font-size:13px}
.notice{border-radius:11px;background:#eef2ff;padding:12px 14px;font-size:14px}
.notice.bad{background:#ffe4e6;color:#9f1239}
.notice.warn{display:flex;flex-wrap:wrap;align-items:center;gap:12px;background:#fffbeb;color:#78350f;border:1px solid #fcd34d}
.panel code{background:#e2e8f0;padding:2px 5px;border-radius:4px}

.form-grid{display:grid;gap:12px}
.form-grid label{display:grid;gap:5px;font-size:13px;font-weight:700;color:var(--muted)}
.form-grid input,.form-grid select{height:44px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font:inherit;color:var(--ink)}

.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:22px}
.mode-grid.three{grid-template-columns:repeat(3,1fr)}
.mode-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:26px;color:inherit;text-decoration:none;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.mode-card.link:hover{border-color:var(--brand)}
.mode-card h2{margin:0;font-size:20px}
.mode-card p{margin:4px 0 0;color:var(--muted);line-height:1.5}
.mode-card ul{margin:8px 0 14px;padding-left:18px;color:var(--muted);font-size:14px;line-height:1.7}
.mode-card .btn{margin-top:auto}
.big-number{font:700 52px ui-monospace,monospace;letter-spacing:-.06em;color:var(--navy)}

.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{padding:8px 10px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px;text-align:left;text-transform:uppercase;letter-spacing:.06em}
.table td{padding:11px 10px;border-bottom:1px solid #eef2f6;vertical-align:middle}
.table a{color:var(--brand);font-weight:700;text-decoration:none}
.pill{display:inline-block;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}
.pill.good{background:#d1fae5;color:#065f46}
.pill.bad{background:#ffe4e6;color:#9f1239}

.kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:22px}
.kpis div{border:1px solid var(--line);border-radius:14px;background:#fff;padding:16px}
.kpis strong{display:block;font:700 26px ui-monospace,monospace;color:var(--navy)}
.kpis span{display:block;margin-top:5px;color:var(--muted);font-size:12px}

.bars{display:grid;gap:10px}
.bar-row{display:grid;grid-template-columns:minmax(150px,280px) 1fr 56px;align-items:center;gap:14px;font-size:14px}
.bar-row span small{display:block;color:var(--muted);font-size:12px}
.bar-row a{color:inherit}
.bar-row b{text-align:right;font:600 13px ui-monospace,monospace}
.bar{height:10px;overflow:hidden;border-radius:999px;background:#e8edf3}
.bar i{display:block;height:100%;border-radius:999px}
.bar i.good{background:#10b981}
.bar i.bad{background:#f43f5e}
.trend{width:100%;height:auto}
.trend .trend-line{fill:none;stroke:var(--brand);stroke-width:2.5}
.trend .pass-line{stroke:#cbd5e1;stroke-dasharray:5 5}
.trend .axis{fill:var(--muted);font-size:11px}
.trend .dot.good{fill:#10b981}
.trend .dot.bad{fill:#f43f5e}

.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.cat-tile{display:grid;gap:6px;border:1px solid var(--line);border-radius:13px;padding:14px;color:inherit;text-decoration:none}
.cat-tile:hover{border-color:var(--brand)}
.cat-tile small{color:var(--muted);font-size:12px}

.seg{display:flex;gap:4px;border:1px solid var(--line);border-radius:11px;background:#fff;padding:4px}
.seg a{border-radius:8px;padding:7px 12px;color:var(--muted);text-decoration:none;font-size:13px;font-weight:700}
.seg a.active{background:var(--navy);color:#fff}

.result-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px;border-radius:18px;padding:28px;color:#fff}
.result-hero.pass{background:linear-gradient(135deg,#047857,#10b981)}
.result-hero.fail{background:linear-gradient(135deg,#9f1239,#e11d48)}
.result-hero h1{margin:6px 0;font-size:54px;letter-spacing:-.04em;line-height:1}
.result-hero h1 span{font-size:30px;opacity:.85}
.result-hero p{margin:0}
.result-hero small{opacity:.85}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}

/* egzamin */
.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.exam-q[hidden]{display:none}
.exam-q .card-meta strong{font-size:22px}
.exam-q .card-meta small{color:var(--muted);font-size:15px}
.answers .answer.selected{border-color:var(--brand);background:#eef2ff}
.answers .answer.selected>span{background:var(--brand);color:#fff}
.exam-nav{display:flex;justify-content:space-between;gap:10px;margin-top:22px}
.exam-side{position:sticky;top:16px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:20px}
.timer{font:700 40px ui-monospace,monospace;letter-spacing:-.04em;text-align:center;color:var(--navy)}
.timer.low{color:var(--red)}
.exam-side p{text-align:center;margin:4px 0 14px}
.grid-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:18px}
.grid-nav button{height:38px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;font:600 13px ui-monospace,monospace;cursor:pointer}
.grid-nav button.done{background:#dbeafe;border-color:#93c5fd}
.grid-nav button.flagged{box-shadow:inset 0 -3px 0 #f59e0b}
.grid-nav button.current{outline:2px solid var(--navy);outline-offset:1px}

.learn-top{display:flex;justify-content:space-between;margin-bottom:12px;color:var(--muted);font-size:14px}
.learn-top a{color:var(--brand)}
#learn-card .btn{margin-top:18px}

@media(max-width:900px){
  .exam-layout{grid-template-columns:1fr}
  .exam-side{position:static;order:-1}
  .kpis{grid-template-columns:repeat(3,1fr)}
  .mode-grid,.mode-grid.three,.cat-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .bar-row{grid-template-columns:1fr 50px}
  .bar-row .bar{grid-column:1/-1;order:3}
  .result-hero h1{font-size:40px}
}

/* klasy w panelu nauczyciela */
.flash{margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chips a{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;background:#fff;padding:8px 14px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:600}
.chips a:hover{border-color:var(--brand)}
.chips a.active{border-color:var(--navy);background:var(--navy);color:#fff}
.chips a b{font:600 12px ui-monospace,monospace;opacity:.7}
.assign-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;border-radius:12px;background:#f1f5f9;padding:12px 14px}
.assign-bar label{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.assign-bar select{height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:0 10px;font:inherit}
.assign-bar .check-all{margin-left:auto;color:var(--muted);font-weight:500}
.inline-form{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.inline-form input{height:42px;min-width:240px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font:inherit}
.class-list{display:grid;gap:10px;margin-top:18px;border-top:1px solid var(--line);padding-top:18px}
.class-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.class-row .btn{min-height:42px}
.panel h2 small{font-size:13px;font-weight:500}

/* zadania */
.pill.warn{background:#fef3c7;color:#92400e}
.pill.info{background:#dbeafe;color:#1e40af}
.pill.muted{background:#e2e8f0;color:#475569}
.bar i.info{background:var(--brand)}
.bar.slim{height:7px;max-width:260px;margin-bottom:4px}
.task{margin-bottom:16px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:22px;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.task.is-done{opacity:.8}
.task-head{display:flex;justify-content:space-between;gap:12px;align-items:start}
.task-head h2{margin:4px 0 0;font-size:20px}
.task p{margin:10px 0 0}
.task-progress{display:grid;gap:6px;margin-top:14px}
.task-progress span{color:var(--muted);font-size:13px}
.task-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.due{font-size:14px;color:var(--muted)}
.due.late{color:var(--red);font-weight:700}
.kpis.kpis-4{grid-template-columns:repeat(4,1fr)}
.wide-form{max-width:760px}
.wide-form textarea{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;color:var(--ink);resize:vertical}
fieldset{margin:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
legend{padding:0 6px;color:var(--muted);font-size:13px;font-weight:700}
label.check{display:inline-flex;align-items:center;gap:7px;margin:3px 16px 3px 0;color:var(--ink);font-size:14px;font-weight:600}
.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.type-opt{display:grid;grid-template-columns:auto 1fr;gap:2px 8px;border:1px solid var(--line);border-radius:11px;padding:10px 12px;cursor:pointer;color:var(--ink)!important}
.type-opt small{grid-column:2;color:var(--muted);font-weight:500}
.type-opt:has(input:checked){border-color:var(--brand);background:#eef2ff}
.type-fields{display:grid;gap:12px;border-radius:12px;background:#f8fafc;padding:14px}
.type-fields[hidden]{display:none}
@media(max-width:700px){.type-grid,.kpis.kpis-4{grid-template-columns:1fr 1fr}}
.bar-row:has(> .btn){grid-template-columns:minmax(150px,280px) 1fr 56px auto}
.bar-row > .btn{min-height:34px;padding:0 12px;font-size:13px}
@media(max-width:560px){.bar-row:has(> .btn){grid-template-columns:1fr 50px}.bar-row > .btn{grid-column:1/-1}}

.detail-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.detail-bar form{margin:0}
.linklike{border:0;background:none;padding:0 4px;color:var(--brand);font:600 12px inherit;text-decoration:underline;cursor:pointer}
.linklike:hover{color:var(--navy)}