/* Smart learning engine: mastery map, placement test, «مراجعة اليوم» (learning.js). */
:root{--lv-new:#EEF0F5;--lv-new-ink:#5B6476;--lv-fam:#FFE9B8;--lv-fam-ink:#8A5A00;--lv-pro:#BFE5DE;--lv-pro-ink:#155E56;--lv-mas:#1F8A5B;--lv-mas-ink:#fff}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--lv-new:#262B36;--lv-new-ink:#A9B1C2;--lv-fam:#4A3A16;--lv-fam-ink:#F2C46B;--lv-pro:#17423D;--lv-pro-ink:#8FE0D3;--lv-mas:#2E9E6B;--lv-mas-ink:#fff}}
:root[data-theme="dark"]{--lv-new:#262B36;--lv-new-ink:#A9B1C2;--lv-fam:#4A3A16;--lv-fam-ink:#F2C46B;--lv-pro:#17423D;--lv-pro-ink:#8FE0D3;--lv-mas:#2E9E6B;--lv-mas-ink:#fff}
.lv-new{background:var(--lv-new);color:var(--lv-new-ink)}.lv-familiar{background:var(--lv-fam);color:var(--lv-fam-ink)}
.lv-proficient{background:var(--lv-pro);color:var(--lv-pro-ink)}.lv-mastered{background:var(--lv-mas);color:var(--lv-mas-ink)}

.l-legend{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0}
.l-legend span{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;border-radius:999px;padding:3px 10px}
.l-legend b{font-family:var(--head)}

.l-map{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;margin:14px 0}
.l-map-h{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between}
.l-map-h h3{margin:0;font-family:var(--head);font-size:19px}
.l-map-h p{margin:2px 0 0;color:var(--muted);font-size:14px}
.l-pct{display:flex;align-items:baseline;gap:4px;font-family:var(--head);font-weight:800;font-size:30px;color:var(--brand)}
.l-pct small{font-size:13px;font-weight:600;color:var(--muted)}
.l-bar{display:flex;height:10px;border-radius:999px;overflow:hidden;background:var(--lv-new);margin:12px 0 4px}
.l-bar i{display:block;height:100%}
.l-units{display:grid;gap:10px;margin-top:14px}
.l-unit{display:grid;grid-template-columns:minmax(0,150px) 1fr;gap:10px;align-items:start}
.l-unit > b{font-size:13.5px;color:var(--muted);font-weight:600;line-height:1.5;padding-top:6px}
.l-tiles{display:flex;flex-wrap:wrap;gap:6px}
.l-tile{font:inherit;font-size:13px;font-weight:700;min-width:52px;min-height:40px;border:0;border-radius:10px;padding:6px 8px;cursor:pointer;direction:ltr;transition:transform .12s,box-shadow .12s}
.l-tile:hover,.l-tile:focus-visible{transform:translateY(-2px);box-shadow:0 6px 14px rgba(27,34,51,.14)}
.l-tile[aria-pressed="true"]{outline:3px solid var(--brand);outline-offset:2px}
.l-tile.started{background-image:linear-gradient(to top,var(--lv-fam) var(--fill),transparent var(--fill))}
.l-tile small{display:block;font-size:10.5px;font-weight:600;opacity:.85;direction:rtl}
.l-detail{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between;margin-top:12px;padding:12px 14px;border-radius:14px;background:var(--bg);border:1px dashed var(--line)}
.l-detail:empty{display:none}
.l-detail span{font-size:14.5px}
@media (max-width:560px){.l-unit{grid-template-columns:1fr}.l-unit > b{padding-top:0}}

.l-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:14px 0}
.l-card{display:flex;flex-direction:column;gap:6px;border-radius:20px;padding:18px;color:#fff;background:linear-gradient(135deg,var(--teal),#164D47)}
.l-card.place{background:linear-gradient(135deg,#4A7BD0,#2C4F91)}
.l-card.done{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.l-card h3{margin:0;font-family:var(--head);font-size:18px}
.l-card p{margin:0;font-size:14.5px;opacity:.92;line-height:1.7}
.l-card .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.l-card .btn{background:#fff;color:var(--teal)}
.l-card.place .btn{color:#2C4F91}
.l-card.done .btn{background:var(--brand);color:#fff}
.l-card .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.l-card.done .btn.ghost{color:var(--brand);border-color:var(--brand)}
.l-chips{display:flex;flex-wrap:wrap;gap:6px}
.l-chips button{font:inherit;font-size:13px;font-weight:600;border:1px solid rgba(255,255,255,.6);background:rgba(255,255,255,.12);color:#fff;border-radius:999px;padding:4px 12px;cursor:pointer}

.l-mine{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-bottom:6px}
.l-mine a{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:inherit;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px}
.l-mine a:hover{border-color:var(--brand)}
.l-mine .t{display:flex;justify-content:space-between;gap:8px;font-weight:700}
.l-mine .t b{font-family:var(--head);color:var(--brand)}
.l-mine small{color:var(--muted);font-size:12.5px}
.l-badge{align-self:flex-start;font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px;background:var(--brand-soft);color:var(--brand)}

/* placement test */
.l-progress{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin:10px 0 0}
.l-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--brand));transition:width .3s}
.l-pq-acts{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin-top:18px}
.l-intro{background:var(--teal-soft);color:var(--teal);border-radius:14px;padding:12px 14px;font-size:14.5px;font-weight:600;margin:0 0 12px;line-height:1.7}
.l-res{display:grid;gap:10px}
.l-ures{display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 16px}
.l-ures small{grid-column:1/-1;color:var(--muted);font-size:13px}
.l-meter{display:flex;gap:4px}
.l-meter i{width:26px;height:10px;border-radius:999px;background:var(--line)}
.l-meter i.on{background:var(--teal)}
.l-steps{display:grid;gap:10px;counter-reset:step}
.l-step{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.l-step:first-child{border:2px solid var(--brand);box-shadow:0 10px 26px rgba(162,62,87,.12)}
.l-step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-family:var(--head);font-weight:800}
.l-step b{display:block}
.l-step small{color:var(--muted);font-size:13.5px}
.l-step .msg{grid-column:1/-1}
@media (max-width:560px){.l-step{grid-template-columns:auto 1fr}.l-step > .btn{grid-column:1/-1}}

/* «خطة المراجعة قبل الامتحان» */
.l-plan{background:var(--surface);border:1px solid var(--line);border-inline-start:5px solid var(--brand);border-radius:20px;padding:18px;margin:14px 0}
.l-plan h3{margin:0;font-family:var(--head);font-size:19px}
.l-plan h4{margin:14px 0 8px;font-size:15px}
.l-plan > .x-hint{margin:6px 0 10px}
.l-plan .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.l-plan-h{display:flex;justify-content:space-between;align-items:center;gap:12px}
.l-plan-h p{margin:2px 0 0;color:var(--muted);font-size:14px}
.l-count{display:grid;place-items:center;min-width:72px;padding:8px 12px;border-radius:16px;background:var(--brand);color:#fff;line-height:1.1}
.l-count b{font-family:var(--head);font-size:30px}.l-count small{font-size:12px;opacity:.9}
.l-note{margin:10px 0 0;padding:8px 12px;border-radius:12px;background:var(--lv-fam);color:var(--lv-fam-ink);font-size:14px;font-weight:600}
.l-note.ok{background:var(--lv-pro);color:var(--lv-pro-ink)}
.l-tasks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.l-tasks li{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
.l-tasks li span{flex:1;font-size:15px}
.l-tasks li.done span{color:var(--muted);text-decoration:line-through}
.l-tick{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--teal);background:transparent;color:#fff;font-weight:800;cursor:pointer;display:grid;place-items:center}
.l-tick.on{background:var(--teal)}
.l-upcoming{margin-top:12px}
.l-upcoming summary{cursor:pointer;font-weight:700;color:var(--brand)}
.l-upcoming ol{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}
.l-upcoming li{display:grid;grid-template-columns:minmax(0,170px) 1fr;gap:4px 10px;padding:8px 10px;border-radius:12px;background:var(--bg);font-size:14px}
.l-upcoming li small{grid-column:2;color:var(--muted);font-size:12.5px}
.l-upcoming li.k-model{background:var(--brand-soft)}.l-upcoming li.k-light{background:var(--lv-pro)}
.l-planform{display:grid;gap:10px;max-width:520px}
.l-planform input[type=date]{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.l-planform summary{cursor:pointer;font-size:14px;color:var(--muted)}
.l-unitpicks{display:grid;gap:6px;margin-top:8px}
.l-unitpick{display:flex;gap:8px;align-items:center;font-size:14px}
.l-planrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;text-decoration:none;color:inherit;background:var(--surface);border:1px solid var(--line);border-inline-start:5px solid var(--brand);border-radius:16px;padding:12px 16px;margin:0 0 10px}
.l-planrow span{flex:1;color:var(--muted);font-size:14px}.l-planrow i{font-style:normal;color:var(--brand);font-weight:800}
@media (max-width:560px){.l-upcoming li{grid-template-columns:1fr}.l-upcoming li small{grid-column:1}}