/* ---------- Course player ---------- */
.watch{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;padding:26px 0 20px;align-items:start}
.watch-title{font-size:clamp(24px,3.4vw,32px);font-weight:800}
.watch-meta{display:flex;flex-wrap:wrap;gap:6px 16px;color:var(--muted);font-size:14px;margin:6px 0 18px}
.watch-meta span{display:inline-flex;align-items:center;gap:6px}

.player{position:relative;width:100%;aspect-ratio:16/9;background:#050b16;border-radius:24px;overflow:hidden;user-select:none;-webkit-user-select:none;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.player video,.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.player-empty{position:absolute;inset:0;display:grid;place-items:center;color:#9fb3cf;font-size:15px;text-align:center;padding:20px}
.wm-tile{position:absolute;inset:0;pointer-events:none;z-index:5;background-repeat:repeat;opacity:.9}
.wm-move{position:absolute;z-index:6;pointer-events:none;color:rgba(255, 255, 255, 0.25);font-size:14px;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.6);transition:top 1.2s ease,left 1.2s ease;white-space:nowrap}
.lesson-now{margin-top:16px;font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--ink)}

.files{margin-top:22px;padding:20px}
.files h3,.lectures h3{font-size:19px}
.hint{font-size:13px;color:var(--muted);margin:2px 0 14px}
.file{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:16px;margin-bottom:9px;background:var(--surface-2)}
.file .ic{flex:none;width:40px;height:40px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary)}
.file .fn{flex:1;min-width:0;font-weight:600;font-size:14px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.lectures{position:sticky;top:92px;padding:18px;max-height:calc(100vh - 110px);overflow:auto}
.lectures h3{margin-bottom:12px}
.lec{display:flex;align-items:center;gap:11px;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:16px;margin-bottom:8px;cursor:pointer;background:var(--surface);text-align:start;transition:border-color .2s,background-color .2s}
.lec:hover{border-color:color-mix(in srgb,var(--primary) 45%,var(--line))}
.lec.active{border-color:var(--primary);background:var(--primary-softer)}
.lec .n{flex:none;width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:700;font-size:13px}
.lec.active .n{background:var(--primary);color:var(--on-primary)}
.lec .lt{flex:1;min-width:0;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.lec .ld{display:block;font-size:12px;color:var(--muted);font-weight:500}
@media (max-width:900px){
  .watch{grid-template-columns:1fr}
  .lectures{position:static;max-height:none}
}

/* progress + lesson actions */
.lesson-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:16px}
.lesson-bar .lesson-now{margin-top:0}
.lesson-actions{display:flex;gap:8px;flex-wrap:wrap}
.prog{margin-bottom:14px}
.prog-top{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--muted);margin-bottom:6px}
.prog-top b{font-family:var(--font-display);font-size:18px;color:var(--primary)}
.prog-bar,.mini-bar{height:9px;border-radius:999px;background:var(--surface-3);overflow:hidden}
.prog-bar span,.mini-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),color-mix(in srgb,var(--primary) 60%,#8fe3c0));transition:width .5s cubic-bezier(.2,.7,.3,1)}
.prog-done{margin-top:10px;font-size:13px;font-weight:600;color:var(--success);background:var(--success-soft);padding:8px 12px;border-radius:12px;text-align:center}
.lec .n svg{display:none;width:15px;height:15px}
.lec.done .n{background:var(--success);color:#fff}
.lec.done .n .num{display:none}
.lec.done .n svg{display:block}
.lec.done.active .n{background:var(--success)}
/* rating */
.rate-card{margin-top:18px;padding:20px}
.rate-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.rate-head h3{font-size:19px}
.rate-avg{display:flex;align-items:center;gap:5px;color:var(--accent-ink);font-size:15px}
[data-theme="dark"] .rate-avg{color:var(--accent)}
.rate-stars{display:flex;gap:6px;margin-top:4px}
.star{width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);color:var(--line-strong);display:grid;place-items:center;cursor:pointer;transition:transform .15s,color .15s,background-color .15s}
.star svg{width:24px;height:24px}
.star:hover{transform:scale(1.08)}
.star.on,.star.hover{color:#f5a524;background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}

/* ملء الشاشة لحاوية المشغّل كاملة — العلامة المائية تبقى فوق الفيديو */
.fs-btn{position:absolute;z-index:7;top:12px;left:12px;width:40px;height:40px;border-radius:12px;border:0;cursor:pointer;display:grid;place-items:center;color:#fff;background:rgba(5,11,22,.55);backdrop-filter:blur(4px);opacity:.85;transition:opacity .2s}
.fs-btn:hover,.fs-btn:focus-visible{opacity:1}
.player:fullscreen,.player:-webkit-full-screen{border-radius:0;border:0;aspect-ratio:auto;width:100%;height:100%}
.player.pseudo-fs{position:fixed;inset:0;z-index:9999;width:100vw;height:100vh;height:100dvh;aspect-ratio:auto;border-radius:0;border:0;margin:0}
html.fs-lock,html.fs-lock body{overflow:hidden}
.player:fullscreen .wm-move,.player.pseudo-fs .wm-move{font-size:20px}

/* دروس/ملفات ضمن جزء لم يشترك فيه الطالب */
.player-locked{align-content:center;justify-items:center;gap:12px}
.player-locked svg{width:34px;height:34px}
.lec.locked .lt{opacity:.7}
.lec.locked .ld{display:flex;align-items:center;gap:4px;color:var(--muted)}
.lec.locked .ld svg{width:13px;height:13px;flex:none}
.file.locked{opacity:.85}

/* أقسام المحتوى حسب الامتحانات (عام / الفيرست / السكند / الفاينل …) */
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:14px 0 8px;padding:8px 12px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:14px}
#lecs .sec-head:first-child,#files .sec-head:first-child{margin-top:0}
.sec-head .sec-t{display:flex;align-items:center;gap:6px}
.sec-head .sec-t svg{width:14px;height:14px;flex:none}
.sec-head .sec-n{font-size:12px;font-weight:600;opacity:.8}
.sec-head.locked{background:var(--surface-2);color:var(--muted);border:1px dashed var(--line)}