/* ═══════════ لوحة المعلمة — منهج فصيح ═══════════ */
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Tahoma,Arial,sans-serif;background:#eef6ff;color:#1e293b;line-height:1.6}
a{color:#0369a1;text-decoration:none}
code{background:#f1f5f9;padding:.1em .4em;border-radius:6px;font-size:.95em}
.muted{color:#64748b}
.wrap{max-width:1100px;margin:0 auto;padding:1.25rem}

/* auth */
body.auth{display:grid;place-items:center;min-height:100vh;background:linear-gradient(160deg,#dbeafe,#d1fae5)}
body.auth .card{width:min(440px,94vw)}
body.auth h1{margin:0 0 .25rem;color:#047857}
body.auth h2{font-size:1rem;color:#0369a1;margin:1.2rem 0 .4rem;border-bottom:2px dashed #e2e8f0;padding-bottom:.25rem}

/* cards */
.card{background:#fff;border:2px solid #e2e8f0;border-radius:22px;padding:1.25rem;box-shadow:0 8px 24px rgba(2,6,23,.06);margin-bottom:1.25rem}
.card h2{margin:0 0 .9rem;font-size:1.15rem;color:#047857}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1.25rem;background:#fff;border-bottom:3px solid #a7f3d0;position:sticky;top:0;z-index:10}
.brand{font-weight:800;font-size:1.15rem;color:#047857}
.top nav{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.chip{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;border-radius:999px;padding:.25rem .8rem;font-weight:700;font-size:.9rem}

/* buttons */
.btn{display:inline-block;background:#10b981;color:#fff;border:0;border-radius:999px;padding:.6rem 1.3rem;font-weight:800;cursor:pointer;font-size:1rem;box-shadow:0 4px 0 #059669}
.btn:hover{background:#059669}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 #059669}
.btn.ghost{background:#fff;color:#0f172a;border:2px solid #e2e8f0;box-shadow:none}
.btn.ghost:hover{background:#f8fafc}
.btn.danger{color:#dc2626;border-color:#fecaca}
.mini{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:.25rem .5rem;cursor:pointer;font-size:1rem;display:inline-block}
.mini:hover{background:#e0f2fe}
.mini.danger:hover{background:#fee2e2}
form.inline{display:inline}

/* forms */
.form label,body.auth label{display:block;font-weight:700;font-size:.9rem;margin:.6rem 0 .2rem;color:#334155}
.form input,.form select,.form textarea,body.auth input{width:100%;border:2px solid #e2e8f0;border-radius:12px;padding:.55rem .8rem;font-size:1rem;font-family:inherit;background:#fff}
.form input:focus,body.auth input:focus{outline:0;border-color:#34d399;box-shadow:0 0 0 4px #d1fae5}
.form .row{display:flex;gap:.75rem;align-items:flex-end;flex-wrap:wrap}
.form .row label{flex:1;min-width:110px}
.form .row .btn{margin-top:.6rem}
.hint{margin-top:1rem;background:#fffbeb;border:1px dashed #fcd34d;border-radius:14px;padding:.7rem .9rem;font-size:.9rem;color:#92400e}

/* alerts */
.alert{border-radius:14px;padding:.7rem 1rem;margin:.75rem 0;font-weight:700}
.alert.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert.bad{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert.warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:1.25rem}
.stat{background:#fff;border:2px solid #e2e8f0;border-radius:18px;padding:.9rem;text-align:center}
.stat b{display:block;font-size:2rem;color:#0369a1;line-height:1.1}
.stat b small{font-size:1rem;color:#94a3b8}
.stat span{font-size:.85rem;color:#64748b}

.grid2{display:grid;grid-template-columns:minmax(280px,1fr) 2fr;gap:1.25rem;align-items:start}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl th{text-align:right;font-size:.8rem;color:#64748b;border-bottom:2px solid #e2e8f0;padding:.5rem .4rem}
.tbl td{padding:.6rem .4rem;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.tbl tr.off td{opacity:.5}
.tbl .acts{white-space:nowrap;text-align:left}
.stu{display:flex;align-items:center;gap:.5rem;color:inherit}
.stu small{display:block;color:#94a3b8;font-size:.75rem}
.av{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#fef3c7;font-size:1.3rem}
.av.big{width:72px;height:72px;font-size:2.4rem}
.pin{background:#fef3c7;color:#92400e;font-weight:800;letter-spacing:.15em;padding:.15rem .5rem}
.bar{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;min-width:80px}
.bar span{display:block;height:100%;background:linear-gradient(90deg,#34d399,#10b981)}
.bar.low span{background:linear-gradient(90deg,#fbbf24,#f59e0b)}
.ok-c{color:#059669;font-weight:800}.bad-c{color:#dc2626;font-weight:800}

/* profile */
.profile{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.profile h1{margin:0;font-size:1.5rem;color:#0f172a}
.profile .note{background:#f8fafc;border-radius:10px;padding:.4rem .7rem;font-size:.9rem;margin:.4rem 0 0}
.profile-acts{margin-inline-start:auto;display:flex;gap:.5rem;flex-wrap:wrap}

/* letters grid */
.letters{display:flex;flex-wrap:wrap;gap:.4rem}
.lt{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#f1f5f9;color:#94a3b8;font-size:1.4rem;font-weight:800;border:2px solid #e2e8f0}
.lt.on{background:#d1fae5;color:#047857;border-color:#6ee7b7}

/* timeline */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:flex;gap:.6rem;align-items:center;padding:.4rem 0;border-bottom:1px dashed #f1f5f9;font-size:.92rem;flex-wrap:wrap}
.timeline .when{color:#94a3b8;font-variant-numeric:tabular-nums;min-width:80px;font-size:.8rem}
.ev{border-radius:999px;padding:.05rem .55rem;font-size:.78rem;font-weight:700;background:#f1f5f9}
.ev.complete{background:#fef3c7;color:#92400e}.ev.correct{background:#d1fae5;color:#047857}.ev.wrong{background:#fee2e2;color:#991b1b}.ev.open{background:#e0f2fe;color:#075985}