:root{--azul:#1646d8;--azul2:#0ea5e9;--verde:#16a34a;--naranja:#f97316;--violeta:#7c3aed;--fondo:#eef6ff;--tinta:#172033;--muted:#64748b;--card:#fff;--borde:#d9e4f2;--danger:#e11d48}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(135deg,#eef6ff,#f8fbff 48%,#fff7ed);color:var(--tinta)}a{color:var(--azul);text-decoration:none}.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px clamp(14px,4vw,44px);background:rgba(255,255,255,.92);border-bottom:1px solid var(--borde);box-shadow:0 6px 24px rgba(15,23,42,.07);backdrop-filter:blur(8px)}.brand{display:flex;align-items:center;gap:10px;color:var(--tinta);font-weight:900}.brand span{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--azul),var(--violeta));color:white;font-size:20px}.brand small{display:block;color:var(--muted);font-weight:700}.top nav{display:flex;gap:10px;flex-wrap:wrap}.top nav a,.btn{display:inline-block;border:0;border-radius:14px;background:var(--azul);color:#fff;padding:10px 14px;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(22,70,216,.18)}.top nav a:first-child{background:#fff;color:var(--azul);border:1px solid var(--borde)}.wrap{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:30px 0 60px}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center;padding:34px;border:1px solid var(--borde);border-radius:32px;background:rgba(255,255,255,.84);box-shadow:0 18px 60px rgba(15,23,42,.09)}h1{font-size:clamp(34px,6vw,66px);line-height:.95;margin:0 0 16px;color:#0f172a}h2{margin:0 0 18px;font-size:clamp(24px,3vw,38px)}h3{margin:0 0 10px}.lead{font-size:20px;line-height:1.5;color:#475569}.panel,.card{background:rgba(255,255,255,.92);border:1px solid var(--borde);border-radius:24px;padding:22px;box-shadow:0 14px 38px rgba(15,23,42,.07);margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:18px 0}.metric{background:#fff;border:1px solid var(--borde);border-radius:20px;padding:18px}.metric strong{display:block;font-size:34px;color:var(--azul)}.metric span{font-weight:900}.metric small{display:block;color:var(--muted);margin-top:6px}.login{max-width:440px;margin:0 auto}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-weight:900}.field input,.field select,.field textarea{width:100%;border:1px solid var(--borde);border-radius:14px;padding:12px;font-size:16px;background:#fff}.field textarea{min-height:88px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid #eef2f7}.table th{background:#f1f5f9;color:#334155}.badge{display:inline-block;border-radius:999px;padding:5px 9px;background:#e0f2fe;color:#075985;font-weight:900;font-size:12px}.role-superadmin{background:#ede9fe;color:#5b21b6}.role-director{background:#dcfce7;color:#166534}.role-docente{background:#ffedd5;color:#9a3412}.role-alumno{background:#dbeafe;color:#1e40af}.ok,.err{padding:12px 14px;border-radius:16px;margin-bottom:14px;font-weight:800}.ok{background:#dcfce7;color:#166534}.err{background:#ffe4e6;color:#9f1239}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.tabs a{background:#fff;border:1px solid var(--borde);padding:9px 12px;border-radius:999px;font-weight:800}.printbox{background:white;color:#111;border:1px solid #ddd;padding:28px;border-radius:10px}.sign{display:flex;justify-content:space-around;margin-top:50px}.sign span{border-top:1px solid #111;padding-top:8px;min-width:180px;text-align:center}.foot{text-align:center;color:#64748b;padding:28px}.actions{display:flex;gap:8px;flex-wrap:wrap}.secondary{background:#fff!important;color:var(--azul)!important;border:1px solid var(--borde)!important}.danger{background:var(--danger)!important}@media(max-width:760px){.hero{grid-template-columns:1fr;padding:22px}.top{align-items:flex-start}.brand small{display:none}.table{font-size:13px}.wrap{width:min(100% - 16px,1180px)}}@media print{.top,.foot,.no-print,.tabs{display:none!important}.wrap{width:100%;padding:0}.panel{box-shadow:none;border:0}.printbox{border:0}.btn{display:none}}


/* Dashboard con menú lateral */
.dash-shell{display:grid;grid-template-columns:280px 1fr;gap:18px;align-items:start}.side{position:sticky;top:92px;background:rgba(255,255,255,.94);border:1px solid var(--borde);border-radius:26px;padding:16px;box-shadow:0 14px 38px rgba(15,23,42,.08)}.side-head{padding:12px 12px 16px;border-bottom:1px solid #e5edf7;margin-bottom:12px}.side-head strong{display:block;font-size:20px;color:#0f172a}.side-head small{display:block;color:var(--muted);font-weight:800;margin-top:4px}.side-link{display:flex;align-items:center;gap:10px;padding:12px 13px;border-radius:16px;color:#24324a;font-weight:900;margin:4px 0;border:1px solid transparent}.side-link span{width:25px;text-align:center}.side-link:hover{background:#eef6ff;border-color:#dbeafe}.side-link.active{background:linear-gradient(135deg,var(--azul),var(--violeta));color:#fff;box-shadow:0 10px 24px rgba(22,70,216,.22)}.dash-main{min-width:0}.dash-title h1{font-size:clamp(30px,4vw,48px);margin-top:8px}.dash-title .lead{font-size:17px;margin-bottom:0}.dash-main .grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.dash-main .panel{margin-bottom:18px}.dash-main form .grid{align-items:end}.table{font-size:15px}.table td,.table th{vertical-align:top}.role-superadmin,.role-director,.role-docente,.role-alumno{text-transform:uppercase;letter-spacing:.03em}@media(max-width:900px){.dash-shell{grid-template-columns:1fr}.side{position:relative;top:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.side-head{grid-column:1/-1}.side-link{margin:0}.dash-title h1{font-size:32px}}@media(max-width:540px){.side{grid-template-columns:1fr}.wrap{width:min(100% - 14px,1180px);padding-top:16px}.panel,.card{padding:16px;border-radius:18px}}

.manual-hero h1{font-size:clamp(34px,5vw,58px)}.manual-section p,.manual-section li{font-size:17px;line-height:1.65;color:#334155}.manual-section ul,.manual-section ol{padding-left:24px}.steps li{margin-bottom:10px}.secondary{background:#fff!important;color:var(--azul)!important;border:1px solid var(--borde)!important}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:16px 0}.manual-section{break-inside:avoid}@media print{.top,.actions{display:none!important}body{background:#fff}.wrap{width:100%;padding:0}.panel,.card{box-shadow:none;border:1px solid #ccd;margin-bottom:12px}h1{font-size:34px}h2{font-size:24px}}


/* Formato oscuro accesible */
.theme-toggle{display:inline-block;border:1px solid var(--borde);border-radius:14px;background:#fff;color:var(--azul);padding:10px 14px;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(22,70,216,.12)}
.muted{color:var(--muted);font-size:14px;line-height:1.45}
html[data-theme="dark"]{--fondo:#0f172a;--tinta:#e5edf7;--muted:#a8b3c7;--card:#172033;--borde:#334155;--azul:#60a5fa;--azul2:#38bdf8;--violeta:#a78bfa;--verde:#4ade80;--naranja:#fb923c;--danger:#fb7185;color-scheme:dark}
html[data-theme="dark"] body{background:linear-gradient(135deg,#08111f,#0f172a 45%,#1e1b4b);color:var(--tinta)}
html[data-theme="dark"] h1,html[data-theme="dark"] h2,html[data-theme="dark"] h3,html[data-theme="dark"] .brand,html[data-theme="dark"] .side-head strong{color:#f8fafc}
html[data-theme="dark"] .lead,html[data-theme="dark"] .manual-section p,html[data-theme="dark"] .manual-section li{color:#cbd5e1}
html[data-theme="dark"] .top,html[data-theme="dark"] .panel,html[data-theme="dark"] .card,html[data-theme="dark"] .hero,html[data-theme="dark"] .side,html[data-theme="dark"] .metric{background:rgba(15,23,42,.92);border-color:#334155;box-shadow:0 16px 44px rgba(0,0,0,.28)}
html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#0b1220;color:#f8fafc;border-color:#475569}
html[data-theme="dark"] .table th{background:#1e293b;color:#e2e8f0}html[data-theme="dark"] .table td{border-color:#334155;color:#e2e8f0}
html[data-theme="dark"] .side-link{color:#e2e8f0}html[data-theme="dark"] .side-link:hover{background:#1e293b;border-color:#475569}
html[data-theme="dark"] .top nav a:first-child,html[data-theme="dark"] .secondary,html[data-theme="dark"] .theme-toggle{background:#111827!important;color:#bfdbfe!important;border-color:#475569!important}
html[data-theme="dark"] .ok{background:#052e1a;color:#bbf7d0;border-color:#166534}html[data-theme="dark"] .err{background:#3b0a17;color:#fecdd3;border-color:#be123c}

html[data-theme="dark"] .table,html[data-theme="dark"] .table tr,html[data-theme="dark"] .table td{background:#0f172a!important;color:#e5edf7!important}html[data-theme="dark"] .table tr:nth-child(even) td{background:#111c2f!important}html[data-theme="dark"] .table th{background:#1e293b!important;color:#f8fafc!important}