:root{--navy:#17324d;--navy2:#28506f;--blue:#2563eb;--bg:#f4f7fb;--card:#fff;
--text:#172033;--muted:#68758a;--line:#e5eaf1;
--green:#16a34a;--yellow:#eab308;--orange:#f97316;--red:#dc2626;
--green-bg:#dcfce7;--yellow-bg:#fef9c3;--orange-bg:#ffedd5;--red-bg:#fee2e2;--blue-bg:#dbeafe}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
.app{display:flex;min-height:100vh}
.sidebar{width:248px;background:var(--navy);color:#fff;padding:18px 12px;position:fixed;inset:0 auto 0 0;overflow-y:auto}
.brand{font-size:21px;font-weight:800;padding:6px 12px 4px}
.brand span{color:#60a5fa}
.school{font-size:11px;color:#b8c7d9;padding:0 12px 16px;line-height:1.5;border-bottom:1px solid #2b4a68;margin-bottom:12px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav a{color:#dbe7f3;text-decoration:none;padding:10px 12px;border-radius:8px;font-size:13px;transition:.15s}
.nav a:hover{background:var(--navy2)}
.nav a.active{background:var(--navy2);color:#fff;font-weight:600;box-shadow:inset 3px 0 0 #60a5fa}
.nav .group{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#7d97b3;padding:14px 12px 5px;font-weight:700}
.main{margin-left:248px;flex:1;min-width:0}
.top{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:50}
.top .title{font-weight:700;font-size:15px}
.top .right{display:flex;align-items:center;gap:12px;font-size:13px}
.ctrl{border:1px solid var(--line);padding:7px 10px;border-radius:7px;background:#fff;font-size:13px}
.content{padding:24px 28px 60px;max-width:1500px}
.h1{font-size:23px;font-weight:800;margin-bottom:4px}
.sub{color:var(--muted);font-size:13px;margin-bottom:20px}
.grid{display:grid;gap:15px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:17px;box-shadow:0 1px 2px rgba(20,35,55,.04)}
.mt{margin-top:15px}
.section-title{font-size:14px;font-weight:800;margin-bottom:13px;display:flex;justify-content:space-between;align-items:center}
.muted{color:var(--muted)}
.kpi .label{color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.kpi .value{font-size:29px;font-weight:800;margin:6px 0 3px;line-height:1}
.kpi .delta{font-size:11.5px;color:var(--muted)}
.green{color:var(--green)}.red{color:var(--red)}.orange{color:var(--orange)}.blue{color:var(--blue)}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{color:var(--muted);font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:700;white-space:nowrap}
tbody tr:hover{background:#fafcff}
tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:3px 9px;border-radius:99px;font-size:10.5px;font-weight:700;white-space:nowrap}
.pgreen{background:var(--green-bg);color:#166534}
.pyellow{background:var(--yellow-bg);color:#854d0e}
.porange{background:var(--orange-bg);color:#9a3412}
.pred{background:var(--red-bg);color:#991b1b}
.pblue{background:var(--blue-bg);color:#1d4ed8}
.bar{height:9px;background:#edf1f6;border-radius:9px;overflow:hidden;margin:5px 0 12px}
.bar>i{display:block;height:100%;border-radius:9px;background:var(--blue);transition:width .4s}
.bar.g>i{background:var(--green)}.bar.y>i{background:var(--yellow)}.bar.o>i{background:var(--orange)}.bar.r>i{background:var(--red)}
.btn{display:inline-block;border:0;border-radius:7px;padding:8px 13px;font-weight:700;font-size:12px;cursor:pointer;background:var(--blue);color:#fff;text-decoration:none;font-family:inherit;transition:.15s}
.btn:hover{filter:brightness(1.08)}
.btn.secondary{background:#eef2f7;color:#334155}
.btn.success{background:var(--green)}
.btn.danger{background:var(--red)}
.btn.sm{padding:5px 9px;font-size:11px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.field label{display:block;font-size:11.5px;font-weight:700;margin-bottom:5px;color:#33415c}
.field.full{grid-column:1/-1}
.input{width:100%;border:1px solid #d9e0ea;border-radius:7px;padding:9px;font-size:13px;background:#fff;color:var(--text);font-family:inherit}
.stepper{display:flex;margin:16px 0;border-radius:8px;overflow:hidden}
.step{flex:1;padding:9px 5px;background:#edf2f7;border-right:1px solid #fff;text-align:center;font-size:10.5px;font-weight:700;color:#64748b;line-height:1.35}
.step:last-child{border-right:0}
.step.done{background:var(--green-bg);color:#166534}
.step.current{background:var(--blue-bg);color:#1d4ed8;box-shadow:inset 0 -3px 0 var(--blue)}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.cal .dow{font-size:10px;font-weight:700;color:var(--muted);text-align:center;padding:5px 0;text-transform:uppercase}
.day{background:#fff;border:1px solid var(--line);min-height:62px;padding:6px;font-size:10px;border-radius:6px}
.day .n{font-weight:700;font-size:12px}
.day.holiday{background:#fff1f2;border-color:#fecdd3}
.day.exam{background:#eff6ff;border-color:#bfdbfe}
.day.off{background:#f8fafc;color:#cbd5e1}
.legend{display:flex;gap:16px;font-size:11px;color:var(--muted);margin:10px 0 12px;flex-wrap:wrap}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:5px;vertical-align:-1px}
.score{width:118px;height:118px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}
.score:after{content:attr(data-score);width:88px;height:88px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:24px;font-weight:800;color:var(--text)}
#toast{position:fixed;bottom:24px;right:24px;background:#0f172a;color:#fff;padding:13px 18px;border-radius:9px;font-size:13px;opacity:0;transform:translateY(12px);transition:.25s;pointer-events:none;z-index:200;max-width:340px}
#toast.show{opacity:1;transform:none}
.empty{padding:26px;text-align:center;color:var(--muted);font-size:13px}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal.show{display:flex}
.modalbox{background:#fff;width:min(660px,94vw);border-radius:12px;padding:24px;max-height:88vh;overflow-y:auto;position:relative}
@media(max-width:1100px){.g4,.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.sidebar{width:64px;padding:16px 6px}.brand,.school,.nav .group{display:none}.nav a{text-align:center;padding:11px 4px;font-size:16px}.main{margin-left:64px}.g2,.g3,.g4,.formgrid{grid-template-columns:1fr}.content{padding:18px 14px 50px}}