:root{
  --bg:#eef3f8;--card:#fff;--ink:#172033;--muted:#6b778c;--line:#d9e2ec;
  --navy:#203854;--navy2:#315b86;--accent:#2563eb;--danger:#b42332;
  --shadow:0 12px 32px rgba(31,56,84,.10)
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#eaf0f7 0,#f7f9fc 240px,#eef3f8 100%);color:var(--ink)}
button,input,textarea,select{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}
.app{width:min(1600px,calc(100% - 28px));margin:22px auto 48px}.app.narrow{max-width:760px}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;border-radius:18px;padding:20px 22px;background:#fff;box-shadow:var(--shadow);margin-bottom:18px}
.page-header.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
.page-header h1{margin:0 0 4px;font-size:clamp(26px,4vw,42px)}.page-header p{margin:0;opacity:.82}
.header-actions,.week-nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.header-actions form{margin:0}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:800;background:#fff;color:var(--navy);box-shadow:0 2px 7px rgba(0,0,0,.08)}
.btn.primary{background:var(--accent);color:#fff}.btn.soft{background:rgba(255,255,255,.13);color:#fff;border:1px solid rgba(255,255,255,.2);box-shadow:none}.btn.danger{background:#fff0f1;color:var(--danger)}
.btn:disabled{opacity:.4;cursor:not-allowed}.wide{width:100%}
.user-chip{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 11px;font-size:12px;font-weight:800}
.controls{margin:18px 0;background:#fff;border:1px solid #e4eaf1;border-radius:16px;box-shadow:var(--shadow);padding:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.week-title{font-weight:850;font-size:18px;min-width:250px;text-align:center}.jump{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800}.jump input{border:1px solid var(--line);border-radius:9px;padding:8px 10px}
.table-shell{background:#fff;border:1px solid #e1e8f0;border-radius:18px;box-shadow:var(--shadow);overflow:auto}
table{border-collapse:separate;border-spacing:0;width:100%;min-width:1180px;table-layout:fixed}
thead th{position:sticky;top:0;z-index:4;background:var(--navy);color:#fff;padding:12px 10px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
thead th:first-child{width:60px}thead th:nth-child(2){width:130px}.day-name{font-size:14px;font-weight:850}.day-date{font-size:12px;opacity:.8;margin-top:3px}
.today-head{background:#163f6c!important}
tbody td{border-top:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top;padding:8px;background:#fff}.nr,.time{background:#f8fafc;text-align:center;vertical-align:middle!important;color:#475569;font-weight:850}.time{font-size:13px}.empty{background:#fafcff;color:#c2cad4;text-align:center;vertical-align:middle!important}
.lesson{min-height:82px;border-radius:10px;padding:9px;border-left:5px solid transparent;position:relative}.subject{font-weight:850;font-size:14px}.meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.pill{display:inline-flex;border-radius:999px;padding:3px 7px;font-size:11px;background:rgba(255,255,255,.72);border:1px solid rgba(23,32,51,.08);color:#506078}
.add-task{margin-top:8px;border:1px dashed rgba(23,32,51,.25);background:rgba(255,255,255,.62);color:#34455e;border-radius:8px;padding:6px 8px;font-size:11px;font-weight:850;width:100%}
.task-chip{margin-top:7px;border-radius:8px;padding:7px 8px;background:rgba(255,255,255,.86);border:1px solid rgba(23,32,51,.10);font-size:11px;line-height:1.35}.task-chip.done{opacity:.56;text-decoration:line-through}.task-chip.due{outline:2px solid rgba(180,35,50,.15)}.task-top{display:flex;justify-content:space-between;gap:8px}.mini-actions{display:flex;gap:4px;margin-top:6px}.mini{border:0;border-radius:6px;padding:4px 6px;font-size:10px;font-weight:850;background:#edf2f7;color:#40546d}.mini.delete{background:#fff0f1;color:var(--danger)}
.today-cell{box-shadow:inset 0 0 0 2px rgba(37,99,235,.24)}
.liter{background:#f2ecff;border-left-color:#8b5cf6}.english{background:#eaf3ff;border-left-color:#3b82f6}.math{background:#ebfaef;border-left-color:#22c55e}.chem{background:#fff7df;border-left-color:#eab308}.bio{background:#e9fbf6;border-left-color:#14b8a6}.tok{background:#fff0e5;border-left-color:#f97316}.wych{background:#eef2f6;border-left-color:#64748b}.geo{background:#fff5cc;border-left-color:#d4a72c}.religia{background:#fdeaf3;border-left-color:#ec4899}
.bottom-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px;margin-top:18px}.panel{background:#fff;border:1px solid #e1e8f0;border-radius:16px;box-shadow:var(--shadow);padding:16px}.panel h2{margin:0 0 12px;font-size:18px}.note,.muted{font-size:13px;color:var(--muted);line-height:1.55}
.upcoming-item{display:grid;grid-template-columns:105px 1fr auto;gap:10px;align-items:center;padding:10px;border:1px solid #e3e9f0;border-radius:10px;background:#fbfcfe;margin:8px 0}.upcoming-date{font-weight:850;font-size:12px}.upcoming-title{font-size:13px;font-weight:800}.upcoming-sub{font-size:11px;color:var(--muted);margin-top:2px}.empty-list{color:var(--muted);font-size:13px;padding:10px 0}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.46);display:none;align-items:center;justify-content:center;padding:18px;z-index:20}.modal.open{display:flex}.dialog{width:min(560px,100%);background:#fff;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.25);padding:20px}.dialog h2{margin:0 0 4px}.context{font-size:12px;color:var(--muted);margin-bottom:16px}
label{display:block;font-size:12px;font-weight:850;color:#42536b;margin-bottom:11px}input,textarea,select{width:100%;margin-top:5px;border:1px solid #ced8e4;border-radius:9px;padding:9px 10px;background:#fff;color:var(--ink)}textarea{min-height:90px;resize:vertical}.inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check{display:flex;align-items:center;gap:8px}.check input{width:16px;height:16px;margin:0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.hidden{display:none!important}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:#fff;border:1px solid #e1e8f0;border-radius:20px;box-shadow:var(--shadow);padding:26px}.login-card h1{margin:8px 0 4px}.brand{width:52px;height:52px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;font-size:20px;font-weight:900}.form-stack{display:grid;gap:10px;margin-top:18px}.alert{border-radius:10px;padding:10px 12px;font-size:13px;margin:12px 0}.alert.error{background:#fff1f2;color:#991b1b;border:1px solid #fecdd3}.alert.success{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0}.security-note{font-size:11px;color:var(--muted);margin:16px 0 0}.account-panel{max-width:620px}
@media(max-width:900px){.app{width:calc(100% - 16px);margin-top:10px}.bottom-grid{grid-template-columns:1fr}.week-title{order:-1;width:100%;min-width:0;text-align:left}}
@media print{body{background:#fff}.app{width:100%;margin:0}.header-actions,.controls,.add-task,.mini-actions,.bottom-grid{display:none!important}.page-header{box-shadow:none;border-radius:0}.table-shell{box-shadow:none;border-radius:0}thead th{position:static}}