:root{--bg: #f4f6fb;--panel: #ffffff;--ink: #16213b;--muted: #66708c;--brand: #1c4fd8;--brand2: #0e3aa8;--accent: #0ea5a4;--warn: #d97706;--danger: #dc2626;--ok: #16a34a;--line: #e4e8f2;--chip: #eef2fc;--radius: 12px;--shadow: 0 1px 3px rgba(22,33,59,.07), 0 8px 24px rgba(22,33,59,.06)}*{box-sizing:border-box;margin:0}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}button{font:inherit;cursor:pointer;border:none;border-radius:8px}input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid #b9c9f5;border-color:var(--brand)}.app{display:flex;min-height:100vh}.sidebar{width:232px;background:linear-gradient(180deg,#101c3f,#0d1a3a);color:#cdd6ee;padding:18px 12px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:20}.logo{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;color:#fff}.logo-badge{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#2e5cf6,#0ea5a4);display:grid;place-items:center;font-weight:800;font-size:15px}.logo b{font-size:15px;line-height:1.2;display:block}.logo span{font-size:10.5px;color:#8fa0cc}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;color:#b7c2e2;background:none;width:100%;text-align:left;font-weight:500;margin-bottom:2px}.nav-item:hover{background:#ffffff12;color:#fff}.nav-item.active{background:var(--brand);color:#fff}.nav-item .ico{width:20px;text-align:center}.sidebar .spacer{flex:1}.persona{background:#ffffff0f;border-radius:10px;padding:10px 12px;font-size:12.5px}.persona b{color:#fff;display:block}.persona button{margin-top:8px;background:#ffffff1f;color:#fff;padding:5px 10px;font-size:12px;width:100%}.main{flex:1;margin-left:232px;padding:22px 28px 60px;max-width:1280px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}.topbar h1{font-size:21px;font-weight:700}.topbar .sub{color:var(--muted);font-size:13px;margin-top:2px}.top-actions{display:flex;align-items:center;gap:10px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card h3{font-size:14.5px;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}.grid{display:grid;gap:16px}.cols-4{grid-template-columns:repeat(4,1fr)}.cols-3{grid-template-columns:repeat(3,1fr)}.cols-2{grid-template-columns:repeat(2,1fr)}.stat{display:flex;flex-direction:column;gap:4px}.stat .n{font-size:26px;font-weight:800}.stat .l{color:var(--muted);font-size:12.5px}.stat .d{font-size:11.5px;color:var(--accent);font-weight:600}.btn{background:var(--brand);color:#fff;padding:9px 16px;font-weight:600;border-radius:9px}.btn:hover{background:var(--brand2)}.btn.ghost{background:var(--chip);color:var(--brand)}.btn.danger{background:#fee2e2;color:var(--danger)}.btn.ok{background:#dcfce7;color:var(--ok)}.btn.sm{padding:5px 10px;font-size:12.5px}.btn:disabled{opacity:.5;cursor:default}.chip{display:inline-flex;align-items:center;gap:5px;background:var(--chip);color:var(--brand);border-radius:999px;padding:3px 10px;font-size:11.5px;font-weight:600}.chip.warn{background:#fef3c7;color:var(--warn)}.chip.danger{background:#fee2e2;color:var(--danger)}.chip.ok{background:#dcfce7;color:var(--ok)}.chip.gray{background:#eef0f6;color:var(--muted)}table.tbl{width:100%;border-collapse:collapse;font-size:13px}.tbl th{text-align:left;color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line)}.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:middle}.tbl tr:hover td{background:#f8faff}.tt-wrap{overflow-x:auto}.tt{display:grid;grid-template-columns:52px repeat(10,minmax(96px,1fr));gap:4px;min-width:1060px}.tt .hd{font-size:11px;font-weight:700;color:var(--muted);text-align:center;padding:6px 2px}.tt .hd.wk{color:var(--brand)}.tt .ph{font-size:11px;color:var(--muted);display:grid;place-items:center;font-weight:600}.cell{min-height:54px;border-radius:8px;background:#f2f4fa;border:1px dashed #dde2ef}.lesson{min-height:54px;border-radius:8px;padding:6px 8px;font-size:11.5px;line-height:1.3;cursor:pointer;border:1px solid transparent;position:relative;overflow:hidden}.lesson b{display:block;font-size:12px}.lesson .v{color:#0000008c;font-size:10.5px}.lesson:hover{filter:brightness(.96);border-color:#00000026}.lesson.fixed:after{content:"📌";position:absolute;top:3px;right:5px;font-size:10px}.lesson.conflict{outline:2px solid var(--danger)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0d142d73;display:grid;place-items:center;z-index:50;padding:16px}.modal{background:#fff;border-radius:14px;padding:22px;width:100%;max-width:520px;max-height:88vh;overflow-y:auto;box-shadow:0 24px 64px #00000040}.modal h3{margin-bottom:14px;font-size:16px}.frow{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}.frow label{font-size:12px;font-weight:600;color:var(--muted)}.alert{border-radius:9px;padding:10px 12px;font-size:12.5px;margin-bottom:10px}.alert.err{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert.ok{background:#dcfce7;color:#14532d;border:1px solid #bbf7d0}.alert.info{background:#e0eaff;color:#1e3a8a;border:1px solid #c7d7fe}.bar{height:8px;border-radius:99px;background:#edf0f7;overflow:hidden}.bar>div{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--accent))}.bell{position:relative;background:#fff;border:1px solid var(--line);width:38px;height:38px;border-radius:10px;font-size:16px}.bell .dot{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:10px;min-width:17px;height:17px;border-radius:99px;display:grid;place-items:center;font-weight:700;padding:0 4px}.notif-pop{position:absolute;right:0;top:46px;width:340px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:40;max-height:420px;overflow-y:auto}.notif{padding:11px 14px;border-bottom:1px solid var(--line);font-size:12.5px}.notif b{display:block;font-size:13px}.notif.unread{background:#f2f6ff}.notif time{color:var(--muted);font-size:11px}.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(1200px 600px at 20% -10%,#1c4fd822,transparent),var(--bg);padding:20px}.login-box{max-width:860px;width:100%}.login-box h1{font-size:26px;margin:14px 0 6px}.login-box .sub{color:var(--muted);margin-bottom:24px}.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.persona-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:left;box-shadow:var(--shadow);transition:transform .12s}.persona-card:hover{transform:translateY(-2px);border-color:var(--brand)}.persona-card .avatar{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;margin-bottom:10px}.persona-card b{display:block;font-size:15px}.persona-card span{color:var(--muted);font-size:12.5px}.progress-ring{display:flex;align-items:center;gap:14px;padding:14px;background:#f2f6ff;border-radius:10px;margin-bottom:12px}.spin{width:26px;height:26px;border:3px solid #c7d7fe;border-top-color:var(--brand);border-radius:50%;animation:sp 1s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}.seg{display:inline-flex;background:#e9edf7;border-radius:10px;padding:3px;gap:2px}.seg button{background:none;padding:6px 14px;border-radius:8px;font-weight:600;color:var(--muted);font-size:12.5px}.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px #0000001a}.phone-frame{width:390px;margin:0 auto;background:#0d1a3a;border-radius:38px;padding:12px;box-shadow:0 30px 80px #0d1a3a66}.phone-scr{background:var(--bg);border-radius:28px;overflow:hidden;height:720px;display:flex;flex-direction:column}.phone-hd{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;padding:40px 18px 16px}.phone-body{flex:1;overflow-y:auto;padding:14px}.phone-nav{display:flex;background:#fff;border-top:1px solid var(--line)}.phone-nav button{flex:1;background:none;padding:10px 0 14px;font-size:10.5px;color:var(--muted);display:flex;flex-direction:column;gap:3px;align-items:center}.phone-nav button.on{color:var(--brand);font-weight:700}.phone-nav .i{font-size:18px}.push{background:#fffffff5;border-radius:14px;padding:10px 12px;margin:8px 12px;box-shadow:0 8px 24px #0000002e;font-size:12px;animation:slideDown .4s ease;position:absolute;top:10px;left:0;right:0;z-index:10}@keyframes slideDown{0%{transform:translateY(-80px);opacity:0}}@media (max-width: 900px){.sidebar{width:100%;height:auto;position:fixed;inset:auto 0 0 0;flex-direction:row;padding:6px;align-items:center;overflow-x:auto}.sidebar .logo,.sidebar .spacer,.sidebar .persona{display:none}.nav-item{flex-direction:column;gap:3px;font-size:10px;padding:8px 10px;margin:0;white-space:nowrap}.main{margin-left:0;padding:14px 14px 90px}.cols-4,.cols-3,.cols-2{grid-template-columns:1fr 1fr}.persona-grid{grid-template-columns:1fr}.phone-frame{width:100%;border-radius:0;padding:0;box-shadow:none;background:none}}