:root{--bg:#F4F9FB;--surface:#FFF;--surface-soft:#EFFBFF;--text:#071B2F;--text-muted:#526574;--primary:#0077B6;--primary-hover:#035078;--accent:#00B4D8;--border:#CFE8F0;--danger:#E5484D;--success:#16875B;--warning:#F2A900}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",sans-serif}body{overflow-x:hidden}a{color:var(--primary)}button,input{font:inherit}.auth-page{display:grid;place-items:center;min-height:100vh;padding:20px}.auth-wrap{width:min(100%,420px)}.login-card,.panel,.metric{background:var(--surface);border:1px solid var(--border);border-radius:12px}.login-card{padding:30px}.brand-mark,.logo span{display:inline-grid;place-items:center;background:var(--primary);color:#fff;font-weight:700;border-radius:8px}.brand-mark{width:48px;height:48px}.login-card h1{margin:16px 0 4px}.muted,.topbar p,.empty p{color:var(--text-muted)}label{display:grid;gap:7px;margin:18px 0;font-weight:600}input{width:100%;min-height:44px;border:1px solid var(--border);border-radius:8px;padding:9px 12px;color:var(--text);background:#fff}input:focus{outline:3px solid #00b4d833;border-color:var(--accent)}.button,.logout button{display:inline-grid;place-items:center;min-height:44px;border:0;border-radius:8px;padding:0 18px;text-decoration:none;cursor:pointer}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-hover)}.alert{padding:12px;border-radius:8px;margin-top:16px}.alert-danger{background:#fff1f1;color:#98262a;border:1px solid #f4caca}.shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:20}.sidebar-head{height:72px;display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}.logo{color:var(--text);font-weight:750;text-decoration:none;display:flex;align-items:center;gap:10px}.logo span{width:36px;height:36px}.sidebar nav{padding:12px}.sidebar nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;margin:2px 0;border-radius:8px;color:var(--text-muted);text-decoration:none}.sidebar nav a:hover,.sidebar nav a.active{background:var(--surface-soft);color:var(--primary);font-weight:650}.logout{margin:auto 12px 16px}.logout button{width:100%;background:transparent;color:var(--danger);text-align:left}.main{margin-left:250px}.topbar{height:72px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 26px}.topbar h1{font-size:21px;margin:0}.topbar p{font-size:13px;margin:3px 0 0}.content{padding:24px;max-width:1400px;margin:auto}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:20px}.metric{padding:18px}.metric span{display:block;color:var(--text-muted);font-size:14px}.metric strong{display:block;font-size:30px;margin-top:8px}.panel-head{padding:18px 20px;border-bottom:1px solid var(--border)}.panel h2{font-size:17px;margin:0}.empty{text-align:center;padding:50px 20px}.table-wrap{max-width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:650px}th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-muted);background:var(--surface-soft)}.icon-button{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--text);font-size:24px}.menu-open,.menu-close{display:none}.overlay{display:none}@media(max-width:780px){.sidebar{transform:translateX(-100%);transition:transform .2s}.menu-visible .sidebar{transform:none}.main{margin-left:0}.menu-open,.menu-close{display:grid;place-items:center}.menu-close{margin-left:auto}.topbar{padding:0 12px;gap:8px}.content{padding:14px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric{padding:14px}.metric strong{font-size:25px}.menu-visible .overlay{display:block;position:fixed;inset:0;background:#071b2f66;z-index:10}}@media(max-width:390px){.metrics{grid-template-columns:1fr}.login-card{padding:22px}}