:root{--bg:#f5f7fb;--card:#fff;--text:#182033;--muted:#6b7280;--line:#e5e7eb;--primary:#1f5eff;--sidebar:#0d1b2d;--success:#0f9d58;--danger:#d93025}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--sidebar);color:#fff;padding:22px 18px;position:fixed;inset:0 auto 0 0}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-mark{width:42px;height:42px;border-radius:12px;background:#2368ff;display:grid;place-items:center;font-weight:800}
.brand span{display:block;color:#9fb0c4;font-size:12px;margin-top:3px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.sidebar nav a,.sidebar-footer a{color:#cbd5e1;text-decoration:none;padding:11px 12px;border-radius:9px}.sidebar nav a:hover{background:#172b46;color:#fff}
.sidebar-footer{position:absolute;bottom:18px;left:18px;right:18px;border-top:1px solid #24364e;padding-top:14px;display:flex;justify-content:space-between;align-items:center;font-size:13px}
.main{margin-left:260px;width:calc(100% - 260px);padding:28px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.topbar h1{margin:0;font-size:28px}.topbar p{margin:5px 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 5px 18px rgba(15,23,42,.04)}
.kpi .label{font-size:13px;color:var(--muted)}.kpi .value{font-size:26px;font-weight:750;margin-top:8px}.section{margin-top:18px}.section h2{font-size:18px;margin:0 0 13px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{padding:12px 13px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}th{background:#f8fafc;color:#475569}
.btn{display:inline-block;border:none;background:var(--primary);color:#fff;text-decoration:none;padding:9px 13px;border-radius:9px;cursor:pointer;font-weight:600}.btn.secondary{background:#eef2ff;color:#1d4ed8}.btn.danger{background:#fee2e2;color:#b91c1c}
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field label{display:block;font-size:12px;color:#475569;margin-bottom:5px}.field input,.field select,.field textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.field textarea{min-height:90px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:15px}.alert.success{background:#e8f5e9;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef4ff,#f8fafc)}.login-card{width:min(440px,92vw);background:#fff;padding:30px;border-radius:18px;box-shadow:0 15px 45px rgba(15,23,42,.12)}
.login-card h1{margin-top:0}.footer{padding:22px 0;color:#94a3b8;font-size:12px}.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:11px}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.sidebar{width:220px}.main{margin-left:220px;width:calc(100% - 220px)}}@media(max-width:760px){.sidebar{position:static;width:100%}.app{display:block}.main{margin-left:0;width:100%;padding:16px}.grid,.form-grid{grid-template-columns:1fr}.sidebar-footer{position:static;margin-top:20px}}