:root{--primary:#0f766e;--primary-dark:#115e59;--accent:#f59e0b;--dark:#0f172a;--muted:#64748b;--bg:#f4f7fb;--card:#fff;--line:#e2e8f0;--danger:#dc2626;--success:#16a34a}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--dark);font-size:14px}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;background:#0f172a;color:#fff;position:fixed;left:0;top:0;bottom:0;overflow:auto;z-index:10}.brand{display:flex;gap:12px;align-items:center;padding:18px;border-bottom:1px solid rgba(255,255,255,.1)}.brand-logo{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;font-weight:800}.brand span{display:block;color:#cbd5e1;font-size:12px;margin-top:3px}.menu{padding:12px}.menu a{display:block;color:#e2e8f0;text-decoration:none;padding:11px 12px;border-radius:10px;margin-bottom:5px}.menu a:hover{background:rgba(255,255,255,.09);color:#fff}.main{margin-left:260px;width:calc(100% - 260px)}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}.topbar h1{font-size:20px;margin:0}.topbar small{color:var(--muted)}.hamburger{display:none;border:0;background:var(--primary);color:white;border-radius:8px;padding:9px 11px;font-size:18px}.userbox{text-align:right}.userbox a{display:block;color:var(--primary);text-decoration:none;font-size:12px;margin-top:3px}.content{padding:24px}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card,.stat-card,.table-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 20px rgba(15,23,42,.04)}.stat-card span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase}.stat-card strong{display:block;font-size:25px;margin-top:8px}.module-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;text-decoration:none;color:var(--dark);display:block}.module-card:hover{border-color:var(--primary);box-shadow:0 10px 24px rgba(15,118,110,.12)}.module-card strong{display:block;font-size:16px;margin-bottom:8px}.module-card span{color:var(--muted)}.btn{display:inline-block;border:0;background:var(--primary);color:#fff;text-decoration:none;padding:10px 13px;border-radius:10px;cursor:pointer}.btn.secondary{background:#334155}.btn.danger{background:var(--danger)}.form-box{max-width:430px;margin:7vh auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 16px 40px rgba(15,23,42,.08)}.form-box h1{margin-top:0}.field{margin-bottom:14px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;font-size:14px}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}.alert.error{background:#fee2e2;color:#991b1b}.alert.ok{background:#dcfce7;color:#166534}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left}th{font-size:12px;text-transform:uppercase;color:#475569;background:#f8fafc}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#e2e8f0}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.badge.danger{background:#fee2e2;color:#991b1b}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.page-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.page-head h2{margin:0}.muted{color:var(--muted)}@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%}.hamburger{display:inline-block}.topbar{padding:0 14px}.grid-4,.grid-3{grid-template-columns:1fr}.content{padding:14px}.userbox strong{display:none}}@media print{.sidebar,.topbar,.actions,.btn{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card,.table-card{box-shadow:none;border:0}}