*{box-sizing:border-box}
body{margin:0;background:#f2f6fb;color:#172033;font-family:Tahoma,Arial,sans-serif;font-size:14px}
a{text-decoration:none}
.shell{display:flex;min-height:100vh}
.sidebar{width:280px;background:linear-gradient(180deg,#0f172a,#1e293b);color:#fff;padding:24px;position:fixed;right:0;top:0;bottom:0;overflow:auto}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}
.brand-logo{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,#22c55e,#14b8a6);display:flex;align-items:center;justify-content:center;color:#052e16;font-weight:900;font-size:18px}
.brand strong{display:block;font-size:17px}
.brand small{display:block;color:#94a3b8;margin-top:5px}
.nav a{display:flex;align-items:center;color:#cbd5e1;padding:13px 14px;border-radius:16px;margin-bottom:7px}
.nav a:hover{background:#334155;color:white}
.main{margin-right:280px;width:calc(100% - 280px);padding:28px}
.topbar{background:white;border-radius:26px;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 12px 35px rgba(15,23,42,.07);margin-bottom:22px}
.topbar h1{margin:0 0 6px;font-size:25px}
.topbar p{margin:0;color:#64748b}
.profile{background:#f1f5f9;border:1px solid #e2e8f0;padding:10px 16px;border-radius:999px;color:#334155}
.card{background:white;border-radius:26px;padding:22px;box-shadow:0 12px 35px rgba(15,23,42,.07);margin-bottom:18px}
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.stat{display:flex;align-items:center;justify-content:space-between}
.stat span{color:#64748b}
.stat b{font-size:30px;color:#0f172a}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid #dbe4ef;border-radius:15px;background:#fff;font-family:Tahoma,Arial}
textarea{min-height:130px}
label{display:block;margin-bottom:8px;font-weight:700;color:#334155}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.btn{display:inline-block;border:0;border-radius:15px;padding:11px 18px;background:#2563eb;color:#fff;cursor:pointer;font-family:Tahoma,Arial;font-size:14px}
.btn.green{background:#16a34a}.btn.red{background:#dc2626}.btn.gray{background:#475569}.btn.orange{background:#ea580c}.btn.dark{background:#111827}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:13px;border-bottom:1px solid #eef2f7;text-align:right;vertical-align:middle}
.table th{background:#f8fafc;color:#475569;font-weight:900}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#e0f2fe;color:#075985;font-size:12px;white-space:nowrap}
.badge.green{background:#dcfce7;color:#166534}
.badge.red{background:#fee2e2;color:#991b1b}
.badge.yellow{background:#fef3c7;color:#92400e}
.badge.gray{background:#f1f5f9;color:#334155}
.alert{padding:14px 16px;border-radius:18px;margin-bottom:18px}
.alert-success{background:#dcfce7;color:#166534}.alert-danger{background:#fee2e2;color:#991b1b}.alert-warning{background:#fef3c7;color:#92400e}.alert-info{background:#e0f2fe;color:#075985}
.small{font-size:12px;color:#64748b;line-height:1.9}
.login-page{min-height:100vh;background:radial-gradient(circle at top,#1e293b,#020617);display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:440px;background:white;border-radius:30px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.35)}
.login-card h1{margin-top:0}
hr{border:0;border-top:1px solid #eef2f7;margin:20px 0}
@media(max-width:950px){.shell{display:block}.sidebar{position:relative;width:100%;height:auto}.main{margin:0;width:100%;padding:16px}.grid-4,.grid-3,.form-grid{grid-template-columns:1fr}.topbar{display:block}}