@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Bricolage+Grotesque:wght@500;700&display=swap');

:root {
  --brand:#2563EB; --brand-dark:#1D4ED8; --brand-light:#EFF6FF;
  --success:#16A34A; --danger:#DC2626; --warning:#D97706;
  --text:#0F172A; --text-2:#475569; --text-3:#94A3B8;
  --border:#E2E8F0; --bg:#F8FAFC; --white:#FFFFFF;
  --sidebar-w:240px; --radius:10px;
  --shadow:0 1px 3px rgba(0,0,0,0.08),0 1px 2px rgba(0,0,0,0.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{font-family:'DM Sans',sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
h1,h2,h3,h4{font-family:'Bricolage Grotesque',sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.app-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--white);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100}
.sidebar-logo{padding:20px;border-bottom:1px solid var(--border);font-family:'Bricolage Grotesque',sans-serif;font-size:18px;font-weight:700;color:var(--brand);display:flex;align-items:center;gap:8px}
.sidebar-logo .dot{width:8px;height:8px;background:var(--brand);border-radius:50%}
.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}
.nav-label{font-size:10px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:1px;padding:8px 8px 4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,color .15s;text-decoration:none;margin-bottom:2px}
.nav-item:hover{background:var(--bg);color:var(--text);text-decoration:none}
.nav-item.active{background:var(--brand-light);color:var(--brand)}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
.sidebar-user{padding:16px;border-top:1px solid var(--border);font-size:13px;color:var(--text-2)}
.sidebar-user strong{display:block;color:var(--text)}

.main-content{margin-left:var(--sidebar-w);flex:1;min-width:0}
.topbar{background:var(--white);border-bottom:1px solid var(--border);padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar-title{font-family:'Bricolage Grotesque',sans-serif;font-size:17px;font-weight:700}
.page-body{padding:32px;max-width:1200px}

.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.card-title{font-size:15px;font-weight:600}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:28px}
.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.stat-label{font-size:12px;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.stat-value{font-size:28px;font-weight:700;font-family:'Bricolage Grotesque',sans-serif;color:var(--text)}
.stat-sub{font-size:12px;color:var(--text-3);margin-top:4px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);text-decoration:none}
.btn-outline{background:transparent;color:var(--text-2);border-color:var(--border)}
.btn-outline:hover{background:var(--bg);text-decoration:none}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{opacity:.85;text-decoration:none}
.btn-success{background:var(--success);color:#fff}
.btn-sm{padding:6px 12px;font-size:13px}

.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:500;color:var(--text);margin-bottom:6px}
.form-control{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--white);color:var(--text);transition:border-color .15s}
.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-hint{font-size:12px;color:var(--text-3);margin-top:4px}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:80px}

.table-wrap{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table th{padding:10px 14px;text-align:left;font-size:12px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);background:var(--bg)}
.data-table td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:var(--bg)}

.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}
.badge-success{background:#DCFCE7;color:#15803D}
.badge-warning{background:#FEF9C3;color:#A16207}
.badge-danger{background:#FEE2E2;color:#B91C1C}
.badge-info{background:#DBEAFE;color:#1D4ED8}
.badge-gray{background:#F1F5F9;color:#475569}

.alert{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:14px;display:flex;align-items:center;gap:10px}
.alert-success{background:#DCFCE7;color:#15803D;border:1px solid #BBF7D0}
.alert-error{background:#FEE2E2;color:#B91C1C;border:1px solid #FECACA}
.alert-info{background:#DBEAFE;color:#1D4ED8;border:1px solid #BFDBFE}

.metrics-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;margin-bottom:24px}
.metric-box{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center}
.metric-box .m-label{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.metric-box .m-value{font-size:22px;font-weight:700;font-family:'Bricolage Grotesque',sans-serif;color:var(--brand)}

.empty-state{text-align:center;padding:64px 24px}
.empty-state svg{color:var(--text-3);margin-bottom:16px}
.empty-state h3{font-size:16px;margin-bottom:8px}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:20px}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--white);border-radius:12px;padding:28px;width:100%;max-width:520px;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.modal-title{font-size:17px;font-weight:700}
.modal-close{background:none;border:none;cursor:pointer;color:var(--text-3);font-size:20px}

.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}
.flex-center{display:flex;align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-2{margin-bottom:16px}
.text-sm{font-size:13px}.text-muted{color:var(--text-2)}.text-center{text-align:center}
.w-full{width:100%}.hidden{display:none}

@media(max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .page-body{padding:16px}
}