:root{--primary:#0f766e;--primary-2:#14b8a6;--bg:#f4f8fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--danger:#dc2626;--success:#15803d;--warning:#d97706;--info:#2563eb}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:280px;background:linear-gradient(180deg,var(--primary),#115e59);color:#fff;position:sticky;top:0;height:100vh;overflow:auto}.sidebar-brand{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.12)}.brand-title{font-size:26px;font-weight:700}.brand-subtitle{font-size:12px;opacity:.85;margin-top:4px}.sidebar-menu{padding:12px}.menu-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;opacity:.75;margin:16px 8px 8px}.menu-item{display:block;padding:11px 14px;border-radius:12px;color:#fff;font-size:14px}.menu-item:hover,.menu-item.active{background:rgba(255,255,255,.14)}.main-panel{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid var(--border);padding:16px 24px}.topbar-title{font-size:24px;font-weight:700;color:var(--primary)}.topbar-subtitle{font-size:13px;color:var(--muted);margin-top:3px}.topbar-right{display:flex;align-items:center;gap:12px}.pill{background:#ecfeff;padding:9px 14px;border-radius:999px;color:#115e59;font-weight:700;font-size:13px}.content-panel{padding:24px;flex:1}.footer{padding:14px 24px;background:#fff;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px}.page-header h2{margin:0 0 4px;font-size:28px}.page-header p{margin:0;color:var(--muted)}.card{background:var(--card);border-radius:18px;padding:20px;box-shadow:0 10px 25px rgba(15,118,110,.08)}.card-title{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:14px}.grid-4,.grid-3,.grid-2{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-card{background:linear-gradient(135deg,#ccfbf1,#f0fdfa);padding:18px;border-radius:18px}.stat-label{font-size:13px;color:#115e59;margin-bottom:8px}.stat-value{font-size:30px;font-weight:700;color:#134e4a}.stat-value.small{font-size:18px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;margin-bottom:6px;font-weight:700}.form-control{width:100%;padding:11px 12px;border:1px solid #d1d5db;border-radius:12px;outline:none;background:#fff}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,184,166,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;border:0;cursor:pointer;font-weight:700}.btn-sm{padding:8px 10px;font-size:12px}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-light{background:#f3f4f6;color:#111827}.btn-block{width:100%}.form-actions{display:flex;gap:10px;flex-wrap:wrap}.alert{padding:12px 14px;border-radius:12px}.alert-success{background:#ecfdf5;color:#166534}.alert-danger{background:#fef2f2;color:#991b1b}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;font-size:14px}.badge{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700}.badge-danger{background:#fee2e2;color:#991b1b}.badge-success{background:#dcfce7;color:#166534}.badge-info{background:#dbeafe;color:#1d4ed8}.badge-warning{background:#ffedd5;color:#9a3412}.badge-secondary{background:#e5e7eb;color:#374151}.badge-primary{background:#ccfbf1;color:#115e59}.badge-dark{background:#111827;color:#f9fafb}.filter-bar{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.form-inline-group label{display:block;font-size:12px;margin-bottom:5px;font-weight:700}.flex-1{flex:1}.mb-16{margin-bottom:16px}.mt-12{margin-top:12px}.muted{color:var(--muted)}.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f766e,#14b8a6)}.login-card{width:min(420px,92vw);background:#fff;padding:28px;border-radius:22px;box-shadow:0 18px 40px rgba(0,0,0,.18)}.login-brand{font-size:28px;font-weight:800;color:var(--primary)}.login-subtitle{margin:8px 0 18px;color:var(--muted);line-height:1.5}@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:860px){.app-shell{display:block}.sidebar{width:100%;height:auto;position:relative}.topbar,.page-header{flex-direction:column;align-items:flex-start}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}