:root{--bg:#f5f5f5;--sidebar-bg:#1e293b;--sidebar-text:#cbd5e1;--sidebar-active:#f97316;--card-bg:#fff;--text:#334155;--text-muted:#64748b;--border:#e2e8f0;--accent:#f97316;--accent-hover:#ea580c;--success:#22c55e;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif}.app-container{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);width:240px;color:var(--sidebar-text);flex-direction:column;padding:24px 16px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-header{margin-bottom:32px}.sidebar-header h1{color:#fff;margin-bottom:4px;font-size:20px}.sidebar-header p{color:var(--sidebar-text);font-size:12px}.nav-links{flex-direction:column;flex:1;gap:4px;padding-bottom:80px;list-style:none;display:flex;overflow-y:auto}.nav-links a{color:var(--sidebar-text);border-radius:8px;align-items:center;gap:10px;padding:10px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-links a:hover{background:#ffffff14}.nav-links a.active{background:var(--accent);color:#fff}.content{flex:1;max-width:1200px;margin-left:240px;padding:32px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:24px}.card h2{color:var(--text);margin-bottom:16px;font-size:18px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:20px}.stat-card .label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:12px}.stat-card .value{color:var(--text);font-size:28px;font-weight:700}.stat-card .accent{color:var(--accent)}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 14px;font-size:13px}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;transition:background .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{color:var(--danger);border:1px solid var(--danger);background:0 0}.btn-danger:hover{background:#ef444414}.form-group{margin-bottom:14px}.form-group label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.3px;margin-bottom:4px;font-size:12px;font-weight:600;display:block}.form-group input,.form-group select{border:1px solid var(--border);width:100%;color:var(--text);background:var(--card-bg);border-radius:6px;padding:8px 12px;font-size:14px}.form-group input:focus,.form-group select:focus{border-color:var(--accent);outline:none}.grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.badge{border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-green{color:var(--success);background:#22c55e1a}.badge-orange{color:var(--accent);background:#f973161a}.login-page{background:#f0f4f8;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--card-bg);border-radius:12px;width:100%;max-width:400px;padding:40px;box-shadow:0 4px 24px #0000001a}.login-header{text-align:center;margin-bottom:32px}.login-header h1{color:var(--sidebar-bg);font-size:24px}.login-header p{color:var(--text-muted);margin-top:4px;font-size:14px}.login-form{flex-direction:column;gap:16px;display:flex}.login-btn{width:100%;margin-top:8px;padding:12px;font-size:16px}.login-error{color:var(--danger);background:#ef44441a;border-radius:8px;padding:10px 14px;font-size:14px}.sidebar-footer{background:var(--sidebar-bg);border-top:1px solid #ffffff1a;padding:16px;position:absolute;bottom:0;left:0;right:0}.sidebar-footer .user-info{color:var(--sidebar-text);margin-bottom:8px;font-size:12px;display:block}.btn-logout{width:100%;color:var(--sidebar-text);cursor:pointer;background:#ffffff1a;border:none;border-radius:6px;padding:8px;font-size:13px}.btn-logout:hover{color:#fff;background:#fff3}.tabs{border-bottom:2px solid var(--border);gap:0;margin-bottom:20px;display:flex}.tab{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 20px;font-size:14px;font-weight:500}.tab:hover{color:var(--text)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.empty-state{text-align:center;color:var(--text-muted);padding:48px 24px}.empty-state p{margin-bottom:16px;font-size:16px}.nav-section{text-transform:uppercase;letter-spacing:1px;color:#64748b;padding:16px 16px 6px;font-size:10px;font-weight:700}.form-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));align-items:end;gap:16px;display:grid}