:root{--primary: #0ea5e9;--primary-dark: #0284c7;--primary-light: #e0f2fe;--secondary: #10b981;--bg-color: #f8fafc;--surface: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--danger: #ef4444;--warning: #f59e0b;--radius: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit;border:none;background:none}input,select,textarea{font-family:inherit}.app-container{display:flex;height:100vh;overflow:hidden}.sidebar{width:260px;background-color:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .3s ease;z-index:10}.sidebar-header{height:64px;display:flex;align-items:center;padding:0 20px;border-bottom:1px solid var(--border);font-weight:700;color:var(--primary-dark);font-size:1.1rem;gap:12px}.sidebar-nav{padding:16px 12px;display:flex;flex-direction:column;gap:8px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;color:var(--text-muted);font-weight:500;transition:all .2s ease}.nav-item:hover{background-color:var(--primary-light);color:var(--primary-dark)}.nav-item.active{background-color:var(--primary);color:#fff}.main-wrapper{flex:1;display:flex;flex-direction:column;overflow:hidden}.top-header{height:64px;background-color:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:5}.main-content{flex:1;padding:24px 32px;overflow-y:auto}.page-title{font-size:1.5rem;font-weight:700;margin-bottom:24px;color:var(--text-main)}.card{background-color:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:24px;margin-bottom:24px;transition:box-shadow .2s}.card:hover{box-shadow:var(--shadow)}.card-title{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--text-main);display:flex;align-items:center;gap:8px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:8px;color:var(--text-main)}.form-control{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:.9rem;transition:border-color .2s,box-shadow .2s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:6px;font-weight:500;font-size:.9rem;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-outline{border:1px solid var(--border);background-color:transparent;color:var(--text-main)}.btn-outline:hover{background-color:var(--bg-color);border-color:var(--text-muted)}.btn-danger{background-color:var(--danger);color:#fff}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse;text-align:left;font-size:.9rem}.table th,.table td{padding:12px 16px;border-bottom:1px solid var(--border)}.table th{background-color:var(--bg-color);font-weight:600;color:var(--text-muted);white-space:nowrap}.table tr:hover td{background-color:var(--primary-light)}.badge{display:inline-block;padding:4px 8px;border-radius:12px;font-size:.75rem;font-weight:600}.badge-success{background-color:#dcfce7;color:#166534}.badge-warning{background-color:#fef9c3;color:#854d0e}.badge-danger{background-color:#fee2e2;color:#991b1b}.stat-card{display:flex;align-items:center;padding:24px;background:#fff;border-radius:12px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-right:16px}.stat-icon.primary{background-color:var(--primary-light);color:var(--primary)}.stat-icon.secondary{background-color:#dcfce7;color:var(--secondary)}.stat-icon.warning{background-color:#fef3c7;color:var(--warning)}.stat-info h3{font-size:.875rem;color:var(--text-muted);font-weight:500;margin-bottom:4px}.stat-info p{font-size:1.5rem;font-weight:700;color:var(--text-main)}