*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--accent: #f59e0b;--success: #16a34a;--success-light: #dcfce7;--warning: #d97706;--warning-light: #fef3c7;--danger: #dc2626;--danger-light: #fee2e2;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--border-focus: #93c5fd;--text: #1e293b;--text-muted: #64748b;--text-light: #94a3b8;--sidebar-bg: #0f172a;--sidebar-text: #94a3b8;--sidebar-active-bg: #1e40af;--sidebar-active-text: #ffffff;--sidebar-hover-bg: #1e293b;--radius: 8px;--radius-sm: 4px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.04);--shadow-lg: 0 10px 15px rgba(0,0,0,.1),0 4px 6px rgba(0,0,0,.05);--t: .15s ease}html,body,#app{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit}input,select,textarea{font:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;transition:background var(--t),box-shadow var(--t);white-space:nowrap;line-height:1.4}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-ghost{background:transparent;color:var(--text-muted);padding:6px 10px}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-sm{padding:5px 10px;font-size:13px}.btn:disabled{opacity:.55;cursor:not-allowed;pointer-events:none}.form-group{display:flex;flex-direction:column;gap:5px}.form-label{font-size:13px;font-weight:500;color:var(--text)}.form-control{padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);transition:border-color var(--t),box-shadow var(--t);width:100%}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-control::placeholder{color:var(--text-light)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-gray{background:#f1f5f9;color:var(--text-muted)}.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow)}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;inset:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:16px;font-weight:600}.modal-body{padding:20px 24px;display:flex;flex-direction:column;gap:16px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:16px 24px;border-top:1px solid var(--border)}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px}.alert-error{background:var(--danger-light);color:var(--danger)}.alert-success{background:var(--success-light);color:var(--success)}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 24px;color:var(--text-muted);text-align:center}.empty-state svg{color:var(--text-light);opacity:.6}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:20px;font-weight:700;color:var(--text)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}