:root{--primary: #10b981;--primary-hover: #059669;--secondary: #64748b;--background: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text-main: #0f172a;--text-muted: #64748b;--danger: #ef4444;--danger-hover: #dc2626;--warning: #f59e0b;--success: #10b981;--sidebar-bg: #1e293b;--sidebar-text: #e2e8f0;--sidebar-hover: #334155;--sidebar-active: #0f172a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--background);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit}.layout-container{display:flex;height:100vh;overflow:hidden}.sidebar{width:250px;background-color:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column}.sidebar-header{padding:1.5rem;font-size:1.25rem;font-weight:700;border-bottom:1px solid var(--sidebar-hover);display:flex;align-items:center;gap:.5rem;color:#fff}.sidebar-nav{flex:1;overflow-y:auto;padding:1rem 0}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--sidebar-text);transition:background-color .2s,color .2s}.nav-item:hover{background-color:var(--sidebar-hover);color:#fff}.nav-item.active{background-color:var(--sidebar-active);color:var(--primary);border-right:4px solid var(--primary)}.sidebar-footer{padding:1rem;border-top:1px solid var(--sidebar-hover)}.main-content{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 2rem}.user-profile{display:flex;align-items:center;gap:.75rem}.avatar{width:32px;height:32px;border-radius:50%;background-color:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}.page-content{flex:1;padding:2rem;overflow-y:auto}.card{background-color:var(--surface);border:1px solid var(--border);border-radius:.5rem;padding:1.5rem;box-shadow:0 1px 3px #0000000d}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;border-radius:.375rem;font-weight:500;font-size:.875rem;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover{background-color:var(--danger-hover)}.btn-secondary{background-color:var(--border);color:var(--text-main)}.btn-secondary:hover{background-color:#cbd5e1}.table-container{width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}th{background-color:#f8fafc;color:var(--text-muted);font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.badge{display:inline-flex;align-items:center;padding:.25rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-success{background-color:#d1fae5;color:#065f46}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-gray{background-color:#f1f5f9;color:#475569}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--text-main)}.form-control{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:.375rem;font-size:.875rem;color:var(--text-main)}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #10b98133}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:50}.modal-content{background-color:var(--surface);border-radius:.5rem;width:100%;max-width:450px;padding:1.5rem;box-shadow:0 10px 15px -3px #0000001a}.modal-header{font-size:1.25rem;font-weight:600;margin-bottom:1rem}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.loader-container{display:flex;justify-content:center;align-items:center;padding:3rem}.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--sidebar-bg)}.login-card{width:100%;max-width:400px;padding:2.5rem}.login-title{font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:2rem;color:var(--text-main)}