:root{--primary: #3b82f6;--primary-dark: #2563eb;--secondary: #64748b;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--bg-dark: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--text: #f1f5f9;--text-secondary: #94a3b8;--border: #475569}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-dark);color:var(--text);min-height:100vh}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-card);border-right:1px solid var(--border);padding:1.5rem;display:flex;flex-direction:column}.sidebar h1{font-size:1.25rem;margin-bottom:2rem;color:var(--primary);display:flex;align-items:center;gap:.5rem}.nav{display:flex;flex-direction:column;gap:.5rem}.nav a{color:var(--text-secondary);text-decoration:none;padding:.75rem 1rem;border-radius:.5rem;display:flex;align-items:center;gap:.75rem;transition:all .2s}.nav a:hover,.nav a.active{background:var(--bg-input);color:var(--text)}.nav a.active{color:var(--primary);border-left:3px solid var(--primary)}.main{flex:1;padding:2rem;overflow-y:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h2{font-size:1.75rem;font-weight:600}.card{background:var(--bg-card);border-radius:.75rem;padding:1.5rem;border:1px solid var(--border)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-header h3{font-size:1.125rem;font-weight:500}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-weight:500;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}tr:hover td{background:#3b82f60d}.btn{padding:.5rem 1rem;border-radius:.5rem;border:none;cursor:pointer;font-size:.875rem;font-weight:500;display:inline-flex;align-items:center;gap:.5rem;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-secondary{background:var(--bg-input);color:var(--text)}.btn-secondary:hover{background:var(--border)}.btn-sm{padding:.375rem .75rem;font-size:.75rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.875rem;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem;background:var(--bg-input);border:1px solid var(--border);border-radius:.5rem;color:var(--text);font-size:.875rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-card);border-radius:1rem;padding:1.5rem;width:100%;max-width:500px;border:1px solid var(--border)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-header h3{font-size:1.25rem}.modal-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:1.5rem}.badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#22c55e33;color:var(--success)}.badge-danger{background:#ef444433;color:var(--danger)}.badge-warning{background:#f59e0b33;color:var(--warning)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-form{background:var(--bg-card);padding:2rem;border-radius:1rem;width:100%;max-width:400px;border:1px solid var(--border)}.login-form h2{text-align:center;margin-bottom:2rem;color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--bg-card);padding:1.5rem;border-radius:.75rem;border:1px solid var(--border)}.stat-card h4{color:var(--text-secondary);font-size:.875rem;margin-bottom:.5rem}.stat-card .value{font-size:2rem;font-weight:700;color:var(--primary)}.text-center{text-align:center}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mb-1{margin-bottom:1rem}.mb-2{margin-bottom:2rem}.flex{display:flex}.gap-1{gap:1rem}.items-center{align-items:center}.justify-between{justify-content:space-between}