:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-tertiary: #252836;--text-primary: #e4e6eb;--text-secondary: #9ca3af;--accent: #6366f1;--accent-hover: #818cf8;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--border: #2d3142}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:24px;margin-bottom:20px}.btn{padding:10px 20px;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.input{width:100%;padding:12px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px}.input:focus{outline:none;border-color:var(--accent)}.label{display:block;margin-bottom:8px;font-size:14px;color:var(--text-secondary)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid var(--border)}.table th{color:var(--text-secondary);font-weight:500;font-size:12px;text-transform:uppercase}.table tr:hover{background:var(--bg-tertiary)}.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:500}.badge-success{background:#10b98133;color:var(--success)}.badge-danger{background:#ef444433;color:var(--danger)}.badge-warning{background:#f59e0b33;color:var(--warning)}.navbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.navbar-brand{font-size:20px;font-weight:700;color:var(--accent)}.navbar-nav{display:flex;gap:24px}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:100%;max-width:400px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:24px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:20px}.stat-value{font-size:32px;font-weight:700;color:var(--accent)}.stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:24px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title{font-size:18px;font-weight:600}.close-btn{background:none;border:none;color:var(--text-secondary);font-size:24px;cursor:pointer}.form-group{margin-bottom:16px}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.alert-success{background:#10b98133;color:var(--success)}.alert-error{background:#ef444433;color:var(--danger)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px}