:root{--primary-color: #1976d2;--primary-hover: #1565c0;--secondary-color: #424242;--secondary-hover: #303030;--accent-color: #00ff91;--header-background: linear-gradient(135deg, #637ce9 0%, #614ba2 100%);--header-text-color: #ffffff;--background-color: #f5f7fa;--card-background: #ffffff;--border-color: #e0e0e0;--text-primary: #212121;--text-secondary: #757575;--success-color: #4caf50;--error-color: #f44336;--warning-color: #ff9800;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--shadow-md: 0 3px 6px rgba(0, 0, 0, .16), 0 3px 6px rgba(0, 0, 0, .23);--shadow-lg: 0 10px 20px rgba(0, 0, 0, .19), 0 6px 6px rgba(0, 0, 0, .23);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background-color);color:var(--text-primary);line-height:1.6;min-height:100vh}body.has-background-image{background-size:cover;background-position:center;background-attachment:fixed;background-repeat:no-repeat}body.has-background-image:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:#ffffffeb;z-index:-1}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1400px;margin:0 auto;padding:var(--spacing-lg)}.card{background:var(--card-background);border-radius:var(--radius-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:box-shadow .3s ease,transform .3s ease;border:1px solid var(--border-color)}.card:hover{box-shadow:var(--shadow-md)}.btn{padding:12px 24px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;font-weight:600;transition:all .2s ease;text-transform:uppercase;letter-spacing:.5px;box-shadow:var(--shadow-sm)}.btn:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover{background-color:var(--secondary-hover)}.btn-danger{background-color:var(--error-color);color:#fff}.btn-danger:hover{background-color:#d32f2f}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-sm);font-weight:600;color:var(--text-primary);font-size:14px}.form-control{width:100%;padding:12px 16px;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-size:14px;transition:all .2s ease;background-color:var(--card-background)}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #1976d21a}.form-control:hover{border-color:var(--text-secondary)}textarea.form-control{min-height:120px;resize:vertical;font-family:inherit}.search-box{margin-bottom:var(--spacing-lg)}.search-box input{width:100%;padding:14px 20px;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:16px;transition:all .2s ease}.search-box input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #1976d21a}.table{width:100%;border-collapse:separate;border-spacing:0;border-radius:var(--radius-md);overflow:hidden}.table th,.table td{padding:16px;text-align:left;border-bottom:1px solid var(--border-color)}.table th{background:linear-gradient(to bottom,#f8f9fa,#e9ecef);font-weight:700;color:var(--text-primary);text-transform:uppercase;font-size:12px;letter-spacing:.5px;border-bottom:2px solid var(--border-color)}.table tbody tr{transition:all .2s ease}.table tbody tr:hover{background-color:#1976d20a;cursor:pointer;transform:scale(1.001)}.table tbody tr:last-child td{border-bottom:none}.header{background:var(--header-background);padding:0;box-shadow:var(--shadow-md);margin-bottom:var(--spacing-xl);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);max-width:1400px;margin:0 auto}.header-logo{display:flex;align-items:center;gap:var(--spacing-md)}.header-logo img{height:50px;width:auto;object-fit:contain}.header-logo h1{color:var(--header-text-color);font-size:24px;font-weight:700;margin:0;text-shadow:0 2px 4px rgba(0,0,0,.1)}.nav{display:flex;flex-direction:row;flex-wrap:wrap;align-content:center;justify-content:space-evenly;gap:var(--spacing-sm);list-style:none;padding:0;align-items:center}.nav a{text-decoration:none;color:var(--header-text-color);font-weight:600;padding:10px 18px;border-radius:var(--radius-sm);transition:all .2s ease;font-size:14px;text-transform:uppercase;letter-spacing:.5px}.nav a:hover{background-color:#ffffff26;transform:translateY(-1px)}.nav a.active{background-color:#ffffff40}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.stat-card{background:linear-gradient(135deg,var(--card-background) 0%,#f8f9fa 100%);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(to bottom,var(--primary-color),var(--accent-color))}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.stat-card h3{font-size:13px;color:var(--text-secondary);margin-bottom:var(--spacing-md);text-transform:uppercase;letter-spacing:.5px;font-weight:700}.stat-card .value{font-size:36px;font-weight:800;background:linear-gradient(135deg,var(--primary-color) 0%,var(--accent-color) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.error{color:#c62828;padding:var(--spacing-md);background-color:#ffebee;border-left:4px solid var(--error-color);border-radius:var(--radius-sm);margin-bottom:var(--spacing-md);font-weight:500}.success{color:#2e7d32;padding:var(--spacing-md);background-color:#e8f5e9;border-left:4px solid var(--success-color);border-radius:var(--radius-sm);margin-bottom:var(--spacing-md);font-weight:500}.loading{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary);font-size:18px;font-weight:500}h2{color:var(--text-primary);font-size:28px;font-weight:700;margin-bottom:var(--spacing-lg);position:relative;padding-bottom:var(--spacing-sm)}h2:after{content:"";position:absolute;bottom:0;left:0;width:60px;height:4px;background:linear-gradient(to right,var(--primary-color),var(--accent-color));border-radius:2px}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-color) 0%,var(--accent-color) 100%);padding:var(--spacing-lg)}.login-card{max-width:450px;width:100%;background:var(--card-background);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-lg)}.login-header{text-align:center;margin-bottom:var(--spacing-xl)}.login-header h2{font-size:32px;margin-bottom:var(--spacing-sm)}.login-header h2:after{display:none}.login-header p{color:var(--text-secondary);font-size:14px}.login-toggle{text-align:center;margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--border-color);color:var(--text-secondary)}.login-toggle a{color:var(--primary-color);text-decoration:none;font-weight:600;transition:color .2s ease}.login-toggle a:hover{color:var(--accent-color);text-decoration:underline}.btn[disabled]{opacity:.6;cursor:not-allowed}.btn[disabled]:hover{transform:none;box-shadow:var(--shadow-sm)}