:root{--bs-primary: #1f2937;--bs-primary-rgb: 31, 41, 55;--bs-secondary: #64748b;--bs-secondary-rgb: 100, 116, 139;--bs-success: #059669;--bs-success-rgb: 5, 150, 105;--bs-warning: #d97706;--bs-warning-rgb: 217, 119, 6;--bs-danger: #dc2626;--bs-danger-rgb: 220, 38, 38;--bs-info: #0891b2;--bs-info-rgb: 8, 145, 178;--bs-light: #f8fafc;--bs-light-rgb: 248, 250, 252;--bs-dark: #1e293b;--bs-dark-rgb: 30, 41, 59}.bg-gradient-primary{background:linear-gradient(135deg,#93c5fd,#dbeafe)}.bg-gradient-secondary{background:linear-gradient(135deg,var(--bs-secondary) 0%,#94a3b8 100%)}.bg-gradient-success{background:linear-gradient(135deg,var(--bs-success) 0%,#10b981 100%)}.btn-primary{--bs-btn-bg: var(--bs-primary);--bs-btn-border-color: var(--bs-primary);--bs-btn-hover-bg: #1d4ed8;--bs-btn-hover-border-color: #1d4ed8}.card:hover{transform:translateY(-2px);transition:all .3s ease;box-shadow:0 4px 20px #0000001a}.navbar-brand{font-weight:600;font-size:1.25rem}.stats-card{background:linear-gradient(135deg,#fff,#f8fafc);border:1px solid #e2e8f0;border-radius:12px;padding:1.5rem;transition:all .3s ease}.stats-card:hover{border-color:var(--bs-primary);box-shadow:0 4px 12px #2563eb1a}.badge{font-weight:500;border-radius:6px}.theme-elegant .card{background:linear-gradient(145deg,#fff,#f8fafc);border:1px solid #e5e7eb;box-shadow:0 2px 4px #0000000d}.theme-elegant .card:hover{border-color:var(--bs-primary);box-shadow:0 8px 25px #1f293726}.theme-elegant .navbar-dark{background:linear-gradient(135deg,var(--bs-primary) 0%,#374151 100%)!important;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.theme-elegant .btn-primary{background:linear-gradient(135deg,var(--bs-primary) 0%,#374151 100%);border:none;box-shadow:0 4px 15px #1f29374d;transition:all .3s ease}.theme-elegant .btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1f293766}.theme-elegant .bg-gradient-primary{background:linear-gradient(135deg,var(--bs-primary) 0%,#374151 100%)}.theme-elegant .text-primary{color:var(--bs-primary)!important}