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var(--border-color)}.card-title{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.card-body{color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);text-decoration:none;min-height:44px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--border-color)}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover:not(:disabled){background:var(--primary-color);color:#fff}.btn-sm{padding:.5rem 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var(--success-color)}.alert-error{background:#fee2e2;color:#991b1b;border-left:4px solid var(--danger-color)}.alert-warning{background:#fef3c7;color:#92400e;border-left:4px solid var(--warning-color)}.alert-info{background:#dbeafe;color:#1e40af;border-left:4px solid var(--info-color)}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;backdrop-filter:blur(4px);z-index:1000;overflow-y:auto}.modal.active{display:flex;align-items:center;justify-content:center;padding:1rem}.modal-content{background:var(--bg-secondary);border-radius:var(--radius-xl);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid 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