/* assets/css/utilities.css v1.0.7 */
/* Utility Classes - Buttons, Toast, Helpers */

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(white, transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.btn:hover::after {
    opacity: 0.1;
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.85rem;
    min-height: 44px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.btn { flex: 1; justify-content: center; }

@media (max-width: 768px) {
    .btn { flex: 1; justify-content: center; }
    .btn-sm { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .btn-sm { width: 100%; justify-content: center; }
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    font-size: 0.9rem;
    font-weight: 500;
}

.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { 
    background: linear-gradient(135deg, var(--error-color) 0%, #dc2626 100%);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}