/* ==================== BUTTONS COMPONENT ==================== */
/* Base Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-secondary, #1f2a44);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary, 0 4px 12px rgba(242,168,58,0.3));
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
    color: var(--color-white, #ffffff);
}

.btn-secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1));
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: white;
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-success, 0 4px 12px rgba(16,185,129,0.3));
}

.btn-error {
    background: linear-gradient(135deg, var(--color-error), var(--color-error-dark));
    color: white;
}

.btn-error:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-error, 0 4px 12px rgba(239,68,68,0.3));
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning), var(--color-warning-dark));
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary, #f2a83a);
    color: var(--color-primary, #f2a83a);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary, #f2a83a);
    color: var(--color-secondary, #1f2a44);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600, #475569);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-gray-100, #f1f5f9);
    color: var(--color-primary, #f2a83a);
}

/* Button Sizes */
.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
    gap: 6px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    gap: 10px;
}

.btn-xl {
    padding: 16px 40px;
    font-size: 1.1rem;
    gap: 12px;
}

/* Full Width Button */
.btn-block {
    width: 100%;
    display: flex;
}

/* Icon Only Button */
.btn-icon-only {
    padding: 12px;
    border-radius: 50%;
}

.btn-icon-only.btn-sm {
    padding: 8px;
}

.btn-icon-only.btn-lg {
    padding: 14px;
}

/* Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading .btn-spinner {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-loading .btn-text {
    visibility: hidden;
}

.btn-outline.btn-loading .btn-spinner {
    border: 2px solid rgba(242,168,58,0.3);
    border-top-color: var(--color-primary);
}

/* Button Group */
.btn-group {
    display: inline-flex;
    border-radius: 12px;
    overflow: hidden;
}

.btn-group .btn {
    border-radius: 0;
    margin: 0;
}

.btn-group .btn:first-child {
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
}

.btn-group .btn:last-child {
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
}

.btn-group .btn:not(:last-child) {
    border-right: 1px solid rgba(0,0,0,0.1);
}

/* Floating Action Button */
.btn-fab {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    padding: 0;
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1));
    z-index: 100;
}

.btn-fab.btn-sm {
    width: 48px;
    height: 48px;
}

.btn-fab.btn-lg {
    width: 64px;
    height: 64px;
}

.btn-fab i {
    font-size: 1.3rem;
}

/* Social Buttons */
.btn-social {
    background: var(--color-white, #ffffff);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    color: var(--color-gray-700, #334155);
}

.btn-social:hover {
    background: var(--color-gray-50, #f8fafc);
    border-color: var(--color-primary, #f2a83a);
}

.btn-social i {
    font-size: 1.1rem;
}

.btn-google i { color: #db4437; }
.btn-facebook i { color: #4267b2; }
.btn-apple i { color: #000000; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .btn-sm {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .btn-lg {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .btn-fab {
        bottom: 80px;
        right: 16px;
        width: 48px;
        height: 48px;
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}