/**
 * Buttons Component
 * 
 * Button styles and variations
 */

/* ==========================================================================
   Base Button Styles
   ========================================================================== */
.btn,
button,
input[type="submit"],
input[type="button"],
input[type="reset"],
.wp-block-button__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Focus styles */
.btn:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Disabled state */
.btn:disabled,
button:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================================================
   Button Variants
   ========================================================================== */

/* Primary Button */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--color-text-inverse, white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--color-text-inverse, white);
}

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

/* Outline Button */
.btn-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--color-text-inverse, white);
    transform: translateY(-2px);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--primary-color);
}

.btn-ghost:hover {
    background-color: var(--color-bg-accent, rgba(0, 134, 123, 0.1));
}

/* White Button */
.btn-white {
    background-color: var(--color-bg-primary, white);
    border-color: var(--color-bg-primary, white);
    color: var(--primary-color);
}

.btn-white:hover {
    background-color: var(--light-gray);
    border-color: var(--light-gray);
    transform: translateY(-2px);
}

/* ==========================================================================
   Button Sizes
   ========================================================================== */

/* Small */
.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
}

/* Large */
.btn-lg {
    padding: var(--space-md) var(--space-2xl);
    font-size: 1.125rem;
}

/* Extra Large */
.btn-xl {
    padding: var(--space-lg) var(--space-3xl);
    font-size: 1.25rem;
}

/* ==========================================================================
   Button Shapes
   ========================================================================== */

/* Rounded */
.btn-rounded {
    border-radius: var(--radius-full);
}

/* Square */
.btn-square {
    border-radius: 0;
}

/* Icon Button */
.btn-icon {
    padding: var(--space-sm);
    width: 40px;
    height: 40px;
}

.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}

.btn-icon.btn-lg {
    width: 48px;
    height: 48px;
}

/* ==========================================================================
   Button States
   ========================================================================== */

/* Loading */
.btn-loading {
    color: transparent;
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid var(--color-text-inverse, white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: button-loading-spinner 0.8s linear infinite;
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

/* ==========================================================================
   Button Groups
   ========================================================================== */

.btn-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.btn-group-vertical {
    flex-direction: column;
    align-items: stretch;
}

.btn-group-vertical .btn {
    width: 100%;
}

/* Connected buttons */
.btn-group-connected {
    gap: 0;
}

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

.btn-group-connected .btn:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.btn-group-connected .btn:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.btn-group-connected .btn:not(:last-child) {
    border-right-width: 0;
}

/* ==========================================================================
   Icon Buttons
   ========================================================================== */

.btn-with-icon {
    gap: var(--space-sm);
}

.btn-with-icon svg {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
}

.btn-icon-right {
    flex-direction: row-reverse;
}

/* ==========================================================================
   CTA Buttons
   ========================================================================== */

.cta-button {
    background-color: var(--primary-color);
    color: var(--color-text-inverse, white);
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button-secondary:hover {
    background-color: var(--primary-color);
    color: var(--color-text-inverse, white);
}

/* ==========================================================================
   Social Buttons
   ========================================================================== */

.social-buttons {
    display: flex;
    gap: var(--space-sm);
}

.social-button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-gray);
    border-radius: var(--radius-full);
    color: var(--text-color);
    transition: all var(--transition-base);
}

.social-button:hover {
    transform: translateY(-2px);
}

.social-button svg {
    width: 20px;
    height: 20px;
}

/* Social brand colors */
.social-button-facebook:hover {
    background-color: #1877f2;
    color: var(--color-text-inverse, white);
}

.social-button-twitter:hover {
    background-color: #1da1f2;
    color: var(--color-text-inverse, white);
}

.social-button-linkedin:hover {
    background-color: #0077b5;
    color: var(--color-text-inverse, white);
}

.social-button-instagram:hover {
    background-color: #e4405f;
    color: var(--color-text-inverse, white);
}

/* ==========================================================================
   Responsive Buttons
   ========================================================================== */

@media (max-width: 768px) {
    /* Full width on mobile */
    .btn-mobile-full {
        width: 100%;
    }
    
    /* Smaller padding on mobile */
    .btn {
        padding: var(--space-sm) var(--space-md);
    }
    
    .btn-lg {
        padding: var(--space-md) var(--space-lg);
    }
    
    /* Stack button groups on mobile */
    .btn-group-mobile-stack {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group-mobile-stack .btn {
        width: 100%;
    }
}

/* Touch-friendly sizes */
@media (hover: none) and (pointer: coarse) {
    .btn,
    button {
        min-height: var(--touch-target-min);
    }
}