/**
 * Button Component
 * Unified button styles with semantic modifiers
 */

/* Base Button */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary-medium);
    font-size: var(--font-size-md);
    line-height: 1.2;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Style Variants */
.button.primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.button.primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.button.secondary {
    background: var(--color-secondary-light);
    color: var(--color-text);
}

.button.secondary:hover:not(:disabled) {
    background: var(--color-secondary);
    color: var(--color-text-dark);
}

.button.outline {
    background: transparent;
    border-color: var(--color-border-dark);
    color: var(--color-text);
}

.button.outline:hover:not(:disabled) {
    background: var(--color-background-subtle);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.button.ghost {
    background: transparent;
    border-color: transparent;
    color: var(--color-text-light);
}

.button.ghost:hover:not(:disabled) {
    background: var(--color-background-subtle);
    color: var(--color-text);
}

/* Size Variants */
.button.small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.button.large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.button.block {
    display: flex;
    width: 100%;
}

/* Special Variants */
.button.ai-theme {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.button.ai-theme:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
}

.button.tertiary {
    background: var(--color-tertiary-light);
    color: var(--color-text);
}

.button.tertiary:hover:not(:disabled) {
    background: var(--color-tertiary-medium);
}

.button.danger,
.button.destructive {
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
}

.button.danger:hover:not(:disabled),
.button.destructive:hover:not(:disabled) {
    background: var(--color-danger);
    color: var(--color-text-inverse);
}

.button.icon-only {
    padding: 0;
    width: 32px;
    height: 32px;
    min-width: unset;
    border-radius: 50%;
}

.button.icon-only.large {
    width: 40px;
    height: 40px;
}

.button.icon-only i {
    text-align: center;
}

/* Aliases for backward compatibility relative to legacy buttons.css */
.button.full-width {
    display: flex;
    width: 100%;
}

.button.simple {
    background: transparent;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.button.simple:hover:not(:disabled) {
    color: var(--color-primary);
    background: var(--color-background-subtle);
}

.button.loading {
    cursor: wait;
}

/* Button Groups & Mobile Responsiveness */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    /* Only force full width for buttons inside cta-buttons or explicit block buttons */
    .cta-buttons .button {
        width: 100%;
        display: flex;
    }
}