/**
 * Button Components
 * Remote Madam Design System
 */

/* ============================================
   BUTTON BASE
   ============================================ */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--spacing-2);
	padding: var(--spacing-3) var(--spacing-6);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	font-family: var(--font-body);
	border-radius: var(--radius-button);
	border: none;
	cursor: pointer;
	transition: all var(--transition-fast) ease;
	text-decoration: none;
	white-space: nowrap;
}

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

/* ============================================
   BUTTON SIZES
   ============================================ */

.btn--sm {
	padding: var(--spacing-2) var(--spacing-4);
	font-size: var(--font-size-xs);
}

.btn--md {
	padding: var(--spacing-3) var(--spacing-6);
	font-size: var(--font-size-sm);
}

.btn--lg {
	padding: var(--spacing-4) var(--spacing-8);
	font-size: var(--font-size-base);
}

.btn--xl {
	padding: var(--spacing-5) var(--spacing-10);
	font-size: var(--font-size-lg);
}

/* ============================================
   BUTTON VARIANTS
   ============================================ */

.btn--primary {
	background: var(--gradient-primary);
	color: var(--color-white);
	box-shadow: 0 4px 12px rgba(245, 93, 174, 0.3);
}

.btn--primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(245, 93, 174, 0.4);
}

.btn--primary:active {
	transform: translateY(0);
}

.btn--secondary {
	background-color: var(--color-surface);
	color: var(--color-white);
	border: 1px solid var(--color-border);
}

.btn--secondary:hover {
	background-color: var(--color-surface-hover);
	border-color: var(--color-border-hover);
}

.btn--accent {
	background: var(--gradient-accent);
	color: var(--color-white);
	box-shadow: 0 4px 12px rgba(108, 99, 255, 0.3);
}

.btn--accent:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(108, 99, 255, 0.4);
}

.btn--ghost {
	background-color: transparent;
	color: var(--color-white);
}

.btn--ghost:hover {
	background-color: var(--color-surface-hover);
}

.btn--outline {
	background-color: transparent;
	color: var(--color-white);
	border: 1px solid var(--color-border);
}

.btn--outline:hover {
	background-color: var(--color-surface-hover);
	border-color: var(--color-border-hover);
}

/* ============================================
   BUTTON WITH ICON
   ============================================ */

.btn__icon {
	width: 20px;
	height: 20px;
}

.btn--icon-only {
	padding: var(--spacing-3);
	width: 40px;
	height: 40px;
}

.btn--icon-only.btn--sm {
	width: 32px;
	height: 32px;
	padding: var(--spacing-2);
}

.btn--icon-only.btn--lg {
	width: 48px;
	height: 48px;
	padding: var(--spacing-4);
}

/* ============================================
   BUTTON GROUP
   ============================================ */

.btn-group {
	display: inline-flex;
	gap: var(--spacing-2);
}

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

/* ============================================
   BUTTON LOADING
   ============================================ */

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

.btn--loading::after {
	content: '';
	position: absolute;
	width: 16px;
	height: 16px;
	border: 2px solid var(--color-white);
	border-top-color: transparent;
	border-radius: var(--radius-full);
	animation: spin 0.6s linear infinite;
}

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

/* ============================================
   SOCIAL BUTTONS
   ============================================ */

.btn--google {
	background-color: #DB4437;
	color: var(--color-white);
}

.btn--google:hover {
	background-color: #C23321;
}

.btn--facebook {
	background-color: #4267B2;
	color: var(--color-white);
}

.btn--facebook:hover {
	background-color: #365899;
}

.btn--twitter {
	background-color: #1DA1F2;
	color: var(--color-white);
}

.btn--twitter:hover {
	background-color: #0C85D0;
}

.btn--linkedin {
	background-color: #0077B5;
	color: var(--color-white);
}

.btn--linkedin:hover {
	background-color: #005885;
}

/* ============================================
   ICON BUTTON
   ============================================ */

.icon-btn {
	width: 40px;
	height: 40px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background-color: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	color: var(--color-muted);
	transition: all var(--transition-fast) ease;
}

.icon-btn:hover {
	background-color: var(--color-surface-hover);
	border-color: var(--color-border-hover);
	color: var(--color-white);
}

.icon-btn--active {
	background-color: var(--color-primary-light);
	border-color: var(--color-primary);
	color: var(--color-primary);
}

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

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

/* ============================================
   FAB (Floating Action Button)
   ============================================ */

.fab {
	position: fixed;
	bottom: var(--spacing-6);
	right: var(--spacing-6);
	width: 56px;
	height: 56px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--gradient-primary);
	color: var(--color-white);
	border-radius: var(--radius-full);
	box-shadow: var(--shadow-xl);
	z-index: var(--z-fixed);
	transition: all var(--transition-base) ease;
}

.fab:hover {
	transform: scale(1.1);
	box-shadow: var(--shadow-2xl);
}

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

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
	.btn--lg {
		padding: var(--spacing-3) var(--spacing-6);
		font-size: var(--font-size-sm);
	}

	.btn--xl {
		padding: var(--spacing-4) var(--spacing-8);
		font-size: var(--font-size-base);
	}
}