/**
 * TFS Site Manager - Utility Classes
 *
 * Common utility styles used across all components to eliminate duplication
 * and improve maintainability. This file should be loaded before other CSS files.
 *
 * @package TFS\SiteManager\Assets
 * @since 2.0.0
 */

/* ==========================================================================
   Button Styles - Core Utilities
   ========================================================================== */

.tfs-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--tfs-space-2);
	padding: var(--tfs-space-3) var(--tfs-space-5);
	border: 1px solid transparent;
	border-radius: var(--tfs-radius-lg);
	text-decoration: none;
	cursor: pointer;
	font-size: var(--tfs-text-sm);
	font-weight: var(--tfs-font-medium);
	line-height: 1.4;
	text-align: center;
	background: none;
	transition: all var(--tfs-transition-normal);
	outline: none;
	position: relative;
	overflow: hidden;
	white-space: nowrap;
	font-family: var(--tfs-font-family);
}

/* Dashicon styling in buttons */
.tfs-btn .dashicons,
.btn .dashicons {
	font-size: 16px;
	width: 16px;
	height: 16px;
	line-height: 1;
	display: inline-block;
	vertical-align: middle;
	margin: 0;
}

/* Button interaction states */
.tfs-btn:hover {
	text-decoration: none;
	transform: translateY(-1px);
	box-shadow: var(--tfs-shadow-md);
}

.tfs-btn:focus {
	outline: 2px solid var(--tfs-primary-500);
	outline-offset: 2px;
}

.tfs-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	pointer-events: none;
	transform: none;
	box-shadow: none;
}

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

/* Primary Button */
.tfs-btn-primary {
	background-color: var(--tfs-primary-600);
	border-color: var(--tfs-primary-600);
	color: #ffffff;
}

.tfs-btn-primary:hover {
	background-color: var(--tfs-primary-700);
	border-color: var(--tfs-primary-700);
	color: #ffffff;
}

/* Secondary Button */
.tfs-btn-secondary {
	background-color: var(--tfs-gray-600);
	border-color: var(--tfs-gray-600);
	color: #ffffff;
}

.tfs-btn-secondary:hover {
	background-color: var(--tfs-gray-700);
	border-color: var(--tfs-gray-700);
	color: #ffffff;
}

/* Success Button */
.tfs-btn-success {
	background-color: var(--tfs-success);
	border-color: var(--tfs-success);
	color: #ffffff;
}

.tfs-btn-success:hover {
	background-color: #059669;
	border-color: #059669;
	color: #ffffff;
}

/* Danger Button */
.tfs-btn-danger {
	background-color: var(--tfs-danger);
	border-color: var(--tfs-danger);
	color: #ffffff;
}

.tfs-btn-danger:hover {
	background-color: #dc2626;
	border-color: #dc2626;
	color: #ffffff;
}

/* Warning Button */
.tfs-btn-warning {
	background-color: var(--tfs-warning);
	border-color: var(--tfs-warning);
	color: #ffffff;
}

.tfs-btn-warning:hover {
	background-color: #d97706;
	border-color: #d97706;
	color: #ffffff;
}

/* Info Button */
.tfs-btn-info {
	background-color: var(--tfs-info);
	border-color: var(--tfs-info);
	color: #ffffff;
}

.tfs-btn-info:hover {
	background-color: #0891b2;
	border-color: #0891b2;
	color: #ffffff;
}

/* Light Button */
.tfs-btn-light {
	background-color: var(--tfs-gray-100);
	border-color: var(--tfs-gray-100);
	color: var(--tfs-text-primary);
}

.tfs-btn-light:hover {
	background-color: var(--tfs-gray-200);
	border-color: var(--tfs-gray-200);
	color: var(--tfs-text-primary);
}

/* Dark Button */
.tfs-btn-dark {
	background-color: var(--tfs-gray-800);
	border-color: var(--tfs-gray-800);
	color: #ffffff;
}

.tfs-btn-dark:hover {
	background-color: var(--tfs-gray-900);
	border-color: var(--tfs-gray-900);
	color: #ffffff;
}

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

.tfs-btn-outline {
	background-color: transparent;
	border-color: var(--tfs-border-secondary);
	color: var(--tfs-text-secondary);
}

.tfs-btn-outline:hover {
	background-color: var(--tfs-bg-secondary);
	border-color: var(--tfs-border-primary);
	color: var(--tfs-text-primary);
}

.tfs-btn-outline-primary {
	background-color: transparent;
	border-color: var(--tfs-primary-500);
	color: var(--tfs-primary-500);
}

.tfs-btn-outline-primary:hover {
	background-color: var(--tfs-primary-500);
	border-color: var(--tfs-primary-500);
	color: #ffffff;
}

.tfs-btn-outline-secondary {
	background-color: transparent;
	border-color: var(--tfs-gray-600);
	color: var(--tfs-gray-600);
}

.tfs-btn-outline-secondary:hover {
	background-color: var(--tfs-gray-600);
	border-color: var(--tfs-gray-600);
	color: #ffffff;
}

.tfs-btn-outline-danger {
	background-color: transparent;
	border-color: var(--tfs-danger);
	color: var(--tfs-danger);
}

.tfs-btn-outline-danger:hover {
	background-color: var(--tfs-danger);
	border-color: var(--tfs-danger);
	color: #ffffff;
}

.tfs-btn-outline-success {
	background-color: transparent;
	border-color: var(--tfs-success);
	color: var(--tfs-success);
}

.tfs-btn-outline-success:hover {
	background-color: var(--tfs-success);
	border-color: var(--tfs-success);
	color: #ffffff;
}

/* ==========================================================================
   Ghost/Text Button Variants
   ========================================================================== */

.tfs-btn-ghost {
	background-color: transparent;
	border-color: transparent;
	color: var(--tfs-text-secondary);
}

.tfs-btn-ghost:hover {
	background-color: var(--tfs-gray-100);
	border-color: transparent;
	color: var(--tfs-text-primary);
}

.tfs-btn-link {
	background-color: transparent;
	border-color: transparent;
	color: var(--tfs-primary-500);
	text-decoration: underline;
}

.tfs-btn-link:hover {
	background-color: transparent;
	border-color: transparent;
	color: var(--tfs-primary-600);
	text-decoration: underline;
}

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

.tfs-btn-xs {
	padding: var(--tfs-space-1) var(--tfs-space-2);
	font-size: var(--tfs-text-xs);
	line-height: 1.3;
}

.tfs-btn-sm,
.tfs-btn-small {
	padding: var(--tfs-space-2) var(--tfs-space-3);
	font-size: var(--tfs-text-xs);
	line-height: 1.4;
}

.tfs-btn-lg,
.tfs-btn-large {
	padding: var(--tfs-space-4) var(--tfs-space-6);
	font-size: var(--tfs-text-base);
	line-height: 1.5;
}

.tfs-btn-xl {
	padding: var(--tfs-space-5) var(--tfs-space-8);
	font-size: var(--tfs-text-lg);
	line-height: 1.5;
}

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

.tfs-btn:disabled,
.tfs-btn.disabled {
	opacity: 0.6;
	cursor: not-allowed;
	pointer-events: none;
	transform: none;
	box-shadow: none;
}

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

.tfs-btn.loading::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 16px;
	height: 16px;
	border: 2px solid currentColor;
	border-top: 2px solid transparent;
	border-radius: 50%;
	animation: tfs-spin 1s linear infinite;
	transform: translate(-50%, -50%);
	opacity: 0.8;
}

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

.tfs-btn-group {
	display: inline-flex;
	border-radius: var(--tfs-radius-md);
	overflow: hidden;
	box-shadow: var(--tfs-shadow-sm);
}

.tfs-btn-group .tfs-btn {
	border-radius: 0;
	margin: 0;
	box-shadow: none;
}

.tfs-btn-group .tfs-btn:not(:first-child) {
	border-left: 0;
}

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

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

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

.tfs-btn-icon {
	padding: var(--tfs-space-3);
	width: 48px;
	height: 48px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.tfs-btn-icon.tfs-btn-sm {
	width: 40px;
	height: 40px;
	padding: var(--tfs-space-2);
}

.tfs-btn-icon.tfs-btn-lg {
	width: 56px;
	height: 56px;
	padding: var(--tfs-space-4);
}

/* Full Width Buttons */
.tfs-btn-block {
	display: flex;
	width: 100%;
	justify-content: center;
}

/* ==========================================================================
   Form Utilities
   ========================================================================== */

.tfs-form {
	display: flex;
	flex-direction: column;
	gap: var(--tfs-space-4);
}

.tfs-form-group {
	display: flex;
	flex-direction: column;
	gap: var(--tfs-space-2);
}

.tfs-form-row {
	display: flex;
	gap: var(--tfs-space-4);
	align-items: flex-end;
}

.tfs-form-inline {
	display: flex;
	gap: var(--tfs-space-3);
	align-items: flex-end;
	flex-wrap: wrap;
}

.tfs-form-inline .tfs-btn {
	margin-top: auto;
}

.tfs-form-grid {
	display: grid;
	gap: var(--tfs-space-4);
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.tfs-form-actions {
	display: flex;
	gap: var(--tfs-space-3);
	justify-content: flex-end;
	align-items: center;
	margin-top: var(--tfs-space-6);
	padding-top: var(--tfs-space-6);
	border-top: 1px solid var(--tfs-border-secondary);
}

/* ==========================================================================
   Alert/Message Utilities
   ========================================================================== */

.tfs-alert {
	padding: var(--tfs-space-4);
	border: 1px solid transparent;
	border-radius: var(--tfs-radius-md);
	margin-bottom: var(--tfs-space-4);
	display: flex;
	align-items: flex-start;
	gap: var(--tfs-space-3);
}

.tfs-alert-success {
	background-color: rgba(34, 197, 94, 0.1);
	border-color: rgba(34, 197, 94, 0.2);
	color: #166534;
}

.tfs-alert-warning {
	background-color: rgba(251, 191, 36, 0.1);
	border-color: rgba(251, 191, 36, 0.2);
	color: #92400e;
}

.tfs-alert-error,
.tfs-alert-danger {
	background-color: rgba(239, 68, 68, 0.1);
	border-color: rgba(239, 68, 68, 0.2);
	color: #991b1b;
}

.tfs-alert-info {
	background-color: var(--ref-gray-100);
	border-color: var(--ref-gray-300);
	color: var(--color-text-default);
}

.tfs-notice {
	padding: var(--tfs-space-3);
	border-left: 4px solid;
	background-color: var(--tfs-bg-secondary);
	margin-bottom: var(--tfs-space-4);
}

.tfs-notice-success {
	border-left-color: var(--tfs-success);
}

.tfs-notice-warning {
	border-left-color: var(--tfs-warning);
}

.tfs-notice-error {
	border-left-color: var(--tfs-danger);
}

.tfs-notice-info {
	border-left-color: var(--tfs-info);
}

/* ==========================================================================
   Animation Utilities
   ========================================================================== */

@keyframes tfs-spin {
	from {
		transform: translate(-50%, -50%) rotate(0deg);
	}
	to {
		transform: translate(-50%, -50%) rotate(360deg);
	}
}

@keyframes tfs-fade-in {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes tfs-slide-down {
	from {
		opacity: 0;
		transform: translateY(-10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
	.tfs-btn {
		padding: var(--tfs-space-2) var(--tfs-space-4);
		font-size: var(--tfs-text-xs);
	}

	.tfs-btn-sm {
		padding: var(--tfs-space-1) var(--tfs-space-2);
		font-size: 11px;
	}

	.tfs-btn-lg {
		padding: var(--tfs-space-3) var(--tfs-space-5);
		font-size: var(--tfs-text-sm);
	}

	.tfs-form-actions .tfs-btn {
		width: 100%;
		justify-content: center;
	}

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

	.tfs-btn-group .tfs-btn {
		border-radius: var(--tfs-radius-md);
		border: 1px solid;
		margin-bottom: var(--tfs-space-1);
	}

	.tfs-btn-group .tfs-btn:last-child {
		margin-bottom: 0;
	}

	.tfs-form-inline {
		flex-direction: column;
		align-items: stretch;
	}

	.tfs-form-actions {
		flex-direction: column;
		align-items: stretch;
	}

	.tfs-btn-icon {
		width: 44px;
		height: 44px;
		padding: var(--tfs-space-2);
	}
}

/* Small mobile devices */
@media (max-width: 480px) {
	.tfs-btn {
		padding: var(--tfs-space-2) var(--tfs-space-3);
	}

	.tfs-alert {
		padding: var(--tfs-space-3);
	}

	.tfs-form-actions {
		padding-top: var(--tfs-space-4);
		margin-top: var(--tfs-space-4);
	}
}

/* High contrast mode support */
@media (prefers-contrast: high) {
	.tfs-btn-primary {
		background: var(--color-action-primary);
	}

	.tfs-btn-outline {
		border-width: 2px;
	}

	.tfs-alert {
		border-width: 2px;
	}
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
	.tfs-btn,
	.tfs-btn-group .tfs-btn {
		transition: none;
	}

	.tfs-btn.loading::after {
		animation: none;
	}

	.tfs-btn:hover {
		transform: none;
	}
}