/**
 * Mubarak4u Tools - Shared Tool Styles
 *
 * Utilizes theme CSS custom properties with fallbacks for standalone compatibility.
 * Responsive, dark-mode aware, high-contrast, WCAG AA compliant.
 */

:root {
	--m4u-primary: var(--m4y-primary, #2563eb);
	--m4u-primary-hover: var(--m4y-primary-hover, #1d4ed8);
	--m4u-surface: var(--m4y-surface, #ffffff);
	--m4u-surface-alt: var(--m4y-surface-alt, #f8fafc);
	--m4u-text: var(--m4y-text, #0f172a);
	--m4u-text-muted: var(--m4y-text-muted, #64748b);
	--m4u-border: var(--m4y-border, #e2e8f0);
	--m4u-border-focus: var(--m4y-primary, #2563eb);
	--m4u-radius: var(--m4y-radius, 8px);
	--m4u-radius-lg: var(--m4y-radius-lg, 12px);
	--m4u-shadow: var(--m4y-shadow, 0 4px 6px -1px rgba(0, 0, 0, 0.05));
	--m4u-success: #16a34a;
	--m4u-danger: #dc2626;
	--m4u-warning: #d97706;
}

[data-theme="dark"] {
	--m4u-surface: var(--m4y-surface, #1e293b);
	--m4u-surface-alt: var(--m4y-surface-alt, #0f172a);
	--m4u-text: var(--m4y-text, #f8fafc);
	--m4u-text-muted: var(--m4y-text-muted, #94a3b8);
	--m4u-border: var(--m4y-border, #334155);
}

/* Tool Container */
.m4u-tool-container {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	width: 100%;
	color: var(--m4u-text);
}

/* Form Groups & Labels */
.m4u-form-group {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	width: 100%;
}

.m4u-label {
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--m4u-text);
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.m4u-label-hint {
	font-size: 0.8125rem;
	font-weight: 400;
	color: var(--m4u-text-muted);
}

/* Inputs, Textareas, Selects */
.m4u-input,
.m4u-textarea,
.m4u-select {
	width: 100%;
	font-family: inherit;
	font-size: 1rem;
	line-height: 1.5;
	padding: 0.75rem 1rem;
	color: var(--m4u-text);
	background-color: var(--m4u-surface-alt);
	border: 1px solid var(--m4u-border);
	border-radius: var(--m4u-radius);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	min-height: 44px;
	box-sizing: border-box;
}

.m4u-input:focus,
.m4u-textarea:focus,
.m4u-select:focus {
	outline: none;
	border-color: var(--m4u-border-focus);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.m4u-textarea {
	min-height: 140px;
	resize: vertical;
}

/* Grid Layouts */
.m4u-grid-2 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.m4u-grid-3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1rem;
}

@media (max-width: 640px) {
	.m4u-grid-2,
	.m4u-grid-3 {
		grid-template-columns: 1fr;
	}
}

/* Action Bars & Buttons */
.m4u-action-bar {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	align-items: center;
	margin-top: 0.5rem;
}

.m4u-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	min-height: 44px;
	padding: 0.625rem 1.25rem;
	font-size: 0.9375rem;
	font-weight: 600;
	line-height: 1.25;
	border-radius: var(--m4u-radius);
	cursor: pointer;
	text-decoration: none;
	transition: all 0.15s ease;
	border: 1px solid transparent;
}

.m4u-btn-primary {
	background-color: var(--m4u-primary);
	color: #ffffff;
}

.m4u-btn-primary:hover {
	background-color: var(--m4u-primary-hover);
}

.m4u-btn-secondary {
	background-color: var(--m4u-surface-alt);
	color: var(--m4u-text);
	border-color: var(--m4u-border);
}

.m4u-btn-secondary:hover {
	background-color: var(--m4u-border);
}

.m4u-btn-outline {
	background-color: transparent;
	color: var(--m4u-primary);
	border-color: var(--m4u-primary);
}

.m4u-btn-outline:hover {
	background-color: var(--m4u-primary);
	color: #ffffff;
}

/* Result Box */
.m4u-result-box {
	background-color: var(--m4u-surface-alt);
	border: 1px solid var(--m4u-border);
	border-radius: var(--m4u-radius-lg);
	padding: 1.25rem;
	position: relative;
}

.m4u-result-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 0.75rem;
}

.m4u-result-title {
	font-size: 0.9375rem;
	font-weight: 700;
	color: var(--m4u-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.m4u-result-value {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--m4u-text);
	word-break: break-word;
	line-height: 1.6;
}

/* Statistics Strip */
.m4u-stats-strip {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	background: var(--m4u-surface-alt);
	padding: 0.75rem 1rem;
	border-radius: var(--m4u-radius);
	border: 1px solid var(--m4u-border);
	font-size: 0.875rem;
}

.m4u-stat-item {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
}

.m4u-stat-label {
	color: var(--m4u-text-muted);
}

.m4u-stat-val {
	font-weight: 700;
	color: var(--m4u-text);
}

/* Switch & Radio Pills */
.m4u-pill-group {
	display: flex;
	flex-wrap: wrap;
	gap: 0.375rem;
}

.m4u-pill-btn {
	padding: 0.4rem 0.85rem;
	font-size: 0.875rem;
	font-weight: 500;
	border-radius: 9999px;
	border: 1px solid var(--m4u-border);
	background: var(--m4u-surface-alt);
	color: var(--m4u-text);
	cursor: pointer;
	min-height: 38px;
	transition: all 0.15s ease;
}

.m4u-pill-btn.active,
.m4u-pill-btn:hover {
	background: var(--m4u-primary);
	border-color: var(--m4u-primary);
	color: #ffffff;
}

/* Checkbox Toggle */
.m4u-checkbox-wrap {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	cursor: pointer;
	font-size: 0.9375rem;
	user-select: none;
	min-height: 44px;
}

.m4u-checkbox-wrap input[type="checkbox"] {
	width: 1.125rem;
	height: 1.125rem;
	cursor: pointer;
	accent-color: var(--m4u-primary);
}

/* Alert / Notices */
.m4u-alert {
	padding: 0.85rem 1rem;
	border-radius: var(--m4u-radius);
	font-size: 0.875rem;
	line-height: 1.5;
	border: 1px solid transparent;
}

.m4u-alert-info {
	background-color: rgba(37, 99, 235, 0.08);
	border-color: rgba(37, 99, 235, 0.2);
	color: var(--m4u-primary);
}

.m4u-alert-danger {
	background-color: rgba(220, 38, 38, 0.08);
	border-color: rgba(220, 38, 38, 0.2);
	color: var(--m4u-danger);
}

/* Tool Specific: Meta Description Checker Preview */
.m4u-serp-preview {
	background: #ffffff;
	border: 1px solid #dfe1e5;
	border-radius: 8px;
	padding: 1.25rem;
	font-family: Arial, sans-serif;
	box-shadow: 0 1px 6px rgba(32,33,36,0.12);
}

[data-theme="dark"] .m4u-serp-preview {
	background: #202124;
	border-color: #3c4043;
}

.m4u-serp-url-row {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 12px;
	line-height: 16px;
	color: #202124;
	margin-bottom: 4px;
}

[data-theme="dark"] .m4u-serp-url-row {
	color: #bdc1c6;
}

.m4u-serp-title {
	font-size: 20px;
	line-height: 26px;
	color: #1a0dab;
	font-weight: 400;
	margin-bottom: 4px;
	word-break: break-word;
}

[data-theme="dark"] .m4u-serp-title {
	color: #8ab4f8;
}

.m4u-serp-desc {
	font-size: 14px;
	line-height: 20px;
	color: #4d5156;
	word-break: break-word;
}

[data-theme="dark"] .m4u-serp-desc {
	color: #bdc1c6;
}

/* Meter Progress Bar */
.m4u-progress-track {
	width: 100%;
	height: 8px;
	background: var(--m4u-border);
	border-radius: 9999px;
	overflow: hidden;
	margin-top: 0.35rem;
}

.m4u-progress-fill {
	height: 100%;
	border-radius: 9999px;
	transition: width 0.2s ease, background-color 0.2s ease;
	background-color: var(--m4u-success);
}

.m4u-progress-fill.warning {
	background-color: var(--m4u-warning);
}

.m4u-progress-fill.danger {
	background-color: var(--m4u-danger);
}

/* Dropzone */
.m4u-dropzone {
	border: 2px dashed var(--m4u-border) !important;
	border-radius: 12px;
	padding: 2.25rem 1.5rem;
	text-align: center;
	background: var(--m4u-surface-alt) !important;
	cursor: pointer;
	transition: all 0.2s ease;
	margin-bottom: 1.25rem;
	color: var(--m4u-text);
}

.m4u-dropzone:hover {
	border-color: var(--m4u-primary) !important;
}

[data-theme="dark"] .m4u-dropzone {
	background: rgba(255, 255, 255, 0.04) !important;
	border-color: #334155 !important;
}