/**
 * Cfake Tools Core — Interactive Tool Engine Stylesheet
 * Responsive, accessible, lightweight CSS for multi-tool interfaces.
 */

:root {
	--cfake-primary: #06B6D4;
	--cfake-primary-hover: #0891B2;
	--cfake-bg: #0B0F19;
	--cfake-surface: #111827;
	--cfake-surface-raised: #1F2937;
	--cfake-surface-border: #374151;
	--cfake-text: #F9FAFB;
	--cfake-text-muted: #9CA3AF;
	--cfake-success: #10B981;
	--cfake-warning: #F59E0B;
	--cfake-danger: #EF4444;
	--cfake-radius-sm: 6px;
	--cfake-radius-md: 10px;
	--cfake-radius-lg: 14px;
	--cfake-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
}

.cfake-tool-container {
	background: var(--cfake-surface);
	border: 1px solid var(--cfake-surface-border);
	border-radius: var(--cfake-radius-lg);
	padding: 28px;
	margin: 24px 0 36px 0;
	box-shadow: var(--cfake-shadow);
	color: var(--cfake-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.cfake-tool-header-card {
	margin-bottom: 24px;
	padding-bottom: 20px;
	border-bottom: 1px solid var(--cfake-surface-border);
}

.cfake-tool-badge-row {
	display: flex;
	gap: 8px;
	margin-bottom: 12px;
	flex-wrap: wrap;
}

.cfake-badge {
	display: inline-flex;
	align-items: center;
	padding: 4px 10px;
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	border-radius: 9999px;
	line-height: 1;
}

.cfake-badge-cyan {
	background: rgba(6, 182, 212, 0.15);
	color: #38BDF8;
	border: 1px solid rgba(6, 182, 212, 0.3);
}

.cfake-badge-green {
	background: rgba(16, 185, 129, 0.15);
	color: #34D399;
	border: 1px solid rgba(16, 185, 129, 0.3);
}

.cfake-badge-amber {
	background: rgba(245, 158, 11, 0.15);
	color: #FBBF24;
	border: 1px solid rgba(245, 158, 11, 0.3);
}

.cfake-tool-heading {
	font-size: 24px;
	font-weight: 700;
	margin: 0 0 8px 0;
	color: var(--cfake-text);
	letter-spacing: -0.01em;
}

.cfake-tool-lead {
	font-size: 15px;
	color: var(--cfake-text-muted);
	margin: 0;
	line-height: 1.5;
}

/* Tabs */
.cfake-tab-container {
	margin-bottom: 24px;
}

.cfake-tabs-nav {
	display: flex;
	gap: 8px;
	margin-bottom: 20px;
	border-bottom: 1px solid var(--cfake-surface-border);
	padding-bottom: 8px;
}

.cfake-tab-btn {
	background: transparent;
	border: none;
	color: var(--cfake-text-muted);
	padding: 8px 16px;
	font-size: 14px;
	font-weight: 600;
	border-radius: var(--cfake-radius-sm);
	cursor: pointer;
	transition: all 0.2s ease;
}

.cfake-tab-btn:hover {
	color: var(--cfake-text);
	background: var(--cfake-surface-raised);
}

.cfake-tab-btn.active {
	color: var(--cfake-primary);
	background: rgba(6, 182, 212, 0.1);
}

/* Dropzone */
.cfake-dropzone {
	border: 2px dashed var(--cfake-surface-border);
	border-radius: var(--cfake-radius-md);
	padding: 36px 20px;
	text-align: center;
	background: rgba(31, 41, 55, 0.4);
	cursor: pointer;
	position: relative;
	transition: all 0.25s ease;
}

.cfake-dropzone:hover,
.cfake-dropzone.dragover {
	border-color: var(--cfake-primary);
	background: rgba(6, 182, 212, 0.05);
}

.cfake-dropzone-icon {
	color: var(--cfake-primary);
	margin-bottom: 12px;
}

.cfake-dropzone-text {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.cfake-dropzone-prompt {
	font-size: 15px;
	font-weight: 600;
	color: var(--cfake-text);
}

.cfake-dropzone-sub {
	font-size: 13px;
	color: var(--cfake-text-muted);
}

.cfake-file-input {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	cursor: pointer;
}

.cfake-selected-filename {
	margin-top: 14px;
	display: inline-block;
	background: var(--cfake-surface-raised);
	padding: 6px 14px;
	border-radius: var(--cfake-radius-sm);
	font-size: 13px;
	color: #38BDF8;
	border: 1px solid var(--cfake-surface-border);
}

/* Form Controls */
.cfake-form-group {
	margin-bottom: 20px;
}

.cfake-label {
	display: block;
	font-size: 14px;
	font-weight: 600;
	margin-bottom: 8px;
	color: var(--cfake-text);
}

.cfake-input,
.cfake-textarea {
	width: 100%;
	background: var(--cfake-surface-raised);
	border: 1px solid var(--cfake-surface-border);
	border-radius: var(--cfake-radius-sm);
	color: var(--cfake-text);
	padding: 12px 14px;
	font-size: 14px;
	box-sizing: border-box;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cfake-input:focus,
.cfake-textarea:focus {
	outline: none;
	border-color: var(--cfake-primary);
	box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.cfake-input-group {
	display: flex;
	gap: 10px;
}

.cfake-input-group .cfake-input {
	flex: 1;
}

.cfake-hint {
	display: block;
	font-size: 12px;
	color: var(--cfake-text-muted);
	margin-top: 6px;
}

/* Buttons */
.cfake-form-actions {
	display: flex;
	gap: 12px;
	align-items: center;
	margin-top: 20px;
}

.cfake-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 12px 24px;
	font-size: 14px;
	font-weight: 600;
	border-radius: var(--cfake-radius-sm);
	border: none;
	cursor: pointer;
	transition: all 0.2s ease;
	text-decoration: none;
}

.cfake-btn-primary {
	background: var(--cfake-primary);
	color: #0B0F19;
}

.cfake-btn-primary:hover {
	background: var(--cfake-primary-hover);
	transform: translateY(-1px);
}

.cfake-btn-outline {
	background: transparent;
	border: 1px solid var(--cfake-surface-border);
	color: var(--cfake-text-muted);
}

.cfake-btn-outline:hover {
	background: var(--cfake-surface-raised);
	color: var(--cfake-text);
}

.cfake-btn-copy {
	background: var(--cfake-surface-raised);
	border: 1px solid var(--cfake-surface-border);
	color: var(--cfake-text);
	padding: 6px 12px;
	font-size: 12px;
	font-weight: 600;
	border-radius: var(--cfake-radius-sm);
	cursor: pointer;
	transition: all 0.2s ease;
}

.cfake-btn-copy:hover {
	border-color: var(--cfake-primary);
	color: var(--cfake-primary);
}

/* Spinner */
.cfake-spinner {
	display: inline-block;
	width: 16px;
	height: 16px;
	border: 2px solid rgba(0, 0, 0, 0.2);
	border-radius: 50%;
	border-top-color: #000;
	animation: cfake-spin 0.8s linear infinite;
	margin-left: 8px;
}

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

/* Alerts */
.cfake-tool-alert {
	display: flex;
	gap: 12px;
	padding: 14px 16px;
	border-radius: var(--cfake-radius-sm);
	font-size: 14px;
	line-height: 1.5;
	margin-bottom: 20px;
}

.cfake-alert-info {
	background: rgba(6, 182, 212, 0.1);
	border: 1px solid rgba(6, 182, 212, 0.3);
	color: #7DD3FC;
}

.cfake-alert-warning {
	background: rgba(245, 158, 11, 0.1);
	border: 1px solid rgba(245, 158, 11, 0.3);
	color: #FCD34D;
}

.cfake-alert-danger {
	background: rgba(239, 68, 68, 0.1);
	border: 1px solid rgba(239, 68, 68, 0.3);
	color: #FCA5A5;
}

/* Results Display */
.cfake-results-wrap {
	margin-top: 32px;
	padding-top: 24px;
	border-top: 1px solid var(--cfake-surface-border);
	animation: cfake-fade-in 0.3s ease;
}

@keyframes cfake-fade-in {
	from { opacity: 0; transform: translateY(6px); }
	to { opacity: 1; transform: translateY(0); }
}

.cfake-results-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 16px;
}

.cfake-results-title {
	font-size: 18px;
	font-weight: 700;
	margin: 0;
	color: var(--cfake-text);
}

.cfake-data-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13px;
	margin-bottom: 16px;
}

.cfake-data-table th,
.cfake-data-table td {
	padding: 10px 14px;
	border-bottom: 1px solid var(--cfake-surface-border);
	text-align: left;
}

.cfake-data-table th {
	color: var(--cfake-text-muted);
	font-weight: 600;
	width: 30%;
	background: rgba(31, 41, 55, 0.3);
}

.cfake-data-table td {
	color: var(--cfake-text);
	word-break: break-all;
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.cfake-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 14px;
	margin-bottom: 20px;
}

.cfake-stat-box {
	background: var(--cfake-surface-raised);
	border: 1px solid var(--cfake-surface-border);
	border-radius: var(--cfake-radius-sm);
	padding: 16px;
	text-align: center;
}

.cfake-stat-label {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--cfake-text-muted);
	margin-bottom: 6px;
}

.cfake-stat-value {
	font-size: 22px;
	font-weight: 700;
	color: var(--cfake-primary);
}

.cfake-grade-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 54px;
	height: 54px;
	border-radius: 50%;
	font-size: 26px;
	font-weight: 800;
	color: #0B0F19;
}

.cfake-grade-A { background: #10B981; }
.cfake-grade-B { background: #3B82F6; }
.cfake-grade-C { background: #F59E0B; }
.cfake-grade-D { background: #F97316; }
.cfake-grade-F { background: #EF4444; }

.cfake-hop-chain {
	display: flex;
	flex-direction: column;
	gap: 12px;
	margin-top: 16px;
}

.cfake-hop-item {
	background: var(--cfake-surface-raised);
	border-left: 4px solid var(--cfake-primary);
	border-radius: 0 var(--cfake-radius-sm) var(--cfake-radius-sm) 0;
	padding: 12px 16px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
}

.cfake-hop-status {
	padding: 3px 8px;
	border-radius: 4px;
	font-weight: 700;
	font-size: 12px;
}

.cfake-status-200 { background: rgba(16, 185, 129, 0.2); color: #34D399; }
.cfake-status-301,
.cfake-status-302 { background: rgba(6, 182, 212, 0.2); color: #38BDF8; }
.cfake-status-404,
.cfake-status-500 { background: rgba(239, 68, 68, 0.2); color: #F87171; }

.cfake-grid-2col {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}

@media (max-width: 768px) {
	.cfake-grid-2col {
		grid-template-columns: 1fr;
	}
	.cfake-input-group {
		flex-direction: column;
	}
	.cfake-tool-container {
		padding: 18px;
	}
}