/* Keyword Density Checker — styles */

.kdc-tool {
	--kdc-bg: #ffffff;
	--kdc-fg: #1a1a1a;
	--kdc-muted: #6b7280;
	--kdc-border: #e5e7eb;
	--kdc-primary: #2563eb;
	--kdc-primary-fg: #ffffff;
	--kdc-pass: #16a34a;
	--kdc-warning: #d97706;
	--kdc-error: #dc2626;
	--kdc-card-bg: #f9fafb;

	max-width: 900px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--kdc-fg);
}

@media (prefers-color-scheme: dark) {
	.kdc-tool {
		--kdc-bg: #111827;
		--kdc-fg: #f3f4f6;
		--kdc-muted: #9ca3af;
		--kdc-border: #374151;
		--kdc-card-bg: #1f2937;
	}
}

.kdc-label {
	display: block;
	font-weight: 600;
	margin-bottom: 0.5rem;
}

.kdc-input-group {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.kdc-input {
	flex: 1 1 220px;
	min-width: 0;
	padding: 0.65rem 0.85rem;
	border: 1px solid var(--kdc-border);
	border-radius: 8px;
	font-size: 1rem;
	background: var(--kdc-bg);
	color: var(--kdc-fg);
}

.kdc-keyword-input {
	flex: 1 1 180px;
}

.kdc-input:focus-visible {
	outline: 2px solid var(--kdc-primary);
	outline-offset: 1px;
}

.kdc-btn {
	padding: 0.65rem 1.1rem;
	border-radius: 8px;
	border: 1px solid var(--kdc-border);
	font-size: 1rem;
	cursor: pointer;
	background: var(--kdc-bg);
	color: var(--kdc-fg);
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}

.kdc-btn:focus-visible {
	outline: 2px solid var(--kdc-primary);
	outline-offset: 1px;
}

.kdc-btn-primary {
	background: var(--kdc-primary);
	border-color: var(--kdc-primary);
	color: var(--kdc-primary-fg);
	font-weight: 600;
}

.kdc-btn-primary:disabled {
	opacity: 0.7;
	cursor: not-allowed;
}

.kdc-btn-ghost {
	background: transparent;
}

.kdc-spinner {
	width: 14px;
	height: 14px;
	border: 2px solid rgba(255, 255, 255, 0.5);
	border-top-color: #fff;
	border-radius: 50%;
	animation: kdc-spin 0.7s linear infinite;
}

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

.kdc-example {
	margin: 0.5rem 0 0;
	font-size: 0.85rem;
	color: #fff;
}

.kdc-example-link {
	background: none;
	border: none;
	padding: 0;
	color: var(--kdc-primary);
	text-decoration: underline;
	cursor: pointer;
	font-size: inherit;
}

.kdc-error {
	margin-top: 0.75rem;
	padding: 0.75rem 1rem;
	border-radius: 8px;
	background: rgba(220, 38, 38, 0.1);
	color: var(--kdc-error);
	font-size: 0.9rem;
}

.kdc-results {
	margin-top: 2rem;
}

.kdc-summary-row {
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
	margin-bottom: 1.25rem;
}

.kdc-total-words {
	display: flex;
	align-items: baseline;
	gap: 0.4rem;
    color:#fff;
}

.kdc-total-words-value {
	font-size: 1.6rem;
	font-weight: 700;
}

.kdc-total-words-label {
	color: #fff;
	font-size: 0.85rem;
}

.kdc-actions {
	margin-left: auto;
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.kdc-focus-card {
	background: var(--kdc-card-bg);
	border: 1px solid var(--kdc-border);
	border-left: 4px solid var(--kdc-border);
	border-radius: 10px;
	padding: 1rem 1.25rem;
	margin-bottom: 1.5rem;
}

.kdc-focus-pass { border-left-color: var(--kdc-pass); }
.kdc-focus-warning { border-left-color: var(--kdc-warning); }
.kdc-focus-error { border-left-color: var(--kdc-error); }

.kdc-focus-heading {
	margin: 0 0 0.35rem;
	font-size: 1.05rem;
}

.kdc-focus-density {
	margin: 0 0 0.35rem;
	font-weight: 600;
	font-size: 0.9rem;
}

.kdc-focus-message {
	margin: 0 0 0.6rem;
	font-size: 0.88rem;
	color: var(--kdc-muted);
}

.kdc-focus-checklist {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	font-size: 0.82rem;
}

.kdc-check-yes { color: var(--kdc-pass); }
.kdc-check-no { color: var(--kdc-error); }

.kdc-phrase-groups {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 1.25rem;
}

.kdc-phrase-heading {
	margin: 0 0 0.6rem;
	font-size: 0.95rem;
	color: #fff;
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.kdc-phrase-list {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.kdc-phrase-row {
	display: flex;
	justify-content: space-between;
	gap: 0.5rem;
	background: var(--kdc-card-bg);
	border: 1px solid var(--kdc-border);
	border-radius: 6px;
	padding: 0.4rem 0.65rem;
	font-size: 0.85rem;
}

.kdc-phrase-text {
	word-break: break-word;
}

.kdc-phrase-stats {
	color: var(--kdc-muted);
	white-space: nowrap;
	flex-shrink: 0;
}

.kdc-empty {
	color: var(--kdc-muted);
	font-size: 0.85rem;
}

@media (max-width: 480px) {
	.kdc-actions {
		margin-left: 0;
		width: 100%;
	}
}

@media print {
	.kdc-input-row,
	.kdc-actions {
		display: none !important;
	}
}