@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ============================================================
   DNS Checker Pro — "Blueprint / Console" design system
   Light mode = pale network-blueprint grid.
   Dark mode  = NOC console with dual-accent signal colors.
   ============================================================ */

.dcp-front {
	--dcp-primary: #4f46e5;
	--dcp-accent: #06b6d4;
	--dcp-success: #16a34a;
	--dcp-danger: #dc2626;

	--dcp-bg: #f5f7fb;
	--dcp-surface: #ffffff;
	--dcp-border: #e2e8f0;
	--dcp-text: #101828;
	--dcp-text-soft: #5b6b82;
	--dcp-grid-line: rgba(79, 70, 229, 0.07);
	--dcp-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px -12px rgba(16, 24, 40, 0.15);
	--dcp-radius: 16px;
	--dcp-font-display: 'Space Grotesk', system-ui, sans-serif;
	--dcp-font-body: system-ui, -apple-system, 'Segoe UI', sans-serif;
	--dcp-font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

	font-family: var(--dcp-font-body);
	color: var(--dcp-text);
	max-width: 880px;
	margin: 0 auto;
	box-sizing: border-box;
}

.dcp-front.dcp-dark {
	--dcp-bg: #0b1220;
	--dcp-surface: #121a2c;
	--dcp-border: #21304d;
	--dcp-text: #e6edf7;
	--dcp-text-soft: #8b9bb4;
	--dcp-grid-line: rgba(34, 211, 238, 0.07);
	--dcp-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 30px -14px rgba(0, 0, 0, 0.6);
}

.dcp-front *,
.dcp-front *::before,
.dcp-front *::after {
	box-sizing: border-box;
}

.dcp-card {
	background: var(--dcp-surface);
	border: 1px solid var(--dcp-border);
	border-radius: var(--dcp-radius);
	box-shadow: var(--dcp-shadow);
}

/* ---------- Hero / search card ---------- */

.dcp-hero {
	padding: 32px 32px 28px;
	position: relative;
	overflow: hidden;
	background-image:
		linear-gradient(var(--dcp-grid-line) 1px, transparent 1px),
		linear-gradient(90deg, var(--dcp-grid-line) 1px, transparent 1px);
	background-size: 28px 28px;
	background-position: center top;
}

.dcp-hero-top {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 22px;
}

.dcp-title {
	font-family: var(--dcp-font-display);
	font-size: 26px;
	font-weight: 700;
	margin: 0 0 6px;
	letter-spacing: -0.01em;
}

.dcp-title::after {
	content: '_';
	color: var(--dcp-primary);
	animation: dcp-blink 1.1s step-end infinite;
}

@keyframes dcp-blink {
	0%, 49% { opacity: 1; }
	50%, 100% { opacity: 0; }
}

.dcp-intro {
	margin: 0;
	color: var(--dcp-text-soft);
	font-size: 14.5px;
	max-width: 46ch;
	line-height: 1.5;
}

.dcp-theme-toggle {
	flex-shrink: 0;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	border: 1px solid var(--dcp-border);
	background: var(--dcp-bg);
	color: var(--dcp-text-soft);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	transition: border-color 0.15s ease;
}

.dcp-theme-toggle:hover {
	border-color: var(--dcp-primary);
}

.dcp-theme-icon {
	position: absolute;
	font-size: 16px;
	transition: opacity 0.15s ease, transform 0.15s ease;
}

.dcp-theme-icon--moon { opacity: 0; transform: scale(0.6); }
.dcp-front.dcp-dark .dcp-theme-icon--moon { opacity: 1; transform: scale(1); }
.dcp-front.dcp-dark .dcp-theme-icon--sun { opacity: 0; transform: scale(0.6); }

.dcp-search-row {
	display: flex;
	gap: 10px;
	position: relative;
	z-index: 1;
}

.dcp-input-wrap {
	position: relative;
	flex: 1;
}

.dcp-input-icon {
	position: absolute;
	left: 14px;
	top: 50%;
	transform: translateY(-50%);
	width: 18px;
	height: 18px;
	color: var(--dcp-text-soft);
	pointer-events: none;
}

.dcp-input {
	width: 100%;
	height: 52px;
	padding: 0 16px 0 42px;
	border-radius: 12px;
	border: 1.5px solid var(--dcp-border);
	background: var(--dcp-surface);
	color: var(--dcp-text);
	font-family: var(--dcp-font-mono);
	font-size: 15.5px;
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dcp-input::placeholder {
	color: var(--dcp-text-soft);
	opacity: 0.8;
}

.dcp-input:focus {
	border-color: var(--dcp-primary);
	box-shadow: 0 0 0 4px color-mix(in srgb, var(--dcp-primary) 15%, transparent);
}

.dcp-btn {
	height: 52px;
	padding: 0 24px;
	border-radius: 12px;
	border: none;
	font-family: var(--dcp-font-display);
	font-weight: 600;
	font-size: 15px;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: transform 0.1s ease, box-shadow 0.15s ease, opacity 0.15s ease;
	white-space: nowrap;
}

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

.dcp-btn-primary {
	background: linear-gradient(135deg, var(--dcp-primary), var(--dcp-accent));
	color: #fff;
	box-shadow: 0 8px 18px -8px color-mix(in srgb, var(--dcp-primary) 60%, transparent);
}

.dcp-btn-primary:hover {
	transform: translateY(-1px);
}

.dcp-btn-primary:disabled {
	opacity: 0.75;
	cursor: progress;
	transform: none;
}

.dcp-btn-ghost {
	background: var(--dcp-bg);
	color: var(--dcp-text);
	border: 1px solid var(--dcp-border);
	height: 40px;
	padding: 0 16px;
	font-size: 13.5px;
}

.dcp-btn-ghost:hover {
	border-color: var(--dcp-primary);
	color: var(--dcp-primary);
}

.dcp-spinner {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, 0.4);
	border-top-color: #fff;
	animation: dcp-spin 0.7s linear infinite;
}

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

.dcp-chip-row {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 18px;
	position: relative;
	z-index: 1;
}

.dcp-type-chip {
	font-family: var(--dcp-font-mono);
	font-size: 12.5px;
	font-weight: 600;
	letter-spacing: 0.02em;
	padding: 7px 14px;
	border-radius: 999px;
	border: 1px solid var(--dcp-border);
	background: var(--dcp-surface);
	color: var(--dcp-text-soft);
	cursor: pointer;
	transition: all 0.12s ease;
}

.dcp-type-chip:hover {
	border-color: var(--dcp-primary);
	color: var(--dcp-primary);
}

.dcp-type-chip.is-active {
	background: var(--dcp-primary);
	border-color: var(--dcp-primary);
	color: #fff;
}

/* ---------- Status line ---------- */

.dcp-status {
	margin-top: 16px;
	padding: 12px 16px;
	border-radius: 10px;
	font-size: 13.5px;
	font-family: var(--dcp-font-mono);
}

.dcp-status.is-error {
	background: color-mix(in srgb, var(--dcp-danger) 10%, transparent);
	color: var(--dcp-danger);
	border: 1px solid color-mix(in srgb, var(--dcp-danger) 25%, transparent);
}

.dcp-status.is-loading {
	background: color-mix(in srgb, var(--dcp-primary) 8%, transparent);
	color: var(--dcp-text-soft);
	border: 1px solid var(--dcp-border);
}

/* ---------- Results ---------- */

.dcp-results {
	margin-top: 18px;
}

.dcp-results-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 12px;
}

.dcp-results-header h3 {
	font-family: var(--dcp-font-mono);
	font-size: 15px;
	font-weight: 600;
	margin: 0;
	color: var(--dcp-text);
}

.dcp-results-actions {
	display: flex;
	gap: 8px;
}

.dcp-results-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 12px;
}

.dcp-record-card {
	background: var(--dcp-surface);
	border: 1px solid var(--dcp-border);
	border-radius: 12px;
	padding: 16px;
}

.dcp-record-card-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 10px;
}

.dcp-record-type {
	font-family: var(--dcp-font-mono);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.04em;
	color: #fff;
	background: linear-gradient(135deg, var(--dcp-primary), var(--dcp-accent));
	padding: 3px 10px;
	border-radius: 6px;
}

.dcp-record-count {
	font-size: 12px;
	color: var(--dcp-text-soft);
}

.dcp-record-row {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 10px;
	padding: 8px 0;
	border-top: 1px dashed var(--dcp-border);
	font-family: var(--dcp-font-mono);
	font-size: 13px;
}

.dcp-record-row:first-of-type {
	border-top: none;
}

.dcp-record-value {
	word-break: break-all;
	color: var(--dcp-text);
	line-height: 1.5;
}

.dcp-record-meta {
	color: var(--dcp-text-soft);
	white-space: nowrap;
	font-size: 11.5px;
	padding-top: 2px;
}

.dcp-record-empty {
	color: var(--dcp-text-soft);
	font-size: 13px;
	font-family: var(--dcp-font-mono);
	padding: 6px 0;
}

/* ---------- Propagation ---------- */

.dcp-propagation {
	margin-top: 22px;
}

.dcp-propagation h3 {
	font-family: var(--dcp-font-mono);
	font-size: 15px;
	margin: 0 0 12px;
}

.dcp-propagation-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 12px;
}

.dcp-provider-card {
	border: 1px solid var(--dcp-border);
	background: var(--dcp-surface);
	border-radius: 12px;
	padding: 14px 16px;
}

.dcp-provider-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 10px;
}

.dcp-provider-name {
	font-size: 13px;
	font-weight: 600;
	color: var(--dcp-text);
}

/* Signature element: signal-strength bars indicating propagation status */
.dcp-signal {
	display: inline-flex;
	align-items: flex-end;
	gap: 2px;
	height: 14px;
}

.dcp-signal span {
	width: 3px;
	border-radius: 1px;
	background: var(--dcp-border);
	transition: background 0.2s ease;
}

.dcp-signal span:nth-child(1) { height: 5px; }
.dcp-signal span:nth-child(2) { height: 8px; }
.dcp-signal span:nth-child(3) { height: 11px; }
.dcp-signal span:nth-child(4) { height: 14px; }

.dcp-signal.is-live span {
	background: var(--dcp-success);
}

.dcp-signal.is-dead span:nth-child(1) {
	background: var(--dcp-danger);
}

.dcp-provider-value {
	font-family: var(--dcp-font-mono);
	font-size: 12.5px;
	color: var(--dcp-text-soft);
	word-break: break-all;
	line-height: 1.5;
}

.dcp-provider-value strong {
	color: var(--dcp-text);
	font-weight: 500;
}

/* ---------- Misc ---------- */

.dcp-credit {
	text-align: center;
	margin-top: 18px;
	font-size: 12px;
	color: var(--dcp-text-soft);
	opacity: 0.7;
}

.dcp-copy-flash {
	color: var(--dcp-success) !important;
}

@media (max-width: 560px) {
	.dcp-hero { padding: 24px 18px 20px; }
	.dcp-search-row { flex-direction: column; }
	.dcp-btn { width: 100%; }
	.dcp-hero-top { flex-direction: row; }
	.dcp-title { font-size: 21px; }
}

@media (prefers-reduced-motion: reduce) {
	.dcp-title::after { animation: none; }
	.dcp-spinner { animation-duration: 1.4s; }
	.dcp-btn-primary:hover { transform: none; }
}