/*
 * Ultimate Domain Extractor — front-end styles
 * All selectors are scoped under .ude-wrapper and prefixed with `ude-`
 * so the tool never bleeds into (or is bled into by) the active theme.
 */

.ude-wrapper {
	--ude-ink: #171b2b;
	--ude-text: #2b3242;
	--ude-muted: #6b7280;
	--ude-surface: #ffffff;
	--ude-surface-subtle: #f6f7fa;
	--ude-surface-console: #12162280;
	--ude-border: #e3e6ed;
	--ude-border-strong: #cbd1dd;
	--ude-accent: #0e9384;
	--ude-accent-light: #14b8a6;
	--ude-accent-dark: #0b6e63;
	--ude-accent-soft: #e3f6f2;
	--ude-danger: #d64545;
	--ude-danger-soft: #fbeaea;
	--ude-success: #1e9e6b;
	--ude-radius-sm: 8px;
	--ude-radius-md: 12px;
	--ude-radius-lg: 18px;
	--ude-shadow-sm: 0 1px 2px rgba(23, 27, 43, 0.06);
	--ude-shadow-md: 0 8px 24px rgba(23, 27, 43, 0.08);
	--ude-shadow-accent: 0 10px 24px -8px rgba(14, 147, 132, 0.55);
	--ude-shadow-accent-hover: 0 14px 30px -8px rgba(14, 147, 132, 0.65);
	--ude-font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--ude-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

	box-sizing: border-box;
	max-width: 1080px;
	margin: 2rem auto;
	padding: 0 1rem;
	font-family: var(--ude-font-ui);
	color: var(--ude-text);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

.ude-wrapper *,
.ude-wrapper *::before,
.ude-wrapper *::after {
	box-sizing: inherit;
}

.ude-visually-hidden {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* ---------------------------------------------------------------- */
/* Header                                                            */
/* ---------------------------------------------------------------- */

.ude-header {
	text-align: center;
	padding: 0.5rem 0 1.75rem;
}

.ude-title {
	font-size: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);
	font-weight: 700;
	color: var(--ude-ink);
	margin: 0 0 0.6rem;
	letter-spacing: -0.02em;
}

.ude-subtitle {
	max-width: 640px;
	margin: 0 auto;
	color: var(--ude-muted);
	font-size: 1.15rem;
}

/* ---------------------------------------------------------------- */
/* Ad slots                                                           */
/* ---------------------------------------------------------------- */

.ude-ad-slot {
	min-height: 0;
	margin: 1.25rem 0;
}

.ude-ad-slot:empty {
	display: block;
}

/* ---------------------------------------------------------------- */
/* Tool card / tabs                                                   */
/* ---------------------------------------------------------------- */

.ude-tool-card {
	background: var(--ude-surface);
	border: 1px solid var(--ude-border);
	border-radius: var(--ude-radius-lg);
	box-shadow: var(--ude-shadow-md);
	overflow: hidden;
}

.ude-tabs {
	display: grid;
	grid-template-columns: 1fr 1fr;
	background: var(--ude-surface-subtle);
	border-bottom: 1px solid var(--ude-border);
}

.ude-tab {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.55rem;
	padding: 1.1rem 1rem;
	font-family: inherit;
	font-size: 1.06rem;
	font-weight: 600;
	color: var(--ude-muted);
	background: transparent;
	border: none;
	border-bottom: 3px solid transparent;
	cursor: pointer;
	transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.ude-tab .ude-icon {
	transition: transform 0.2s ease;
}

.ude-tab:hover {
	color: var(--ude-ink);
	background: rgba(14, 147, 132, 0.07);
}

.ude-tab:hover .ude-icon {
	transform: translateY(-1px);
}

.ude-tab.is-active {
	color: var(--ude-accent-dark);
	background: var(--ude-surface);
	border-bottom-color: var(--ude-accent);
}

.ude-tab.is-active .ude-icon {
	color: var(--ude-accent);
}

.ude-tab:focus-visible,
.ude-wrapper button:focus-visible,
.ude-wrapper input:focus-visible,
.ude-wrapper select:focus-visible,
.ude-wrapper textarea:focus-visible,
.ude-wrapper [tabindex]:focus-visible {
	outline: 2px solid var(--ude-accent);
	outline-offset: 2px;
}

.ude-panel {
	padding: 1.5rem;
}

@media (min-width: 640px) {
	.ude-panel {
		padding: 2rem;
	}
}

/* ---------------------------------------------------------------- */
/* Fields                                                             */
/* ---------------------------------------------------------------- */

.ude-field {
	margin-bottom: 1rem;
}

.ude-label {
	display: block;
	font-size: 0.98rem;
	font-weight: 600;
	color: var(--ude-ink);
	margin-bottom: 0.4rem;
}

.ude-textarea {
	width: 100%;
	min-height: 140px;
	resize: vertical;
	font-family: var(--ude-font-mono);
	font-size: 1.01rem;
	line-height: 1.6;
	color: var(--ude-text);
	background: var(--ude-surface-subtle);
	border: 1px solid var(--ude-border);
	border-radius: var(--ude-radius-md);
	padding: 0.85rem 1rem;
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.ude-textarea:focus {
	background: var(--ude-surface);
	border-color: var(--ude-accent);
}

.ude-hint {
	font-size: 0.92rem;
	color: var(--ude-muted);
	margin: 0.5rem 0 0;
}

.ude-divider {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	margin: 1.25rem 0;
	color: var(--ude-muted);
	font-size: 0.9rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.ude-divider::before,
.ude-divider::after {
	content: "";
	flex: 1;
	height: 1px;
	background: var(--ude-border);
}

/* ---------------------------------------------------------------- */
/* Dropzone                                                           */
/* ---------------------------------------------------------------- */

.ude-dropzone {
	position: relative;
	border: 2px dashed var(--ude-border-strong);
	border-radius: var(--ude-radius-md);
	padding: 1.75rem 1.25rem;
	text-align: center;
	cursor: pointer;
	background: var(--ude-surface-subtle);
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.ude-dropzone:hover,
.ude-dropzone:focus-visible {
	border-color: var(--ude-accent);
	background: var(--ude-accent-soft);
}

.ude-dropzone.is-dragover {
	border-color: var(--ude-accent);
	background: var(--ude-accent-soft);
}

.ude-dropzone__content {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.35rem;
	color: var(--ude-muted);
}

.ude-dropzone__title {
	margin: 0.35rem 0 0;
	font-weight: 600;
	color: var(--ude-ink);
	font-size: 1.09rem;
}

.ude-dropzone__hint {
	margin: 0;
	font-size: 0.92rem;
}

.ude-dropzone__file {
	display: flex;
	align-items: center;
	gap: 0.85rem;
	text-align: left;
	color: var(--ude-ink);
}

.ude-dropzone__file-meta {
	flex: 1;
	min-width: 0;
}

.ude-dropzone__file-name {
	margin: 0;
	font-weight: 600;
	font-size: 1.03rem;
	word-break: break-all;
}

.ude-dropzone__file-info {
	margin: 0.15rem 0 0;
	font-size: 0.9rem;
	color: var(--ude-muted);
}

.ude-file-options {
	display: grid;
	gap: 0.85rem;
	margin-top: 1rem;
	padding: 1rem;
	background: var(--ude-surface-subtle);
	border: 1px solid var(--ude-border);
	border-radius: var(--ude-radius-md);
}

@media (min-width: 560px) {
	.ude-file-options {
		grid-template-columns: 1fr 1fr;
	}
}

/* ---------------------------------------------------------------- */
/* Settings                                                           */
/* ---------------------------------------------------------------- */

.ude-settings {
	margin-top: 1.5rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--ude-border);
}

.ude-settings__title {
	font-size: 0.92rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ude-muted);
	margin-bottom: 1rem;
}

.ude-settings__grid {
	display: grid;
	gap: 1rem;
	grid-template-columns: 1fr;
}

@media (min-width: 640px) {
	.ude-settings__grid {
		grid-template-columns: 1fr 1fr;
	}
}

.ude-field--inline {
	margin: 0;
}

.ude-select {
	width: 100%;
	font-family: inherit;
	font-size: 1.01rem;
	color: var(--ude-text);
	background: var(--ude-surface);
	border: 1px solid var(--ude-border);
	border-radius: var(--ude-radius-sm);
	padding: 0.55rem 0.7rem;
}

.ude-toggle {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	cursor: pointer;
	font-size: 1.03rem;
	color: var(--ude-ink);
	user-select: none;
}

.ude-toggle input {
	position: absolute;
	opacity: 0;
	width: 1px;
	height: 1px;
}

.ude-toggle__track {
	position: relative;
	flex-shrink: 0;
	width: 40px;
	height: 22px;
	background: var(--ude-border-strong);
	border-radius: 999px;
	transition: background-color 0.15s ease;
}

.ude-toggle__track::after {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 18px;
	height: 18px;
	background: #fff;
	border-radius: 50%;
	box-shadow: var(--ude-shadow-sm);
	transition: transform 0.15s ease;
}

.ude-toggle input:checked + .ude-toggle__track {
	background: var(--ude-accent);
}

.ude-toggle input:checked + .ude-toggle__track::after {
	transform: translateX(18px);
}

.ude-toggle input:focus-visible + .ude-toggle__track {
	outline: 2px solid var(--ude-accent);
	outline-offset: 2px;
}

/* ---------------------------------------------------------------- */
/* Buttons                                                            */
/* ---------------------------------------------------------------- */

.ude-actions-row {
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
	margin-top: 1.75rem;
}

.ude-btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	font-family: inherit;
	font-size: 1.01rem;
	font-weight: 600;
	border-radius: var(--ude-radius-sm);
	padding: 0.65rem 1.15rem;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background-color 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
	line-height: 1.2;
}

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

.ude-btn:active {
	transform: translateY(0);
}

.ude-btn .ude-icon {
	transition: transform 0.2s ease;
}

.ude-btn:hover .ude-icon {
	transform: scale(1.08);
}

.ude-btn--primary {
	background: linear-gradient(135deg, var(--ude-accent-light), var(--ude-accent-dark));
	color: #fff;
	box-shadow: var(--ude-shadow-accent);
}

.ude-btn--primary:hover {
	background: linear-gradient(135deg, var(--ude-accent-light), var(--ude-accent));
	box-shadow: var(--ude-shadow-accent-hover);
}

.ude-btn--primary:active {
	box-shadow: 0 4px 14px -6px rgba(14, 147, 132, 0.6);
}

.ude-btn--large {
	padding: 0.9rem 1.75rem;
	font-size: 1.13rem;
	border-radius: var(--ude-radius-md);
	letter-spacing: 0.01em;
}

.ude-btn--secondary {
	background: var(--ude-surface);
	color: var(--ude-ink);
	border-color: var(--ude-border);
	box-shadow: var(--ude-shadow-sm);
}

.ude-btn--secondary:hover {
	border-color: var(--ude-accent);
	color: var(--ude-accent-dark);
	background: var(--ude-accent-soft);
	box-shadow: 0 6px 16px -8px rgba(23, 27, 43, 0.18);
}

.ude-btn--secondary .ude-icon {
	color: var(--ude-accent);
}

.ude-btn--ghost {
	background: transparent;
	color: var(--ude-danger);
	border-color: var(--ude-border);
}

.ude-btn--ghost:hover {
	background: var(--ude-danger-soft);
	border-color: rgba(214, 69, 69, 0.35);
	transform: translateY(-1px);
}

.ude-btn--small {
	padding: 0.4rem 0.8rem;
	font-size: 0.9rem;
	border-radius: 999px;
}

.ude-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none !important;
	box-shadow: none !important;
}

.ude-processing {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	color: var(--ude-muted);
	font-size: 0.98rem;
}

.ude-spinner {
	width: 16px;
	height: 16px;
	border: 2px solid var(--ude-border-strong);
	border-top-color: var(--ude-accent);
	border-radius: 50%;
	animation: ude-spin 0.7s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
	.ude-spinner {
		animation-duration: 1.6s;
	}
}

.ude-alert {
	margin-top: 1rem;
	padding: 0.75rem 1rem;
	border-radius: var(--ude-radius-sm);
	background: var(--ude-danger-soft);
	color: #8a2b2b;
	font-size: 0.98rem;
	border: 1px solid rgba(214, 69, 69, 0.25);
}

/* ---------------------------------------------------------------- */
/* Stats                                                              */
/* ---------------------------------------------------------------- */

.ude-stats {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.75rem;
}

@media (min-width: 640px) {
	.ude-stats {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (min-width: 860px) {
	.ude-stats {
		grid-template-columns: repeat(6, 1fr);
	}
}

.ude-stat-card {
	background: var(--ude-surface);
	border: 1px solid var(--ude-border);
	border-radius: var(--ude-radius-md);
	padding: 1rem 0.75rem;
	text-align: center;
	box-shadow: var(--ude-shadow-sm);
}

.ude-stat-card__value {
	display: block;
	font-family: var(--ude-font-mono);
	font-size: 1.72rem;
	font-weight: 700;
	color: var(--ude-ink);
}

.ude-stat-card__label {
	display: block;
	margin-top: 0.2rem;
	font-size: 0.83rem;
	color: var(--ude-muted);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

/* ---------------------------------------------------------------- */
/* Results — styled like a lightweight console, the tool's signature  */
/* ---------------------------------------------------------------- */

.ude-results {
	margin-top: 1.5rem;
	background: var(--ude-surface);
	border: 1px solid var(--ude-border);
	border-radius: var(--ude-radius-lg);
	box-shadow: var(--ude-shadow-md);
	overflow: hidden;
}

.ude-results__toolbar {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	align-items: center;
	justify-content: space-between;
	padding: 1rem 1.25rem;
	border-bottom: 1px solid var(--ude-border);
	background: var(--ude-surface-subtle);
}

.ude-view-toggle {
	display: inline-flex;
	background: var(--ude-surface);
	border: 1px solid var(--ude-border);
	border-radius: 999px;
	padding: 3px;
	box-shadow: var(--ude-shadow-sm);
}

.ude-view-toggle__btn {
	font-family: inherit;
	font-size: 0.92rem;
	font-weight: 600;
	color: var(--ude-muted);
	background: transparent;
	border: none;
	border-radius: 999px;
	padding: 0.45rem 1rem;
	cursor: pointer;
	transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.ude-view-toggle__btn:hover:not(.is-active) {
	color: var(--ude-ink);
	background: var(--ude-surface-subtle);
}

.ude-view-toggle__btn.is-active {
	background: linear-gradient(135deg, var(--ude-accent-light), var(--ude-accent-dark));
	color: #fff;
	box-shadow: 0 4px 12px -4px rgba(14, 147, 132, 0.55);
}

.ude-search {
	position: relative;
	display: flex;
	align-items: center;
	flex: 1 1 260px;
	max-width: 340px;
}

.ude-search .ude-icon {
	position: absolute;
	top: 50%;
	left: 1rem;
	transform: translateY(-50%);
	width: 17px;
	height: 17px;
	color: var(--ude-muted);
	pointer-events: none;
	transition: color 0.15s ease;
}

.ude-search__input {
	width: 100%;
	font-family: inherit;
	font-size: 0.98rem;
	padding: 0.7rem 1.1rem 0.7rem 2.7rem;
	border: 1px solid var(--ude-border);
	border-radius: 999px;
	background: var(--ude-surface);
	box-shadow: var(--ude-shadow-sm);
	transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.ude-search__input::placeholder {
	color: var(--ude-muted);
}

.ude-search__input:hover {
	border-color: var(--ude-border-strong);
}

.ude-search__input:focus {
	outline: none;
	border-color: var(--ude-accent);
	background: var(--ude-surface);
	box-shadow: 0 0 0 4px var(--ude-accent-soft);
}

.ude-search__input:focus ~ .ude-icon,
.ude-search:focus-within .ude-icon {
	color: var(--ude-accent);
}

.ude-results__body {
	padding: 0;
}

.ude-result-list {
	margin: 0;
	padding: 0.6rem 0.5rem;
	max-height: 460px;
	overflow: auto;
	background: var(--ude-surface);
}

.ude-result-line {
	display: flex;
	align-items: baseline;
	gap: 0.75rem;
	padding: 0.6rem 0.85rem;
	border-radius: var(--ude-radius-sm);
	font-family: var(--ude-font-mono);
	font-size: 0.95rem;
	transition: background-color 0.12s ease;
}

.ude-result-line:nth-child(odd) {
	background: var(--ude-surface-subtle);
}

.ude-result-line:hover {
	background: var(--ude-accent-soft);
}

.ude-result-line__num {
	flex-shrink: 0;
	min-width: 2.4em;
	text-align: right;
	color: var(--ude-muted);
	font-variant-numeric: tabular-nums;
}

.ude-result-line__domain {
	color: var(--ude-ink);
	font-weight: 600;
	word-break: break-all;
}

.ude-table-wrap {
	overflow-x: auto;
	max-height: 420px;
	overflow-y: auto;
}

.ude-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.98rem;
	min-width: 480px;
}

.ude-table thead th {
	position: sticky;
	top: 0;
	background: var(--ude-surface-subtle);
	text-align: left;
	font-size: 0.83rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--ude-muted);
	padding: 0.65rem 1.25rem;
	border-bottom: 1px solid var(--ude-border);
}

.ude-table tbody td {
	padding: 0.6rem 1.25rem;
	border-bottom: 1px solid var(--ude-border);
	color: var(--ude-text);
	vertical-align: top;
}

.ude-table tbody td:first-child {
	font-family: var(--ude-font-mono);
	color: var(--ude-muted);
}

.ude-table tbody tr:last-child td {
	border-bottom: none;
}

.ude-table tbody tr:hover {
	background: var(--ude-surface-subtle);
}

.ude-status {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	font-size: 0.87rem;
	font-weight: 600;
	padding: 0.15rem 0.55rem;
	border-radius: 999px;
}

.ude-status--valid {
	color: var(--ude-success);
	background: rgba(30, 158, 107, 0.12);
}

.ude-status--invalid {
	color: var(--ude-danger);
	background: var(--ude-danger-soft);
}

.ude-empty-state {
	padding: 2rem 1.5rem;
	text-align: center;
	color: var(--ude-muted);
	font-size: 1.01rem;
}

.ude-results__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	padding: 1.1rem 1.25rem;
	border-top: 1px solid var(--ude-border);
	background: var(--ude-surface-subtle);
}

/* ---------------------------------------------------------------- */
/* Toasts                                                             */
/* ---------------------------------------------------------------- */

.ude-toast-region {
	position: fixed;
	bottom: 1.25rem;
	right: 1.25rem;
	z-index: 99999;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	max-width: min(320px, calc(100vw - 2rem));
}

.ude-toast {
	background: var(--ude-ink);
	color: #fff;
	font-size: 0.98rem;
	padding: 0.7rem 1rem;
	border-radius: var(--ude-radius-sm);
	box-shadow: var(--ude-shadow-md);
	animation: ude-toast-in 0.18s ease;
}

.ude-toast--error {
	background: var(--ude-danger);
}

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

/* ---------------------------------------------------------------- */
/* SEO content & FAQ                                                  */
/* ---------------------------------------------------------------- */

.ude-seo {
	margin-top: 2.5rem;
}

.ude-seo h3 {
	font-size: 1.21rem;
	color: var(--ude-ink);
	margin: 1.5rem 0 0.5rem;
}

.ude-seo p {
	color: var(--ude-text);
	margin: 0 0 0.5rem;
}

.ude-faq {
	margin-top: 2rem;
	border-top: 1px solid var(--ude-border);
	padding-top: 1.5rem;
}

.ude-faq__title {
	font-size: 1.26rem;
	color: var(--ude-ink);
	margin: 0 0 1rem;
}

.ude-faq__item {
	border-bottom: 1px solid var(--ude-border);
}

.ude-faq__question {
	margin: 0;
}

.ude-faq__trigger {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	text-align: left;
	font-family: inherit;
	font-size: 1.06rem;
	font-weight: 600;
	color: var(--ude-ink);
	background: transparent;
	border: none;
	padding: 0.9rem 0.1rem;
	cursor: pointer;
}

.ude-faq__chevron {
	flex-shrink: 0;
	transition: transform 0.15s ease;
	color: var(--ude-muted);
}

.ude-faq__trigger[aria-expanded="true"] .ude-faq__chevron {
	transform: rotate(180deg);
}

.ude-faq__answer {
	padding: 0 0.1rem 1rem;
	color: var(--ude-muted);
	font-size: 1.01rem;
}

.ude-faq__answer p {
	margin: 0;
}

/* ---------------------------------------------------------------- */
/* Icons                                                              */
/* ---------------------------------------------------------------- */

.ude-icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

.ude-icon--lg {
	width: 28px;
	height: 28px;
	color: var(--ude-accent);
}

/* ---------------------------------------------------------------- */
/* Mobile refinements                                                  */
/* ---------------------------------------------------------------- */

@media (max-width: 480px) {
	.ude-wrapper {
		margin: 1.25rem auto;
	}

	.ude-tab span {
		font-size: 0.94rem;
	}

	.ude-tab {
		padding: 0.9rem 0.5rem;
	}

	.ude-actions-row {
		flex-direction: column;
		align-items: stretch;
	}

	.ude-btn--large {
		width: 100%;
	}

	.ude-results__actions {
		flex-direction: column;
	}

	.ude-results__actions .ude-btn {
		width: 100%;
	}

	.ude-results__toolbar {
		flex-direction: column;
		align-items: stretch;
	}

	.ude-search {
		max-width: none;
	}
}