*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Dark (default) */
:root,
[data-theme="dark"] {
    --bg: #0c0f14;
    --bg-elevated: #141a24;
    --bg-card: #1a2230;
    --bg-input: #0f141c;
    --header-bg: rgba(12, 15, 20, 0.8);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-faint: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-soft: rgba(59, 130, 246, 0.15);
    --success: #22c55e;
    --success-soft: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.12);
    --info-soft: rgba(59, 130, 246, 0.12);
    --raw-bg: #0a0d12;
    --raw-text: #cbd5e1;
    --raw-key: #93c5fd;
    --gradient-1: rgba(59, 130, 246, 0.18);
    --gradient-2: rgba(99, 102, 241, 0.08);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    --skeleton: rgba(255, 255, 255, 0.06);
    --chip-bg: rgba(255, 255, 255, 0.05);
    --error-text: #fca5a5;
}

/* Light */
[data-theme="light"] {
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #f1f5f9;
    --header-bg: rgba(248, 250, 252, 0.9);
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.14);
    --text: #0f172a;
    --text-muted: #475569;
    --text-faint: #94a3b8;
    --accent-soft: rgba(59, 130, 246, 0.1);
    --success-soft: rgba(34, 197, 94, 0.1);
    --warning-soft: rgba(245, 158, 11, 0.1);
    --danger-soft: rgba(239, 68, 68, 0.08);
    --info-soft: rgba(59, 130, 246, 0.08);
    --raw-bg: #1e293b;
    --raw-text: #e2e8f0;
    --raw-key: #93c5fd;
    --gradient-1: rgba(59, 130, 246, 0.08);
    --gradient-2: rgba(99, 102, 241, 0.05);
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --skeleton: rgba(15, 23, 42, 0.06);
    --chip-bg: rgba(15, 23, 42, 0.04);
    --error-text: #b91c1c;
}

:root {
    --radius: 12px;
    --radius-lg: 16px;
    --font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --max-width: 960px;
    --max-width-wide: 1100px;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reduce-motion *, .reduce-motion *::before, .reduce-motion *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--gradient-1), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, var(--gradient-2), transparent);
    pointer-events: none;
    z-index: -1;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.page-content {
    max-width: var(--max-width-wide);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    padding-bottom: 4rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Animations */
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

.animate-in {
    animation: fadeSlideUp 0.4s ease-out both;
}

.tab-panel {
    animation: fadeSlideUp 0.25s ease-out both;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text);
}

.brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 10px;
}

.brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-nav {
    display: flex;
    gap: 1.25rem;
}

.header-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s;
}

.header-nav a:hover { color: var(--text); }

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
    color: var(--text);
    border-color: var(--border-strong);
}

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }
:root:not([data-theme]) .icon-sun { display: block; }
:root:not([data-theme]) .icon-moon { display: none; }

/* Hero */
.hero {
    padding: 3rem 0 2rem;
    text-align: center;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.hero-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 32rem;
    margin: 0 auto 1.75rem;
}

.hero-chips,
.recent-searches {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.hero-chips__label,
.recent-searches .hero-chips__label {
    font-size: 0.8125rem;
    color: var(--text-faint);
    font-weight: 500;
}

.chip {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--chip-bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.chip:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
}

.recent-searches {
    margin-top: 0.65rem;
}

.recent-searches__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

/* Search */
.search-form {
    max-width: 36rem;
    margin: 0 auto;
}

.search-field {
    display: flex;
    gap: 0.5rem;
    padding: 0.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.search-field input {
    flex: 1;
    min-width: 0;
    padding: 0.9rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.search-field input::placeholder { color: var(--text-faint); }

.search-field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-field button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-width: 110px;
    padding: 0 1.25rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

.search-field button:hover:not(:disabled) { background: var(--accent-hover); }
.search-field button:disabled { opacity: 0.85; cursor: wait; }

.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn-icon-mobile { display: none; }

body.is-page-loading { cursor: wait; }

/* Loading skeleton */
.loading-panel { margin-bottom: 2rem; }

.loading-panel__hint {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

.result-panel--skeleton { pointer-events: none; }

.skeleton {
    display: block;
    background: linear-gradient(90deg, var(--skeleton) 25%, rgba(128, 128, 128, 0.12) 50%, var(--skeleton) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    border-radius: 6px;
}

.skeleton-text { height: 14px; margin-bottom: 8px; }
.skeleton-text--xs { width: 80px; height: 10px; }
.skeleton-text--sm { width: 60%; height: 10px; margin: 0 auto 8px; }
.skeleton-text--md { width: 70%; height: 18px; margin: 0 auto; }
.skeleton-text--lg { width: 200px; height: 22px; margin-top: 6px; }
.skeleton-text--short { width: 55%; }
.skeleton-pill { width: 72px; height: 28px; border-radius: 999px; }
.skeleton-tabs { display: flex; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.skeleton-tab { width: 64px; height: 32px; border-radius: 8px; }
.skeleton-head { display: flex; justify-content: space-between; align-items: flex-start; }
.skeleton-rows { display: flex; flex-direction: column; gap: 10px; margin-top: 1rem; }

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.125rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert svg { flex-shrink: 0; margin-top: 0.1rem; }

.alert-error {
    background: var(--danger-soft);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: var(--error-text);
}

.alert-hint {
    font-size: 0.8125rem;
    margin-top: 0.35rem;
    opacity: 0.9;
}

.alert-hint code {
    font-family: var(--mono);
    font-size: 0.75rem;
    background: var(--chip-bg);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

.alert-info {
    background: var(--info-soft);
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Result panel */
.result-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow);
}

.result-panel__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.result-panel__label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-faint);
    margin-bottom: 0.25rem;
}

.domain-title-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.result-panel__domain h2 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    word-break: break-all;
}

.tld-badge {
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--mono);
    color: var(--accent);
    background: var(--accent-soft);
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
}

.status-pill--available {
    background: var(--success-soft);
    color: var(--success);
}

.status-pill--registered {
    background: var(--warning-soft);
    color: var(--warning);
}

/* Tabs */
.tab-nav {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.tab-nav__item {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    white-space: nowrap;
    transition: color 0.15s, background 0.15s;
}

.tab-nav__item:hover {
    color: var(--text);
    background: var(--chip-bg);
}

.tab-nav__item.is-active {
    color: var(--accent);
    background: var(--accent-soft);
}

.tab-nav__item:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.result-panel__body { padding: 1.5rem; }

/* Two-column result layout */
.result-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.result-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-cards {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
}

.stat-card__label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-faint);
    margin-bottom: 0.2rem;
}

.stat-card__value {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    word-break: break-word;
}

.stat-card__meta {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.stat-card__meta--ok { color: var(--success); }
.stat-card__meta--warn { color: var(--warning); }
.stat-card__meta--danger { color: var(--danger); }

/* Expiry progress */
.expiry-progress {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
}

.expiry-progress__head {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-faint);
    margin-bottom: 0.5rem;
}

.expiry-progress__track {
    height: 6px;
    background: var(--chip-bg);
    border-radius: 999px;
    overflow: hidden;
}

.expiry-progress__fill {
    height: 100%;
    border-radius: 999px;
    background: var(--success);
    transition: width 0.5s ease;
}

.expiry-progress--warning .expiry-progress__fill { background: var(--warning); }
.expiry-progress--critical .expiry-progress__fill { background: var(--danger); }
.expiry-progress--expired .expiry-progress__fill { background: var(--danger); width: 100% !important; }

.sidebar-ns__title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-faint);
    margin-bottom: 0.5rem;
}

.ns-more {
    font-size: 0.75rem;
    color: var(--text-faint);
    padding: 0.25rem 0;
}

/* Date cards */
.date-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.date-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}

.date-card__label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-faint);
    margin-bottom: 0.35rem;
}

.date-card__value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
}

.date-card__meta {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
    margin-top: 0.35rem;
}

.date-card--warn .date-card__meta { color: var(--warning); }
.date-card--danger .date-card__meta { color: var(--danger); }

/* Accordion */
.accordion-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.accordion {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.accordion__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.accordion__summary::-webkit-details-marker { display: none; }

.accordion__chevron {
    color: var(--text-faint);
    transition: transform 0.2s ease;
}

.accordion[open] .accordion__chevron { transform: rotate(180deg); }

.accordion__body {
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--border);
}

/* Info dl */
.info-dl {
    display: grid;
    grid-template-columns: minmax(110px, 140px) 1fr;
    gap: 0.5rem 1rem;
    padding-top: 0.85rem;
}

.info-dl dt {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-faint);
}

.info-dl dd {
    font-size: 0.875rem;
    word-break: break-word;
}

.info-dl dd.is-empty {
    color: var(--text-faint);
    font-style: italic;
}

.field-link {
    color: var(--accent);
    text-decoration: none;
}

.field-link:hover { text-decoration: underline; }

/* NS */
.ns-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ns-tags code {
    font-family: var(--mono);
    font-size: 0.8125rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.35rem 0.65rem;
    border-radius: 8px;
    color: var(--accent);
}

[data-theme="dark"] .ns-tags code { color: #93c5fd; }

/* Raw */
.raw-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    align-items: center;
}

.raw-search {
    flex: 1;
    min-width: 180px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.raw-search input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text);
    font-family: inherit;
    font-size: 0.875rem;
    outline: none;
}

.raw-search svg { color: var(--text-faint); flex-shrink: 0; }

.btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--text);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn-copy:hover { border-color: var(--accent); color: var(--accent); }
.btn-copy.is-copied { color: var(--success); border-color: var(--success); }

.raw-block {
    background: var(--raw-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 0.75rem;
    line-height: 1.65;
    color: var(--raw-text);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 480px;
    overflow-y: auto;
}

.raw-key { color: var(--raw-key); font-weight: 500; }
.raw-line { display: block; }

/* DNS */
.dns-mobile { display: none; }

.dns-desktop { display: block; }

.table-wrap { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-faint);
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border-strong);
}

.data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

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

.data-table .mono {
    font-family: var(--mono);
    font-size: 0.8125rem;
}

.muted { color: var(--text-faint); font-size: 0.8125rem; }

.dns-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.dns-badge--a { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }
.dns-badge--aaaa { background: rgba(99, 102, 241, 0.2); color: #6366f1; }
.dns-badge--mx { background: rgba(34, 197, 94, 0.2); color: #16a34a; }
.dns-badge--ns { background: rgba(245, 158, 11, 0.2); color: #d97706; }
.dns-badge--txt { background: rgba(236, 72, 153, 0.2); color: #db2777; }
.dns-badge--cname { background: rgba(168, 85, 247, 0.2); color: #9333ea; }
.dns-badge--soa { background: rgba(239, 68, 68, 0.2); color: #dc2626; }

.dns-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.65rem;
}

.dns-card__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.65rem;
}

.dns-card__dl {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 0.35rem 0.75rem;
    font-size: 0.8125rem;
}

.dns-card__dl dt {
    color: var(--text-faint);
    font-weight: 500;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}

.empty-state--success {
    padding: 2.5rem;
    background: var(--success-soft);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: var(--radius);
}

.empty-state--success .empty-state__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: var(--success);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state--success h3 {
    color: var(--success);
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
}

/* Features & FAQ */
.features { margin: 3rem 0; }

.section-head {
    text-align: center;
    margin-bottom: 2rem;
}

.section-head h2,
.faq .section-head h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-head p { color: var(--text-muted); font-size: 0.95rem; }

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.feature-card__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 10px;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.faq { margin-bottom: 2rem; }

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.125rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    margin-left: auto;
    color: var(--text-faint);
}

.faq-item[open] summary::after { content: '−'; }

.faq-item__num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
}

.faq-item p {
    padding: 0 1.125rem 1rem 3.35rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    text-align: center;
}

.site-footer p { font-size: 0.8125rem; color: var(--text-faint); }

/* Lang switch */
.lang-switch {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.lang-switch__btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-muted);
    background: var(--bg-card);
}

.lang-switch__btn.is-active {
    color: var(--accent);
    background: var(--accent-soft);
}

/* Stats panel */
.stats-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.stats-panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.stats-panel__head h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.stats-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--success);
}

.stats-live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

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

.stat-tile {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
}

.stat-tile--wide { grid-column: 1 / -1; }
.stat-tile--last { grid-column: 1 / -1; }

.stat-tile__value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stat-tile__value--sm {
    font-size: 1rem;
    font-weight: 600;
    word-break: break-all;
}

.stat-tile__label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-faint);
    margin-top: 0.25rem;
}

.stat-tile--wide .stat-tile__label { margin-top: 0; margin-bottom: 0.5rem; }

.stat-tld-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.stat-tld-list li {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.stat-tld-name {
    font-family: var(--mono);
    color: var(--accent);
    font-weight: 600;
}

.stat-tld-count { color: var(--text-muted); font-weight: 600; }
.stat-tld-empty { color: var(--text-faint); font-size: 0.875rem; }

.cache-notice { margin-bottom: 1rem; }

/* Propagation */
.prop-ref {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

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

.prop-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.prop-card--warn { border-color: rgba(245, 158, 11, 0.4); }

.prop-card__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.prop-card__head h3 { font-size: 0.9rem; font-weight: 600; }

.prop-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.prop-badge--ok { background: var(--success-soft); color: var(--success); }
.prop-badge--warn { background: var(--warning-soft); color: var(--warning); }
.prop-badge--muted { background: var(--chip-bg); color: var(--text-faint); }

.prop-card__body { padding: 0.75rem 1rem; }

.prop-row + .prop-row { margin-top: 0.65rem; }

.prop-row__label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-faint);
    margin-bottom: 0.2rem;
}

.prop-row__values { font-size: 0.8125rem; word-break: break-all; }

.rdap-source-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.rdap-dl { margin-bottom: 1rem; }

.raw-block--compact { max-height: 280px; }

/* Responsive */
@media (max-width: 900px) {
    .result-layout {
        grid-template-columns: 1fr;
    }

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

    .stat-cards {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .expiry-progress,
    .sidebar-ns {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    .header-nav { display: none; }

    .search-field {
        flex-direction: column;
        padding: 0.5rem;
    }

    .search-field button {
        min-width: unset;
        width: 100%;
        padding: 0.85rem;
    }

    .search-field button .btn-label,
    .search-field button .btn-spinner { display: none; }

    .search-field button .btn-icon-mobile { display: block; }

    .date-cards { grid-template-columns: 1fr; }

    .info-dl {
        grid-template-columns: 1fr;
        gap: 0.15rem 0;
    }

    .info-dl dt { margin-top: 0.5rem; }

    .features-grid { grid-template-columns: 1fr; }

    .faq-item p { padding-left: 1.125rem; }

    .result-sidebar { grid-template-columns: 1fr; }
    .stat-cards { grid-template-columns: 1fr; }

    .dns-desktop { display: none; }
    .dns-mobile { display: block; }

    .prop-grid { grid-template-columns: 1fr; }

    .lang-switch { display: none; }
}