:root {
  color-scheme: light;

  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --card: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #4b5563;

  /* --brand is the button/fill color; --brand-text is legible as text/small marks. */
  --brand: #2563eb;
  --brand-hover: #1d4ed8;
  --brand-contrast: #ffffff;
  --brand-text: #1d4ed8;
  --brand-soft: #eff6ff;

  --ok: #15803d;
  --warn: #b45309;
  --danger: #dc2626;

  --ok-bg: #f0fdf4;
  --ok-border: #bbf7d0;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  --header-bg: rgba(255, 255, 255, 0.82);
  --code-bg: #f5f6f8;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
  --shadow-lift: 0 10px 24px -12px rgba(17, 24, 39, 0.22), 0 2px 6px rgba(17, 24, 39, 0.06);

  --radius: 12px;
  --radius-sm: 10px;
  --maxw: 900px;
  --measure: 44rem;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 22px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 44px;

  /* Type scale */
  --text-xs: 0.78rem;
  --text-sm: 0.85rem;
  --text-md: 0.95rem;
  --text-lg: 1.1rem;
}

html[data-theme='dark'] {
  color-scheme: dark;

  --bg: #0b0d10;
  --bg-soft: #14171c;
  --card: #12151a;
  --border: #262b33;
  --text: #e8eaed;
  --muted: #9aa3af;

  /* Button fill stays dark enough for white text and light link text. */
  --brand: #2563eb;
  --brand-hover: #1d4ed8;
  --brand-contrast: #ffffff;
  --brand-text: #93c5fd;
  --brand-soft: #16233c;

  --ok: #4ade80;
  --warn: #fbbf24;
  --danger: #f87171;

  --ok-bg: #0f1f16;
  --ok-border: #1f5136;
  --warn-bg: #241f10;
  --warn-border: #5c4a1a;
  --danger-bg: #241314;
  --danger-border: #5c2626;

  --header-bg: rgba(11, 13, 16, 0.82);
  --code-bg: #0f1216;
  --shadow: none;
  --shadow-lift: 0 12px 28px -14px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--brand-text);
}

::selection {
  background: var(--brand-soft);
  color: var(--text);
}

* {
  scrollbar-color: color-mix(in srgb, var(--muted) 45%, transparent) transparent;
  scrollbar-width: thin;
}

:focus-visible {
  outline: 2px solid var(--brand-text);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

a {
  color: var(--brand-text);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: var(--text-md);
  font-weight: 600;
  box-shadow: var(--shadow-lift);
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 12px;
  text-decoration: none;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header.site {
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  max-width: 960px;
  min-height: 60px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand {
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  white-space: nowrap;
  margin-right: auto;
}

.brand span {
  color: var(--brand-text);
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

nav a {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 6px 2px;
}

nav a:hover,
nav a[aria-current='page'] {
  color: var(--text);
  text-decoration: none;
}

nav a[aria-current='page'] {
  font-weight: 600;
}

nav a.nav-templates {
  color: var(--brand-text);
  font-weight: 600;
}

nav a.nav-templates:hover {
  color: var(--brand-text);
  text-decoration: underline;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .icon-sun {
  display: none;
}

html[data-theme='dark'] .theme-toggle .icon-sun {
  display: block;
}

html[data-theme='dark'] .theme-toggle .icon-moon {
  display: none;
}

.icon-link {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
}

.icon-link:hover {
  color: var(--text);
  background: var(--bg-soft);
  text-decoration: none;
}

.icon-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

main {
  padding: 56px 0 72px;
}

/* Typography */
h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

h2 {
  margin-top: 44px;
  letter-spacing: -0.02em;
}

h3 {
  letter-spacing: -0.01em;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 44rem;
}

.muted {
  color: var(--muted);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Components */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  min-width: 0;
  overflow-wrap: anywhere;
}

section + .card {
  margin-top: var(--space-5);
}

a.card {
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

a.card:hover {
  border-color: var(--brand-text);
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(min(230px, 100%), 1fr));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  background: var(--brand);
  color: var(--brand-contrast);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
}

.btn:hover {
  background: var(--brand-hover);
  text-decoration: none;
}

.btn.secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn.secondary:hover {
  background: var(--bg-soft);
}

.btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

label {
  display: block;
  font-weight: 600;
  margin: 16px 0 6px;
  font-size: 0.95rem;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

details.advanced {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2px 12px 12px;
}

details.advanced > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 0;
}

details.advanced label {
  margin-top: 8px;
}

#target-warning {
  color: var(--warn);
}

input:not([type='checkbox']):not([type='radio']),
select,
textarea {
  width: 100%;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
  font: inherit;
}

input:not([type='checkbox']):not([type='radio']):focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--brand-text);
  outline-offset: 1px;
  border-color: var(--brand-text);
}

input[aria-invalid='true'],
select[aria-invalid='true'],
textarea[aria-invalid='true'] {
  border-color: var(--danger);
  outline-color: var(--danger);
}

.subdomain-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.subdomain-row input {
  min-width: 0;
}

.field-error {
  color: var(--danger);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: 4px;
}

input[type='checkbox'],
input[type='radio'] {
  width: auto;
  accent-color: var(--brand);
}

.checkline {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 400;
}

.checkline input {
  margin-top: 5px;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.notice {
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 18px 0;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}

.notice.ok {
  border-color: var(--ok-border);
  background: var(--ok-bg);
}

.notice.error {
  border-color: var(--danger-border);
  background: var(--danger-bg);
}

.notice.warn {
  border-color: var(--warn-border);
  background: var(--warn-bg);
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--bg-soft);
}

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pill.pending {
  background: var(--warn-bg);
  color: var(--warn);
}

.pill.verified,
.pill.live,
.pill.active {
  background: var(--ok-bg);
  color: var(--ok);
}

.pill.rejected,
.pill.removed {
  background: var(--danger-bg);
  color: var(--danger);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 20px 52px;
  border-left: 1px solid var(--border);
  margin-left: 16px;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: -16px;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand-soft);
  border: 1px solid var(--brand-text);
  color: var(--brand-text);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.copy-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 30px 0;
}

footer.site .wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-note {
  margin: 0;
  max-width: 44rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
}

.footer-copy {
  margin-left: auto;
}

/* Layout helpers */
.center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.stack > * + * {
  margin-top: var(--space-4);
}

.narrow {
  max-width: var(--measure);
}

.mt-0 {
  margin-top: 0;
}
.mt-4 {
  margin-top: var(--space-4);
}
.mt-5 {
  margin-top: var(--space-5);
}
.mt-6 {
  margin-top: var(--space-6);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-2);
}

.toolbar input,
.toolbar select {
  min-width: 0;
}

.count {
  color: var(--muted);
  font-size: var(--text-md);
  margin-top: var(--space-2);
}

.status {
  color: var(--muted);
  min-height: 1.5rem;
}

.filter-empty {
  text-align: center;
  padding: var(--space-6) var(--space-5);
  gap: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.filter-empty .btn {
  margin-top: var(--space-1);
}

.skeleton {
  height: 96px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(
    100deg,
    var(--bg-soft) 30%,
    color-mix(in srgb, var(--border) 60%, var(--bg-soft)) 50%,
    var(--bg-soft) 70%
  );
  background-size: 200% 100%;
  animation: skeleton 1.4s ease-in-out infinite;
}

.domain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.domain-list > li {
  display: flex;
  min-width: 0;
}

.domain-list > .filter-empty {
  grid-column: 1 / -1;
}

.domain-list > li > a.card {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

.domain-list .row-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.domain-list .row-top strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

@keyframes skeleton {
  from {
    background-position: 150% 0;
  }
  to {
    background-position: -50% 0;
  }
}

/* Landing */
.hero {
  padding-top: var(--space-2);
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.5rem);
}

.hero h1 .name {
  color: var(--brand-text);
  white-space: nowrap;
}

.hero-demo {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  margin-top: var(--space-4);
  color: var(--text);
}

.hero-demo .host {
  color: var(--muted);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: center;
  margin-top: var(--space-5);
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: var(--text-md);
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-row li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  flex: none;
}

.band {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: var(--space-7) var(--space-5);
  margin-top: var(--space-8);
}

.band h2 {
  margin-top: 0;
}

.pass-on {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .pass-on {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

.host-list {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.host-list li + li {
  border-top: 1px solid var(--border);
}

.host-list-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--text);
}

.host-list-item:hover {
  background: var(--bg-soft);
  text-decoration: none;
}

.host-list-name {
  font-weight: 600;
}

.host-list-target {
  color: var(--muted);
  font-size: var(--text-sm);
}

.host-list-note {
  color: var(--muted);
  font-size: var(--text-sm);
  flex: 1 1 auto;
}

.host-list-go {
  margin-left: auto;
  color: var(--brand-text);
  font-weight: 600;
  font-size: var(--text-md);
  white-space: nowrap;
}

@media (max-width: 1000px) {
  header.site .wrap {
    column-gap: 8px;
  }

  nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 600px) {
  main {
    padding: 40px 0 56px;
  }

  .footer-copy {
    margin-left: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Django form errors and flash messages */
.messages {
  margin-top: var(--space-5);
}
.messages .notice + .notice {
  margin-top: var(--space-3);
}
.errorlist {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  color: var(--danger);
  font-size: var(--text-sm);
}
.notice.info {
  background: var(--brand-soft);
  border-color: color-mix(in srgb, var(--brand) 22%, var(--border));
  color: var(--text);
}
.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: var(--space-5);
}
.table-wrap table {
  min-width: 760px;
}
.prose {
  max-width: var(--measure);
}
.prose > h1:first-child {
  margin-top: 0;
}
.prose img {
  max-width: 100%;
  height: auto;
}

/* HowItWorks animation (ported from the Astro component). */
.hiw {
  --hiw-ink: var(--text);
  --hiw-muted: var(--muted);
  --hiw-brand: var(--brand-text);
  --hiw-ok: #12b76a;
  --hiw-dur: 3.5s;

  background-color: var(--bg-soft);
  border-radius: var(--radius);
  padding: var(--space-5);
  margin: var(--space-5) 0 0;
  display: flex;
  justify-content: center;
  animation: hiw-wash var(--hiw-dur) ease-out infinite both;
}
.hiw-svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
}
.hiw-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.hiw-line { fill: var(--hiw-ink); font-weight: 600; }
.hiw-line-old { fill: var(--hiw-muted); font-weight: 400; }
.hiw-brand { fill: var(--hiw-brand); }
.hiw-flash { fill: var(--hiw-ok); font-weight: 600; opacity: 0; }

.hiw-del-rect,
.hiw-typ-rect {
  transform: scaleX(1);
  transform-origin: left center;
  transform-box: fill-box;
}
.hiw-old { opacity: 0; }
.hiw-new { opacity: 0; }
.hiw-typ-rect { transform: scaleX(0); }
.hiw-old { animation: hiw-oldfade var(--hiw-dur) ease-out infinite both; }
.hiw-del-rect { animation: hiw-del var(--hiw-dur) infinite both; }
.hiw-typ-rect { animation: hiw-typ var(--hiw-dur) infinite both; }
.hiw-new {
  transform-box: fill-box;
  transform-origin: center;
  animation:
    hiw-newfade var(--hiw-dur) linear infinite both,
    hiw-pop var(--hiw-dur) ease-out infinite both;
}
.hiw-flash { animation: hiw-flash var(--hiw-dur) ease-out infinite both; }

.hiw.hiw-paused,
.hiw.hiw-paused * { animation-play-state: paused !important; }

@keyframes hiw-oldfade {
  0% { opacity: 0; }
  6%, 100% { opacity: 1; }
}
@keyframes hiw-newfade {
  0%, 40% { opacity: 0; }
  46%, 92% { opacity: 1; }
  98%, 100% { opacity: 0; }
}
@keyframes hiw-del {
  0%, 14% { transform: scaleX(1); animation-timing-function: cubic-bezier(0.42, 0, 1, 1); }
  46%, 100% { transform: scaleX(0); }
}
@keyframes hiw-typ {
  0%, 46% { transform: scaleX(0); animation-timing-function: cubic-bezier(0, 0, 0.58, 1); }
  80%, 100% { transform: scaleX(1); }
}
@keyframes hiw-pop {
  0%, 78% { transform: scale(1); }
  83% { transform: scale(1.05); }
  88%, 100% { transform: scale(1); }
}
@keyframes hiw-flash {
  0%, 78% { opacity: 0; }
  82% { opacity: 0.92; }
  90%, 100% { opacity: 0; }
}
@keyframes hiw-wash {
  0%, 78% { background-color: var(--bg-soft); }
  82% { background-color: color-mix(in srgb, var(--hiw-ok) 16%, var(--bg-soft)); }
  90%, 100% { background-color: var(--bg-soft); }
}
@media (prefers-reduced-motion: reduce) {
  .hiw { animation: none !important; background-color: var(--bg-soft); }
  .hiw-svg * { animation: none !important; }
  .hiw-del-rect { transform: scaleX(0); }
  .hiw-typ-rect { transform: scaleX(1); }
  .hiw-flash { display: none; }
  .hiw-old,
  .hiw-new,
  .hiw-new-inner { opacity: 1; }
}