:root {
  color-scheme: dark;
  --ink: #eaf1ff;
  --muted: #92a3be;
  --line: rgba(169, 192, 231, 0.16);
  --surface: rgba(12, 23, 43, 0.76);
  --surface-strong: rgba(15, 31, 57, 0.93);
  --accent: #84f2bf;
  --danger: #ff8d96;
  --pending: #ffc86f;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: #07111f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.glow {
  position: fixed;
  z-index: -1;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.28;
  pointer-events: none;
}

.glow-one {
  top: -22rem;
  right: -16rem;
  background: radial-gradient(circle, #2563d8 0%, transparent 68%);
}

.glow-two {
  bottom: -25rem;
  left: -20rem;
  background: radial-gradient(circle, #009d6c 0%, transparent 68%);
}

.shell {
  width: min(100% - 2rem, 50rem);
  margin: 0 auto;
  padding: 3.75rem 0 5rem;
}

.hero {
  margin: 0 0 2.25rem;
}

.brand {
  display: inline-block;
  color: var(--ink);
  font-size: clamp(2rem, 7vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.09em;
  line-height: 1;
  text-decoration: none;
}

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

.hero p {
  max-width: 30rem;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.checker-card,
.site-card,
.empty-state {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.18);
}

.checker-card {
  padding: clamp(1.4rem, 5vw, 2.5rem);
  border-radius: 1.25rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin: 0.45rem 0 0;
  font-size: clamp(2rem, 7vw, 3.5rem);
  letter-spacing: -0.065em;
  line-height: 1;
}

.intro {
  max-width: 36rem;
  margin: 0.9rem 0 1.75rem;
  color: var(--muted);
  line-height: 1.55;
}

label,
dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

label {
  display: block;
  margin-bottom: 0.5rem;
}

.input-row {
  display: flex;
  gap: 0.65rem;
}

input,
button {
  border-radius: 0.75rem;
  font: inherit;
}

input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  outline: 0;
  padding: 0.9rem 1rem;
  color: var(--ink);
  background: rgba(4, 12, 27, 0.68);
}

input::placeholder {
  color: #60708a;
}

input:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(132, 242, 191, 0.16);
}

button {
  flex: 0 0 auto;
  border: 0;
  padding: 0.9rem 1.1rem;
  color: #062217;
  background: var(--accent);
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
}

button:hover {
  background: #a1f7d0;
}

button:focus-visible,
.suggestions a:focus-visible,
.site-url:focus-visible,
.brand:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.form-note {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.suggestions a {
  border: 1px solid var(--line);
  border-radius: 99rem;
  padding: 0.32rem 0.65rem;
  color: var(--ink);
  text-decoration: none;
}

.suggestions a:hover {
  border-color: rgba(132, 242, 191, 0.55);
  color: var(--accent);
}

.notice {
  margin: 1rem 0 0;
  border: 1px solid;
  border-radius: 0.75rem;
  padding: 0.8rem 1rem;
}

.notice.success {
  border-color: rgba(132, 242, 191, 0.35);
  color: var(--accent);
  background: rgba(40, 183, 119, 0.1);
}

.notice.error {
  border-color: rgba(255, 141, 150, 0.35);
  color: var(--danger);
  background: rgba(255, 141, 150, 0.08);
}

.sites-section {
  margin-top: 3rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

h2 {
  margin: 0.45rem 0 0;
  font-size: 1.45rem;
  letter-spacing: -0.035em;
}

.site-count {
  color: var(--muted);
  font-size: 0.8rem;
}

.site-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-card {
  padding: 1.15rem 1.25rem;
  border-radius: 0.9rem;
}

.site-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
}

.site-url {
  overflow: hidden;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-url:hover {
  color: var(--accent);
}

.status {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 0.4rem;
  align-items: center;
  border-radius: 99rem;
  padding: 0.3rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 800;
}

.status-dot {
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 50%;
  background: currentColor;
}

.status-up {
  color: var(--accent);
  background: rgba(40, 183, 119, 0.12);
}

.status-down {
  color: var(--danger);
  background: rgba(255, 141, 150, 0.1);
}

.status-pending {
  color: var(--pending);
  background: rgba(255, 200, 111, 0.1);
}

.site-meta {
  display: flex;
  gap: 2.5rem;
  margin: 1rem 0 0;
}

.site-meta div {
  display: grid;
  gap: 0.25rem;
}

dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.85rem;
}

.check-error {
  margin: 0.75rem 0 0;
  color: var(--danger);
  font-size: 0.82rem;
}

.empty-state {
  display: grid;
  min-height: 10rem;
  place-items: center;
  align-content: center;
  border-style: dashed;
  border-radius: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.empty-state span {
  color: var(--accent);
  font-size: 1.75rem;
}

.empty-state p {
  margin: 0.35rem 0 0;
}

@media (max-width: 38rem) {
  .shell {
    width: min(100% - 1.25rem, 50rem);
    padding-top: 2rem;
  }

  .input-row {
    display: grid;
  }

  button {
    width: 100%;
  }

  .site-topline {
    align-items: flex-start;
  }

  .site-url {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .site-meta {
    gap: 1.25rem;
  }
}