:root {
  --bg: #000000;
  --surface: #0a0a0c;
  --surface-subtle: #070709;
  --surface-hover: #121216;
  --border: #1c1c22;
  --border-focus: rgba(255, 255, 255, 0.4);
  --text: #ffffff;
  --text-muted: #71717a;
  --text-dim: #a1a1aa;
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Monaco, Consolas, monospace;
  --ease-out-cubic: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseLive {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.85);
  }
}

/* Topbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3.5rem;
  animation: fadeUp 0.4s var(--ease-out-cubic) both;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.brand:hover {
  opacity: 0.85;
}

.links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.88rem;
}

.links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* Hero */
.hero {
  margin-bottom: 2rem;
  animation: fadeUp 0.45s var(--ease-out-cubic) 0.05s both;
}

.hero h1 {
  font-size: 2.35rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.18;
  margin-bottom: 1rem;
  color: var(--text);
}

.lead {
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.lead code {
  font-family: var(--font-mono);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Search Form */
.search-wrap {
  width: 100%;
}

.search-form {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  width: 100%;
}

.search-input-box {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 1.15rem;
  height: 48px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.search-input-box:focus-within {
  border-color: var(--border-focus);
}

.search-input-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  min-width: 0;
}

.search-input-box input::placeholder {
  color: #3f3f46;
}

.tld {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.92rem;
  padding-left: 0.5rem;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.search-submit {
  height: 48px;
  background: #ffffff;
  color: #000000;
  border: none;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0 1.35rem;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.search-submit:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.search-submit:active {
  transform: translateY(0);
  opacity: 0.75;
}

/* Search Results */
.results-box {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.result-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1.15rem;
  gap: 1rem;
  animation: fadeUp 0.25s var(--ease-out-cubic) both;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.result-entry:hover {
  background-color: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.result-domain-line {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.result-state {
  font-size: 0.82rem;
  margin-top: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-avail {
  background: var(--green);
  animation: pulseLive 2.2s infinite ease-in-out;
}
.dot-taken { background: var(--red); }
.dot-reserved { background: var(--amber); }

.state-avail { color: var(--green); }
.state-taken { color: var(--text-muted); }
.state-reserved { color: var(--amber); }

.claim-link-btn {
  background: #ffffff;
  color: #000000;
  border: none;
  padding: 0.45rem 1rem;
  border-radius: 7px;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.15s ease;
  text-decoration: none;
}

.claim-link-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

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

.taken-link {
  color: var(--text-muted);
  font-size: 0.84rem;
  font-family: var(--font-mono);
  text-decoration: none;
  transition: color 0.15s ease;
  white-space: nowrap;
}

.taken-link:hover {
  color: var(--text);
  text-decoration: underline;
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

/* Content blocks */
.block {
  animation: fadeUp 0.5s var(--ease-out-cubic) 0.1s both;
}

.block h2 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.block p {
  color: var(--text-dim);
  font-size: 0.94rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.block p code {
  font-family: var(--font-mono);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Code box */
.code-box {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1rem;
  transition: border-color 0.18s ease;
}

.code-box:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.code-header {
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.code-box pre {
  padding: 1rem 1.15rem;
  overflow-x: auto;
}

.code-box code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: #e4e4e7;
  line-height: 1.55;
}

/* Spec / Record table */
.record-table, .ns-table {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.record-row {
  display: flex;
  padding: 0.75rem 1.15rem;
  border-bottom: 1px solid var(--border);
  gap: 1.25rem;
  background: var(--surface);
  align-items: baseline;
  transition: background-color 0.15s ease;
}

.record-row:hover {
  background-color: var(--surface-hover);
}

.record-row:last-child {
  border-bottom: none;
}

.record-type {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  width: 55px;
  color: var(--text);
  flex-shrink: 0;
}

.record-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* Nameservers */
.ns-row {
  display: grid;
  grid-template-columns: 1fr 160px 1fr;
  align-items: center;
  padding: 0.75rem 1.15rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  transition: background-color 0.15s ease;
}

.ns-row:hover {
  background-color: var(--surface-hover);
}

.ns-row:last-child {
  border-bottom: none;
}

.ns-name {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text);
  text-align: left;
}

.ns-ip {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.84rem;
  text-align: center;
  justify-self: center;
}

.ns-geo {
  color: var(--text-dim);
  text-align: right;
  justify-self: end;
}

/* Modal */
.modal-layer {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-layer.active {
  display: flex;
  animation: fadeIn 0.18s var(--ease-out-cubic) both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-window {
  background: #0d0d10;
  border: 1px solid #23232a;
  border-radius: 14px;
  max-width: 460px;
  width: 100%;
  padding: 1.75rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
  animation: modalPop 0.22s var(--ease-out-cubic) both;
}

@keyframes modalPop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(6px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.modal-header h3 span {
  font-family: var(--font-mono);
  color: var(--text);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.2rem;
  transition: color 0.15s ease, transform 0.15s ease;
}

.modal-close:hover {
  color: var(--text);
  transform: scale(1.1);
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.field input, .field select {
  width: 100%;
  background: #060608;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.field input:focus, .field select:focus {
  border-color: var(--border-focus);
}

.field-hint {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.json-box {
  background: #060608;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #d4d4d8;
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;
}

.btn-submit {
  display: block;
  background: #ffffff;
  color: #000000;
  border-radius: 8px;
  padding: 0.65rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  margin-top: 1.25rem;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.btn-submit:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

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

/* Fallback box */
.fallback-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 520px;
  margin: 6rem auto 0;
  animation: fadeUp 0.35s var(--ease-out-cubic) both;
}

.fallback-box h1 {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.fallback-box p {
  color: var(--text-dim);
  font-size: 0.94rem;
  margin-bottom: 1.75rem;
}

.fallback-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.btn-primary {
  background: #ffffff;
  color: #000000;
  padding: 0.6rem 1.15rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1.15rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.15s ease;
}

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

/* Footer */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-left {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.footer-right {
  display: flex;
  gap: 1.25rem;
}

.footer-right a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-right a:hover {
  color: var(--text);
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.85rem; }
  .topbar { margin-bottom: 2.5rem; }
  .footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .search-form {
    flex-direction: column;
    align-items: stretch;
  }
  .search-submit {
    width: 100%;
  }
  .ns-row {
    grid-template-columns: 1fr auto;
    row-gap: 0.25rem;
    padding: 0.75rem 1rem;
  }
  .ns-ip {
    grid-column: 1 / -1;
    text-align: left;
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}