.dt-page {
  --dt-ink: #f8fafc;
  --dt-muted: #c7d2e5;
  --dt-line: rgba(255, 255, 255, 0.14);
  --dt-surface: rgba(15, 23, 42, 0.82);
  --dt-panel: rgba(17, 24, 39, 0.92);
  --dt-panel-hover: rgba(30, 41, 59, 0.96);
  --dt-blue: #4f8cff;
  --dt-green: #22c55e;
  --dt-cyan: #14b8a6;
  background: linear-gradient(180deg, #0b1020 0%, #101624 46%, #0f172a 100%);
  color: var(--dt-ink);
  min-height: 100vh;
}

.dt-hero {
  background:
    radial-gradient(circle at 18% 24%, rgba(20, 184, 166, 0.24) 0%, rgba(20, 184, 166, 0.08) 30%, transparent 52%),
    radial-gradient(circle at 82% 8%, rgba(79, 140, 255, 0.32) 0%, rgba(79, 140, 255, 0.08) 32%, transparent 54%),
    linear-gradient(135deg, #090d1b 0%, #11172a 56%, #0b1020 100%);
  border-bottom: 1px solid var(--dt-line);
  color: var(--dt-ink);
  overflow: hidden;
  padding: 128px 0 70px;
  position: relative;
}

.dt-hero::before {
  background: url("/static/hub/img/bg/grid.jpg") center center / cover no-repeat;
  content: "";
  filter: saturate(0.9) brightness(0.55);
  inset: 0;
  opacity: 0.14;
  pointer-events: none;
  position: absolute;
}

.dt-hero .container {
  position: relative;
  z-index: 1;
}

.dt-hero h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 1rem;
}

.dt-hero p {
  color: var(--dt-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 780px;
}

.dt-support {
  background: rgba(15, 23, 42, 0.86);
  border-bottom: 1px solid var(--dt-line);
  color: var(--dt-muted);
  padding: 14px 0;
}

.dt-tool-section {
  padding: 48px 0 28px;
}

.dt-shell,
.dt-content-card,
.dt-faq-card {
  background: var(--dt-surface);
  border: 1px solid var(--dt-line);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
}

.dt-shell {
  padding: clamp(1rem, 3vw, 2rem);
}

.dt-grid {
  display: grid;
  gap: 1rem;
}

.dt-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dt-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dt-field {
  display: grid;
  gap: 0.45rem;
}

.dt-field label,
.dt-label {
  color: var(--dt-ink);
  font-weight: 700;
  font-size: 0.92rem;
}

.dt-field input,
.dt-field select,
.dt-field textarea {
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(199, 210, 229, 0.24);
  border-radius: 8px;
  color: var(--dt-ink);
  font-size: 1rem;
  min-height: 46px;
  padding: 0.75rem 0.85rem;
  width: 100%;
}

.dt-field select option {
  background: #111827;
  color: var(--dt-ink);
}

.dt-field input:focus,
.dt-field select:focus,
.dt-field textarea:focus {
  border-color: rgba(79, 140, 255, 0.75);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.18);
  outline: none;
}

.dt-field input::placeholder,
.dt-field textarea::placeholder {
  color: rgba(199, 210, 229, 0.58);
}

.dt-field textarea {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  min-height: 140px;
}

.dt-field small {
  color: var(--dt-muted);
}

.dt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.dt-btn {
  align-items: center;
  background: var(--dt-blue);
  border: 1px solid var(--dt-blue);
  border-radius: 8px;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1rem;
}

.dt-btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--dt-line);
  color: var(--dt-ink);
}

.dt-btn:hover {
  filter: brightness(0.96);
}

.dt-results {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.dt-result {
  background: var(--dt-panel);
  border: 1px solid var(--dt-line);
  border-radius: 8px;
  padding: 0.85rem;
}

.dt-result strong {
  color: var(--dt-muted);
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.dt-result code,
.dt-result span {
  color: var(--dt-ink);
  overflow-wrap: anywhere;
}

.dt-status {
  border-radius: 8px;
  display: none;
  font-weight: 700;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
}

.dt-status.ok {
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(34, 197, 94, 0.34);
  color: #bbf7d0;
  display: block;
}

.dt-status.error {
  background: rgba(239, 68, 68, 0.16);
  border: 1px solid rgba(239, 68, 68, 0.34);
  color: #fecaca;
  display: block;
}

.dt-table {
  border-collapse: collapse;
  margin-top: 1rem;
  width: 100%;
}

.dt-table th,
.dt-table td {
  border-bottom: 1px solid var(--dt-line);
  padding: 0.7rem;
  text-align: left;
  vertical-align: top;
}

.dt-table td {
  color: var(--dt-ink);
}

.dt-table th {
  color: var(--dt-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.dt-content-section {
  padding: 20px 0 64px;
}

.dt-content-card,
.dt-faq-card {
  margin-top: 1rem;
  padding: clamp(1rem, 3vw, 2rem);
}

.dt-content-card h2,
.dt-faq-card h2 {
  color: var(--dt-ink);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0;
}

.dt-content-card p,
.dt-faq-card p,
.dt-content-card li {
  color: var(--dt-muted);
  line-height: 1.75;
}

.dt-content-card code,
.dt-faq-card code {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--dt-line);
  border-radius: 6px;
  color: var(--dt-ink);
  padding: 0.12rem 0.35rem;
}

.dt-related {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.dt-related a {
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.34);
  border-radius: 999px;
  color: #67e8f9;
  font-weight: 700;
  padding: 0.45rem 0.8rem;
  text-decoration: none;
}

.dt-related a:hover {
  background: rgba(20, 184, 166, 0.2);
  color: #a5f3fc;
}

.dt-check {
  align-items: center;
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  color: var(--dt-muted);
}

.dt-check input {
  width: auto;
}

@media (max-width: 768px) {
  .dt-grid.two,
  .dt-grid.three {
    grid-template-columns: 1fr;
  }

  .dt-hero {
    padding-top: 150px;
  }
}