:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --code: #ffffff;
  --line: rgba(0, 0, 0, .12);
  --text: #111827;
  --sub: #856259;
  --topbar: #ffffff;
  --primary: #fa9403;
  --muted: #667085;
  --soft: #f3f4f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
}

html[data-theme="dark"] {
  --bg: #000;
  --surface: #000;
  --code: #202020;
  --line: rgba(255, 255, 255, .16);
  --text: #e5e7eb;
  --sub: #d9b8a0;
  --topbar: #000;
  --muted: #9ca3af;
  --soft: #141414;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.dt-topbar {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--topbar);
  border-bottom: 1px solid var(--line);
}
.dt-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.dt-logo { display: block; flex: 0 1 auto; }
.dt-logotop {
  width: 500px;
  max-width: 100%;
  height: auto;
  display: block;
}
.dt-title {
  color: var(--sub);
  font-weight: 700;
  white-space: nowrap;
}
.dt-actions { display: flex; gap: 8px; align-items: center; }

button,
.dt-secondary-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 12px;
  font-weight: 700;
  cursor: pointer;
}
button:hover,
.dt-secondary-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.dt-main {
  width: 100%;
  margin: 18px 0;
  padding: 0 14px 40px;
}

.og-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 16px;
  align-items: start;
}

.og-stage,
.og-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: var(--surface);
}

.og-panel h1,
.og-panel h2,
.og-stage h2,
.og-checklist h2 {
  margin: 0 0 10px;
  color: var(--sub);
  font-weight: 600;
}
.og-panel h2 { margin-top: 16px; }

.og-stage-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.og-stage-head.out { margin-top: 14px; }
.og-stage-host {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.og-preview-wrap {
  position: relative;
  min-height: 460px;
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(to right, rgba(127, 127, 127, .12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 127, 127, .12) 1px, transparent 1px),
    var(--soft);
  background-size: 28px 28px;
}

.og-card {
  width: min(100%, 720px);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 18px 60px rgba(17, 24, 39, .14);
}
html[data-theme="dark"] .og-card {
  box-shadow: 0 18px 60px rgba(0, 0, 0, .55);
}

.og-card-image {
  position: relative;
  aspect-ratio: 1200 / 630;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(250, 148, 3, .95), rgba(18, 83, 103, .92)),
    #fa9403;
  background-position: center;
  background-size: cover;
}
.og-card-image.has-image .og-card-fallback { display: none; }
.og-card-fallback {
  color: #ffffff;
  font-size: clamp(42px, 8vw, 88px);
  font-weight: 800;
  letter-spacing: 0;
}
.og-card-body { padding: 18px 20px 20px; }
.og-card-url {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.og-card h3 {
  margin: 6px 0 8px;
  color: var(--text);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}
.og-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.og-checklist {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.og-checklist ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}
.og-checklist li { color: var(--muted); }
.og-checklist li.ok { color: var(--primary); }
.og-checklist li.warn { color: var(--warn); }
.og-checklist li.bad { color: var(--bad); }

.og-row {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}
.og-row.two,
.og-check-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.og-check-grid {
  display: grid;
  gap: 8px 10px;
  margin-bottom: 12px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 700;
}
input[type="text"],
input[type="url"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  background: var(--code);
  color: var(--text);
  font-size: 13px;
}
textarea {
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.og-panel textarea {
  min-height: 88px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.og-output-textarea {
  min-height: 360px;
  cursor: copy;
  line-height: 1.45;
}
.og-output-textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--primary) 42%, transparent);
  outline-offset: 2px;
}
.og-output-textarea.is-copied {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 45%, transparent);
}
input::placeholder {
  color: var(--muted);
  opacity: .75;
}

.og-check {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0;
  font-weight: 600;
}
.og-check input { margin: 0; }
.og-mini {
  display: inline-block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}
.og-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 12px;
}
.og-status {
  min-height: 22px;
  color: var(--ok);
  font-weight: 700;
  margin: 8px 0 0;
}
.og-status.warn { color: var(--warn); }
.og-fieldset { display: block; }
.is-hidden { display: none !important; }

@media (max-width: 1200px) {
  .og-shell { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .dt-topbar {
    height: auto;
    min-height: 88px;
    align-items: flex-start;
    padding: 12px 14px;
    gap: 10px;
  }
  .dt-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .dt-logotop { width: min(500px, 72vw); }
  .dt-title { white-space: normal; }
  .og-row.two,
  .og-check-grid { grid-template-columns: 1fr; }
  .og-preview-wrap {
    min-height: 360px;
    padding: 14px;
  }
  .og-stage-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .og-card h3 { font-size: 20px; }
}