:root {
  --bg: #071923;
  --panel: #0d2531;
  --panel-soft: #123240;
  --text: #f8f9f2;
  --muted: #b9d8eb;
  --blue: #0072bc;
  --line: #1b4c62;
  --white: #f8f9f2;
  --black: #111111;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 Arial, sans-serif;
}

.shell {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 28px 0;
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(360px, 520px);
  gap: 18px;
}

.preview-panel,
.form-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.preview-panel {
  min-height: calc(100vh - 56px);
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 24px;
}

.plate-card {
  width: 100%;
  padding: 18px;
  background: #041119;
  border: 1px solid var(--line);
  border-radius: 8px;
}

svg {
  width: 100%;
  display: block;
}

.plate-title {
  font: 700 8.4px Georgia, serif;
  fill: var(--blue);
}

.plate-main {
  font: 900 13px "Arial Narrow", Arial, sans-serif;
  fill: var(--blue);
}

.plate-slogan {
  font: 800 5.4px Arial, sans-serif;
  fill: var(--blue);
}

.summary {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

#summaryText {
  font-weight: 900;
  color: var(--white);
  letter-spacing: .04em;
}

#summaryOptions {
  color: var(--muted);
  font-size: 14px;
}

.form-panel {
  padding: 24px;
}

h1 {
  margin: 0 0 4px;
  font-size: 26px;
}

p {
  margin: 0 0 18px;
  color: var(--muted);
}

form {
  display: grid;
  gap: 14px;
}

.grid {
  display: grid;
  gap: 14px;
}

.two {
  grid-template-columns: 1fr 1fr;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea,
button {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--line);
  font: inherit;
}

input,
select,
textarea {
  min-height: 42px;
  padding: 10px 11px;
  background: #071923;
  color: var(--text);
}

textarea { resize: vertical; }

button {
  min-height: 46px;
  border: 0;
  background: var(--blue);
  color: var(--white);
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  opacity: .6;
  cursor: progress;
}

#status {
  min-height: 22px;
  margin: 0;
}

.trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .two {
    grid-template-columns: 1fr;
  }

  .form-panel,
  .preview-panel {
    padding: 16px;
  }
}