:root {
  --ink: #e8f6ff;
  --navy: #0b3558;
  --navy-deep: #041018;
  --line: rgba(46, 196, 182, 0.5);
  --cyan: #2ec4b6;
  --teal-d: #7ee0d6;
  --muted: #9ec0d4;
  --gold: #ffd166;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --serif: "IBM Plex Serif", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; height: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--navy-deep);
}
.hidden { display: none !important; }
.lab-bg {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(46,196,182,0.12), transparent 50%),
    linear-gradient(180deg, #062033, #041018);
}
.lab-bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(126,224,214,0.16) 1px, transparent 1.4px);
  background-size: 22px 22px;
}

.home {
  position: relative; z-index: 1;
  min-height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  padding: 48px 28px 64px;
  max-width: 760px;
}
.kicker {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--cyan);
}
.home h1 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.1;
}
.lede { margin: 0 0 28px; font-size: 20px; color: var(--gold); }
.home-note { color: var(--muted); margin: 18px 0 28px; }
.start, .bar-btn {
  appearance: none; cursor: pointer; font: inherit;
  border: 1px solid var(--line);
  background: rgba(46,196,182,0.16);
  color: var(--teal-d);
  padding: 10px 18px;
}
.start { font-size: 18px; padding: 12px 28px; }
.start:hover, .bar-btn:hover { background: rgba(46,196,182,0.32); color: #fff; }
.bar-btn.primary { background: var(--cyan); color: #041018; border-color: var(--cyan); font-weight: 600; }
.example { color: var(--teal-d); }

.maker { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; }
.maker-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 2px solid var(--line);
  background: rgba(6,18,32,0.88);
}
.wordmark {
  appearance: none; background: none; border: 0; cursor: pointer;
  font-family: var(--mono); color: var(--cyan); letter-spacing: 0.18em; font-size: 14px;
}
.bar-gap { flex: 1; }
.maker-grid {
  flex: 1; min-height: 0;
  display: grid; grid-template-columns: minmax(280px, 380px) 1fr;
}
.editor {
  overflow: auto; min-width: 0;
  border-right: 2px solid var(--line);
  background: rgba(6,18,34,0.82);
  padding: 12px 14px 40px;
}
.edit-tabs { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.tab {
  appearance: none; background: none; border: 1px solid transparent;
  color: var(--muted); font: inherit; font-size: 13px; padding: 6px 10px; cursor: pointer;
}
.tab.is-on { color: var(--teal-d); border-color: var(--line); }
.preview-wrap { min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.preview-label { margin: 8px 12px 0; font-size: 12px; color: var(--muted); }
#preview {
  flex: 1; min-height: 0; margin: 8px 12px 12px;
  border: 2px solid var(--line); background: #041018; width: calc(100% - 24px);
}

label { display: block; margin: 10px 0 4px; color: var(--teal-d); font-size: 12px; }
input, textarea, select {
  width: 100%; background: #0c2438; color: var(--ink);
  border: 1px solid var(--line); padding: 8px; font: inherit;
}
textarea { min-height: 72px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.looks { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.look {
  appearance: none; cursor: pointer; text-align: left;
  border: 1px solid var(--line); background: #0c2438; color: var(--ink);
  padding: 12px; font: inherit;
}
.look.is-on { border-color: var(--cyan); box-shadow: inset 3px 0 0 var(--cyan); }
.look b { display: block; color: var(--teal-d); margin-bottom: 4px; }
.card-ed {
  border: 1px solid var(--line); padding: 10px; margin: 0 0 12px; background: rgba(8,20,36,0.7);
}
.tiny { display: flex; gap: 6px; margin-top: 8px; }
.tiny button, .add-btn {
  appearance: none; cursor: pointer; font: inherit; font-size: 12px;
  border: 1px solid var(--line); background: rgba(46,196,182,0.12); color: var(--teal-d); padding: 6px 10px;
}
.file-name { font-size: 11px; color: var(--muted); margin-top: 4px; }

.modal {
  position: fixed; inset: 0; z-index: 20;
  background: rgba(0,0,0,0.55);
  display: grid; place-items: center; padding: 20px;
}
.modal-card {
  max-width: 520px; width: 100%;
  background: #0b2438; border: 2px solid var(--line); padding: 22px;
}
.modal-card h2 { margin: 0 0 12px; font-family: var(--serif); font-weight: 500; }
.modal-card ol, .modal-card p { color: var(--ink); line-height: 1.45; }
.modal-card a { color: var(--teal-d); }
.link-out {
  margin-top: 12px; padding: 10px; background: #041018; border: 1px solid var(--cyan);
  word-break: break-all; color: var(--teal-d);
}
.toast {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  z-index: 30; background: #0c2438; border: 1px solid var(--cyan);
  color: var(--teal-d); padding: 8px 14px;
}
@media (max-width: 900px) {
  .maker-grid { grid-template-columns: 1fr; }
  .preview-wrap { min-height: 55vh; }
  .row2, .looks { grid-template-columns: 1fr; }
}