:root {
  color-scheme: dark;
  --bg: #14110f;
  --surface: #1f1a16;
  --surface-2: #241e19;
  --border: #3a332c;
  --text: #f2ede4;
  --text-muted: #a89a86;
  --accent: #c9a876;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.topbar h1 { font-size: 1.05rem; margin: 0; }

.topbar-actions { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }

.status { font-size: 0.8rem; color: var(--text-muted); min-width: 6rem; }
.status.error { color: #f2b8b8; }
.status.ok { color: #b8d9a8; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 0.5rem 0.9rem;
}

button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-accent { background: var(--accent); color: #14110f; border-color: var(--accent); font-weight: 600; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-muted); }

.layout {
  display: flex;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto;
}

.section-nav {
  position: sticky;
  top: 3.6rem;
  flex: 0 0 220px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1.25rem 1rem;
  max-height: calc(100vh - 3.6rem);
  overflow-y: auto;
}

.section-nav .nav-group-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 1rem 0 0.3rem;
  padding: 0 0.6rem;
}
.section-nav .nav-group-label:first-child { margin-top: 0; }

.section-nav button {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
}

.section-nav button:hover { color: var(--text); border-color: var(--border); }

.section-nav button.active {
  color: var(--accent);
  background: var(--surface);
  border-color: var(--border);
  font-weight: 600;
}

main {
  flex: 1;
  min-width: 0;
  padding: 1.5rem 1.5rem 4rem;
}

.section-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.section-block[hidden] { display: none; }

.section-block h2 { font-size: 1.1rem; margin: 0 0 1rem; color: var(--accent); }

@media (max-width: 820px) {
  .layout { flex-direction: column; }
  .section-nav {
    position: static;
    flex: none;
    width: 100%;
    max-height: none;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 1rem 1.5rem 0;
  }
  .section-nav .nav-group-label { width: 100%; margin: 0.5rem 0 0.2rem; padding: 0; }
  .section-nav button { width: auto; }
}

.field { margin-bottom: 1rem; }

.field label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.3rem; }

.field input[type="text"],
.field input[type="email"],
.field textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.field textarea { resize: vertical; min-height: 4.5rem; }

.field-hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.25rem; }

.field-bool { display: flex; align-items: center; gap: 0.5rem; }
.field-bool input { width: auto; }
.field-bool label { margin: 0; }

.field select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.size-field { display: flex; align-items: center; gap: 0.75rem; }
.size-field input[type="range"] { flex: 1; }
.size-value { font-size: 0.8rem; color: var(--text-muted); min-width: 3.5rem; text-align: right; }

.group-field {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem 0.2rem;
  margin-bottom: 1rem;
}
.group-field legend { font-size: 0.8rem; color: var(--accent); padding: 0 0.4rem; }

.color-field { display: flex; align-items: flex-start; gap: 0.9rem; flex-wrap: wrap; }
.color-swatch {
  width: 48px; height: 48px; border-radius: 8px; flex-shrink: 0;
  border: 1px solid var(--border);
  background-image: linear-gradient(45deg, #444 25%, transparent 25%), linear-gradient(-45deg, #444 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #444 75%), linear-gradient(-45deg, transparent 75%, #444 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
}
.color-field-controls { display: flex; flex-direction: column; gap: 0.5rem; min-width: 220px; flex: 1; }
.color-field-row { display: flex; gap: 0.5rem; align-items: center; }
.color-field-row input[type="color"] { width: 2.5rem; height: 2.2rem; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: none; }
.color-hex { width: 8rem; font-family: monospace; }
.color-channels { display: grid; grid-template-columns: 1rem 1fr 2.4rem; gap: 0.35rem 0.5rem; align-items: center; }
.channel-label { font-size: 0.72rem; color: var(--text-muted); }
.channel-value { font-size: 0.75rem; color: var(--text-muted); text-align: right; }

.richtext-toolbar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.rt-btn {
  padding: 0.3rem 0.65rem;
  font-size: 0.85rem;
  min-width: 2.1rem;
}
.rt-btn.rt-italic { font-style: italic; }
.rt-btn.rt-underline { text-decoration: underline; }

.rt-font-select {
  font-size: 0.8rem;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  max-width: 11rem;
}

.richtext-editable {
  width: 100%;
  min-height: 4.5rem;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}

.richtext-editable:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.image-field { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.image-preview {
  width: 84px; height: 84px; border-radius: 8px; object-fit: cover;
  background: var(--surface-2); border: 1px dashed var(--border);
}
.image-field-controls { display: flex; flex-direction: column; gap: 0.4rem; }
.image-field-controls input[type="text"] { width: 220px; }

.list-item-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
  background: var(--surface-2);
}

.list-item-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.list-item-card-header span { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

.list-string-row { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; }
.list-string-row input { flex: 1; }

.remove-btn { background: transparent; border-color: transparent; color: #d99; padding: 0.3rem 0.5rem; }
.add-btn { font-size: 0.8rem; }

.build-log[hidden] {
  display: none;
}

.build-log {
  position: fixed;
  inset: auto 1.5rem 1.5rem auto;
  width: min(560px, 90vw);
  max-height: 60vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.build-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.build-log pre {
  margin: 0;
  padding: 1rem;
  overflow: auto;
  font-size: 0.75rem;
  white-space: pre-wrap;
}