@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@500;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg: #14161a;
  --surface: #1c1f26;
  --surface-2: #242833;
  --border: #2e333f;
  --text: #e6e8ec;
  --text-dim: #8b93a3;
  --accent: #c6f24e;
  --accent-dim: #99bd3b;
  --danger: #ff6b6b;
  --radius: 10px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --display: 'Bricolage Grotesque', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
}

/* --- Barra superior --- */
.topbar {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 16px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), var(--bg));
}
.topbar__back {
  grid-row: span 2;
  align-self: center;
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  transition: border-color .15s, color .15s;
}
.topbar__back:hover { border-color: var(--accent); color: var(--accent); }
.topbar__title {
  margin: 0;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: -.5px;
}
.topbar__title { color: var(--accent); }
.topbar__sub { margin: 0; grid-column: 2; color: var(--text-dim); }

/* --- Índice --- */
.container { max-width: 1100px; margin: 0 auto; padding: 28px; }
.search { margin-bottom: 24px; }
.search__input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
}
.search__input:focus { outline: none; border-color: var(--accent); }

.catalog__group { margin-bottom: 32px; }
.catalog__heading {
  font-family: var(--display);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin: 0 0 12px;
}
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.tag-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform .12s, border-color .12s, background .12s;
}
.tag-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--surface-2);
}
.tag-card__name { color: var(--accent); font-weight: 600; }
.tag-card__desc { color: var(--text-dim); font-size: 12px; }
.empty { color: var(--text-dim); text-align: center; padding: 40px; }

/* --- Editor --- */
.editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 28px;
}
.editor__config, .editor__output { display: flex; flex-direction: column; gap: 20px; }
.editor__output {
  position: sticky;
  top: 24px;
  align-self: start;   /* imprescindible para que sticky funcione en el grid */
  order: -1;           /* salida a la izquierda */
}
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.panel[hidden] { display: none; }
.panel__header { display: flex; justify-content: space-between; align-items: center; }
.panel__title {
  font-family: var(--display);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.panel__header .panel__title { margin: 0; }
/* La columna de salida queda fija al hacer scroll */
.editor__output {
  position: sticky;
  top: 24px;
  align-self: start;            /* evita el stretch del grid: imprescindible para sticky */
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding-right: 4px;           /* respiro para la barra de scroll */
}

/* --- Paneles colapsables --- */
.panel--collapsible .panel__header { margin-bottom: 14px; }
.panel--collapsible.is-collapsed .panel__header { margin-bottom: 0; }
.panel--collapsible.is-collapsed .panel__body { display: none; }

.panel__toggle {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.panel__chevron {
  color: var(--text-dim);
  font-size: 12px;
  transition: transform .15s;
}
.panel--collapsible.is-collapsed .panel__chevron { transform: rotate(-90deg); }
/* Campos */
.field { padding: 8px 0; border-bottom: 1px solid var(--border); }
.field:last-child { border-bottom: none; }
.field__head { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.field__head input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
.field__name { color: var(--text); }
.field__input {
  width: 100%;
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
}
.field__input:focus { outline: none; border-color: var(--accent); }
.field__input:disabled { opacity: .4; }
input[type="color"].field__input { height: 38px; padding: 4px; cursor: pointer; }

/* Subgrupos */
.subgroup__label {
  margin: 0 0 4px;
  color: var(--accent-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.subgroup { margin-top: 12px; }
.subgroup__title {
  cursor: pointer;
  color: var(--accent-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 0;
}

/* Salida */
.btn {
  padding: 6px 14px;
  background: var(--accent);
  color: #14161a;
  border: none;
  border-radius: 8px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  transition: background .12s;
}
.btn:hover { background: var(--accent-dim); }
.output {
  width: 100%;
  min-height: 120px;
  padding: 14px;
  background: #0f1115;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
  resize: vertical;
}
.preview {
  width: 100%;
  min-height: 200px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}
/* --- Árbol de estructura --- */
.tree { margin-bottom: 12px; }
.tree__row {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 6px;
  padding-right: 6px;
}
.tree__row--active { background: var(--surface-2); }
.tree__label {
  flex: 1;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 4px 0;
  cursor: pointer;
}
.tree__row--active .tree__label { color: var(--accent); }
.tree__del {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}
.tree__del:hover { color: var(--danger); }

.add-child { display: flex; gap: 8px; }
.add-child .field__input { flex: 1; margin-top: 0; }
.add-child .btn { white-space: nowrap; }

@media (max-width: 860px) {
  .editor { grid-template-columns: 1fr; }
  .editor__output { order: 0; position: static; }
}