*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #ffffff;
  font-family: "Mirador", sans-serif;
}

/* ── Title ──────────────────────────────────────────────────────────────── */

.encabezado {
  position: absolute;
  top: 0;
  left: 0;
  margin: 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  pointer-events: none;
}

.titulo {
  margin: 0;
  font-weight: 700;
  /* large enough (default h1 size, ~32px bold) to keep the vivid brand
     orange — 3.25:1 clears the AA large-text threshold (3:1) */
  color: #ec6608;
  pointer-events: none;
}

.volver {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  color: #a34606;
  background: #ffffff;
  border: 1.5px solid #a34606;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  text-decoration: none;
  cursor: pointer;
  pointer-events: auto;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.volver:hover,
.volver:focus-visible {
  background: #a34606;
  color: #ffffff;
}

/* ── SVG canvas ─────────────────────────────────────────────────────────── */

#main-svg {
  display: block;
  width: 100vw;
  height: calc(100vh - 52px);
  background: #ffffff;
  touch-action: none;
}

/* Draggable node labels */
#main-svg [data-node-id] {
  cursor: grab;
  transition: opacity 0.18s;
  opacity: 0.88;
}
#main-svg [data-node-id]:hover {
  opacity: 1;
}
#main-svg.dragging {
  cursor: grabbing;
}
#main-svg.dragging [data-node-id] {
  cursor: grabbing;
}

/* ── Error banner ───────────────────────────────────────────────────────── */

.error-msg {
  display: none;
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 10px 20px;
  border-radius: 4px;
  background: #ffffff;
  border: 1px solid #a34606;
  color: #a34606;
  font-family: "Mirador", sans-serif;
  font-size: 13px;
  line-height: 1.5;
  max-width: 460px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(236, 102, 8, 0.15);
}

/* ── Control bar ────────────────────────────────────────────────────────── */

.control-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 52px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  background: #ffffff;
  border-top: 1px solid #a34606;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-label {
  font-family: "Mirador", sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #a34606;
  white-space: nowrap;
  user-select: none;
}

/* ── Range sliders ──────────────────────────────────────────────────────── */

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 78px;
  height: 3px;
  border-radius: 2px;
  background: rgba(236, 102, 8, 0.2);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #a34606;
  cursor: pointer;
  border: none;
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #a34606;
  cursor: pointer;
  border: none;
}

/* ── Select ─────────────────────────────────────────────────────────────── */

select {
  font-family: "Mirador", sans-serif;
  font-size: 11px;
  color: #a34606;
  border: 1px solid #a34606;
  border-radius: 3px;
  padding: 3px 6px;
  background: #ffffff;
  cursor: pointer;
  outline: none;
}

select:hover {
  background: #a34606;
  color: #ffffff;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */

button {
  font-family: "Mirador", sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #a34606;
  border: 1px solid #a34606;
  border-radius: 3px;
  background: #ffffff;
  padding: 5px 11px;
  cursor: pointer;
  outline: none;
  user-select: none;
  transition: background 0.1s, color 0.1s;
}

button:hover {
  background: #a34606;
  color: #ffffff;
}

button:active {
  background: #a34606;
  color: #ffffff;
}

.template-btn.active {
  background: #a34606;
  color: #ffffff;
  border-color: #a34606;
}

/* ── Responsive / Mobile ─────────────────────────────────────────────────── */

@media (max-width: 600px) {
  :root { --bar-h: 92px; }

  /* Two-row control bar */
  .control-bar {
    height: var(--bar-h);
    flex-wrap: wrap;
    align-content: space-around;
    gap: 0 10px;
    padding: 6px 14px;
  }

  /* Hide text labels — the controls are self-explanatory on touch */
  .control-label {
    display: none;
  }

  /* First group (slider): fill row 1 */
  .control-bar > .control-group:nth-child(-n+1) {
    flex: 1 1 auto;
    justify-content: center;
  }

  /* Button groups (2+): auto-size, stay on row 2 */
  .control-bar > .control-group:nth-child(n+2) {
    flex: 0 0 auto;
  }

  /* Range sliders: bigger thumb for touch */
  input[type="range"] {
    width: 60px;
    height: 4px;
    cursor: pointer;
  }
  input[type="range"]::-webkit-slider-thumb {
    width: 18px;
    height: 18px;
  }
  input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #a34606;
    cursor: pointer;
    border: none;
  }

  /* Select: compact but readable */
  select {
    font-size: 12px;
    padding: 4px 6px;
    max-width: 90px;
  }

  /* Buttons: taller tap target */
  button {
    padding: 6px 12px;
    font-size: 10px;
    -webkit-tap-highlight-color: transparent;
  }

  /* SVG canvas: account for taller bar */
  #main-svg {
    height: calc(100vh - var(--bar-h));
  }
}