/* ============================================================
   Estilos especificos por pantalla.
   (lo compartido vive en components.css)
   ============================================================ */

/* --- Pantalla: Seleccion --- */
.screen {
  animation: fadeIn var(--t) both;
}

/* Bloque de peso de camión: aparece/desaparece con una transición suave de
   altura (grid-rows 0fr→1fr) para que no "salte" todo el contenido de abajo. */
.tonelaje {
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 0;
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows var(--t), opacity var(--t), margin-bottom var(--t);
}
.tonelaje.is-open {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-bottom: var(--sp-5);
}
.tonelaje__inner {
  overflow: hidden;
  min-height: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-4);
}
.tonelaje label {
  font-weight: 600;
  color: var(--ink-2);
  font-size: var(--fs-sm);
}
.select {
  flex: 1;
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-weight: 600;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B93A3' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-3) center;
  background-size: 18px;
}
.select:focus {
  border-color: var(--brand);
}

.hint {
  text-align: center;
  color: var(--ink-3);
  font-size: var(--fs-sm);
  margin-top: var(--sp-4);
}

.error-text {
  color: var(--danger);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-align: center;
  min-height: 1.2em;
  margin-bottom: var(--sp-3);
}

/* --- Grid de logos de marcas (pantalla Datos) --- */
.marca-label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: var(--sp-2);
}
.marcas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: var(--sp-2);
}
.marca-logo {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: var(--sp-3) var(--sp-2);
  min-height: 66px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t), background var(--t);
}
.marca-logo img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: grayscale(0.15);
  transition: filter var(--t);
}
.marca-logo span {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--ink-3);
  transition: color var(--t);
}
.marca-logo:hover {
  border-color: var(--line-strong);
  background: var(--surface);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.marca-logo:hover img {
  filter: none;
}
.marca-logo:hover span {
  color: var(--ink);
}
.marca-logo.is-selected {
  border-color: var(--brand);
  background: var(--brand-tint);
  box-shadow: 0 0 0 3px var(--brand-tint);
}
.marca-logo.is-selected img {
  filter: none;
}
.marca-logo.is-selected span {
  color: var(--brand-ink);
}
.marca-logo.is-selected::after {
  content: "✓";
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  background: var(--brand);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.marca-logo--otra {
  border-style: dashed;
  background: transparent;
}
.marca-logo--otra span {
  color: var(--ink-3);
  font-weight: 700;
}