/* toolhub.css — Hub de herramientas (capa previa al editor 3D). */

/* Overlay a pantalla completa, por encima del welcome-modal (z-200). */
.th-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  overflow-y: auto;
  animation: th-fade-in 0.32s ease both;
}

/* Rejilla blueprint sutil, coherente con el body de E-scale. */
.th-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 10, 11, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 10, 11, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

@keyframes th-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.th-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 920px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---- Cabecera ---- */
.th-head {
  text-align: center;
  margin-bottom: 40px;
}

.th-logo {
  height: 40px;
  object-fit: contain;
  opacity: 0.9;
  margin-bottom: 22px;
}

.th-title {
  font-family: var(--brand-display-font);
  font-weight: 500;
  font-size: 44px;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}

.th-subtitle {
  font-family: var(--brand-mono-font);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 10px 0 0;
}

/* ---- Rejilla de tarjetas ---- */
.th-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 18px;
}

/* ---- Tarjeta ---- */
.th-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  padding: 22px 20px 20px;
  background: #ffffff;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  cursor: pointer;
  overflow: hidden;
  font-family: var(--brand-body-font);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.th-card:hover {
  transform: translateY(-3px);
  border-color: var(--th-color);
  box-shadow: 0 14px 32px rgba(10, 10, 11, 0.1);
}

.th-card:focus-visible {
  outline: 2px solid var(--th-color);
  outline-offset: 2px;
}

/* Detalle de color superior por tarjeta. */
.th-card-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--th-color);
  opacity: 0.85;
}

.th-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--th-color);
  background: color-mix(in srgb, var(--th-color) 12%, transparent);
}

.th-card-icon i,
.th-card-icon svg {
  width: 24px;
  height: 24px;
}

.th-card-body {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.th-card-name {
  font-family: var(--brand-display-font);
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.15;
}

.th-card-desc {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--muted);
}

/* ---- Tarjeta "Próximamente" ---- */
.th-card--soon {
  cursor: not-allowed;
  background: var(--paper-2);
  opacity: 0.72;
}

.th-card--soon:hover {
  transform: none;
  border-color: var(--hairline);
  box-shadow: none;
}

.th-card--soon .th-card-bar {
  background: var(--muted);
  opacity: 0.4;
}

.th-card--soon .th-card-icon {
  color: var(--muted);
  background: rgba(106, 106, 110, 0.12);
}

.th-card--soon .th-card-name {
  color: var(--muted);
}

.th-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--brand-mono-font);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(10, 10, 11, 0.06);
  border: 1px solid var(--hairline);
  padding: 3px 8px;
  border-radius: 999px;
}

/* ---- Botón flotante "Inicio" ---- */
.th-home-btn {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 320;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px 8px 11px;
  background: #ffffff;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-family: var(--brand-body-font);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(10, 10, 11, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.th-home-btn:hover {
  transform: translateY(-1px);
  border-color: var(--brand-primary);
  box-shadow: 0 8px 20px rgba(10, 10, 11, 0.12);
}

.th-home-btn i,
.th-home-btn svg {
  width: 15px;
  height: 15px;
}

@media (max-width: 540px) {
  .th-title { font-size: 34px; }
  .th-grid { grid-template-columns: 1fr; }
}