/* Mapa estelar 3D (mapa-estelar-3d-nacimiento.html): cielo 3D, barra superior,
   alineaciones y selector de fecha emergente. */
      body.act2-open #solar-stage {
        z-index: 200;
        pointer-events: auto;
      }

      body.act2-open .screen-container,
      body.act2-open .progress-steps {
        visibility: hidden;
        pointer-events: none;
      }

      /* ============================================================
         BOTONES DE BARRA Y MODAL DE LECTURA IA EN ACTO II (COSMOS 3D)
      ============================================================ */
      .act2-nav-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
        min-height: 42px;
        padding: 8px 14px;
        border: 1px solid rgba(var(--gold-muted-rgb), 0.38);
        border-radius: var(--r-sm);
        background: rgba(var(--gold-muted-rgb), 0.12);
        color: var(--gold-light);
        font-family: var(--font-h);
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.08em;
        cursor: pointer;
        transition: background 0.2s, border-color 0.2s, color 0.2s;
        white-space: nowrap;
      }

      .act2-nav-btn:hover {
        background: rgba(var(--gold-muted-rgb), 0.25);
        border-color: rgba(var(--gold-muted-rgb), 0.65);
        color: #ffffff;
      }

      @media (max-width: 760px) {
        .act2-traditions-btn { font-size: 11px; padding: 8px 12px; }
      }

      /* ============================================================
         ACTO II — CONTROLES Y HUD
      ============================================================ */
      .act2-topbar {
        position: absolute;
        top: 0;
        right: 0;
        left: 0;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        background: rgba(6,5,26,0.9);
        border-bottom: 1px solid var(--card-border);
        backdrop-filter: blur(12px);
        z-index: 2;
        pointer-events: auto;
        min-height: 64px;
      }

      .act2-topbar-title { flex: 1; min-width: 0; text-align: center; font-size: 13px; font-weight: 600; font-family: var(--font-h); letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); }
      .act2-topbar-date { flex: 0 0 auto; font-size: 11px; color: var(--text-muted); font-family: monospace; }

      .act2-back-btn {
        background: rgba(var(--gold-muted-rgb), 0.07);
        border: 1px solid rgba(var(--gold-muted-rgb), 0.2);
        border-radius: var(--r-sm);
        padding: 8px 14px;
        color: var(--gold);
        font-family: var(--font-h);
        font-size: 11px;
        letter-spacing: 0.08em;
        cursor: pointer;
        transition: background 0.2s;
        min-width: 44px;
        min-height: 44px;
      }

      .act2-back-btn:hover { background: rgba(var(--gold-muted-rgb), 0.14); }

      .act2-labels-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
        min-width: 44px;
        min-height: 44px;
        padding: 8px 12px;
        border: 1px solid rgba(125,211,252,0.26);
        border-radius: var(--r-sm);
        background: rgba(125,211,252,0.055);
        color: #bae6fd;
        font-family: var(--font-h);
        font-size: 10px;
        letter-spacing: 0.06em;
        cursor: pointer;
        transition: background 0.2s, border-color 0.2s, color 0.2s;
      }

      .act2-labels-btn:hover,
      .act2-labels-btn[aria-pressed="true"] {
        border-color: rgba(125,211,252,0.54);
        background: rgba(125,211,252,0.14);
        color: #e0f2fe;
      }

      .act2-labels-icon { font-size: 15px; line-height: 1; }

      .act2-picker-overlay {
        position: absolute;
        bottom: 24px;
        left: 24px;
        width: 320px;
        max-height: calc(100% - 88px);
        overflow-y: auto;
        overscroll-behavior: contain;
        scrollbar-width: thin;
        scrollbar-color: rgba(var(--gold-muted-rgb), 0.35) transparent;
        background: rgba(6, 5, 26, 0.86);
        border: 1px solid rgba(var(--gold-muted-rgb), 0.32);
        border-radius: var(--r-lg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: 0 18px 60px rgba(0, 0, 0, 0.58), 0 0 35px rgba(var(--gold-muted-rgb), 0.05);
        z-index: 2;
        pointer-events: auto;
        transition: width 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
      }

      .act2-picker-overlay.is-expanded {
        width: min(380px, calc(100% - 48px));
        border-color: rgba(var(--gold-muted-rgb), 0.46);
      }

      .act2-sheet-content {
        display: flex;
        flex-direction: column;
        gap: 14px;
        padding: 14px;
      }

      .act2-mobile-toggle {
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        border: 0;
        border-radius: var(--r-md);
        padding: 12px 14px;
        color: var(--text);
        background: transparent;
        text-align: left;
        cursor: pointer;
        min-height: 52px;
      }

      .act2-mobile-toggle-label {
        font-family: var(--font-h);
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--gold-light);
      }

      .act2-mobile-toggle-meta { color: var(--text-muted); font-size: 11px; }
      .act2-mobile-toggle-icon { color: var(--gold); font-size: 16px; }
      .act2-picker-overlay.is-expanded .act2-mobile-toggle-icon { transform: rotate(180deg); }

      /* Sin efectos de movimiento: ni elevación al pasar el ratón ni transiciones. */
      .act2-mobile-toggle,
      .act2-mobile-toggle:hover,
      .act2-mobile-toggle:active,
      .act2-mobile-toggle:focus-visible {
        transform: none;
        transition: none;
        animation: none;
      }
      .act2-picker-overlay:not(.is-expanded) .act2-sheet-content { display: none; }
      .act2-picker-overlay.is-expanded .act2-mobile-toggle { border-bottom: 1px solid rgba(var(--gold-muted-rgb), 0.16); }
      .act2-title-short { display: none; }
      
      .act2-alignments-hud {
        border: 1px solid rgba(125,211,252,0.2);
        border-radius: var(--r-md);
        padding: 14px;
        background:
          linear-gradient(135deg, rgba(125,211,252,0.075), transparent 52%),
          rgba(8,8,30,0.72);
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.025);
      }
      .act2-alignments-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        font-size: 11px;
        font-weight: 800;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--text);
        margin-bottom: 2px;
      }
      .act2-alignments-count {
        display: inline-grid;
        place-items: center;
        min-width: 30px;
        height: 30px;
        padding: 0 8px;
        border: 1px solid rgba(var(--gold-muted-rgb), 0.35);
        border-radius: 999px;
        background: rgba(var(--gold-muted-rgb), 0.1);
        color: var(--gold-light);
        font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
        font-size: 12px;
      }
      .act2-alignments-subtitle { margin-bottom: 10px; color: var(--text-muted); font-size: 10px; line-height: 1.5; }
      .act2-alignments-list {
        display: grid;
        grid-template-columns: 1fr;
        gap: 5px;
        font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
        font-size: 11px;
        color: var(--text-muted);
      }
      .act2-alignment-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        min-height: 34px;
        padding: 6px 8px;
        border-left: 2px solid rgba(var(--gold-muted-rgb), 0.38);
        border-radius: 0 8px 8px 0;
        background: rgba(255,255,255,0.022);
      }
      .act2-alignment-item.strong { border-left-color: #7dd3fc; background: rgba(125,211,252,0.05); }
      .act2-alignment-item.supreme { border-left-color: #a5f3fc; background: rgba(165,243,252,0.08); }
      .act2-alignment-name { min-width: 0; color: var(--text); line-height: 1.35; }
      .act2-alignment-name.is-moon { color: var(--text-muted); padding-left: 9px; font-size: 10px; }
      .act2-alignment-level { flex: 0 0 auto; padding: 3px 7px; border-radius: 999px; background: rgba(var(--gold-muted-rgb), 0.08); font-size: 9px; text-transform: uppercase; color: var(--gold-light); }
      .act2-alignment-level.strong { color: #7dd3fc; background: rgba(125,211,252,0.09); }
      .act2-alignment-level.supreme { color: #a5f3fc; background: rgba(165,243,252,0.11); font-weight: 800; }
      .act2-empty-state { grid-column: 1 / -1; padding: 12px; border-radius: 8px; background: rgba(255,255,255,0.02); color: #817aa0; font-style: italic; text-align: center; }

      .act2-date-controls {
        padding: 11px 10px 5px;
        border: 1px solid rgba(var(--gold-muted-rgb), 0.13);
        border-radius: var(--r-md);
        background: rgba(8,7,28,0.5);
      }

      .act2-date-heading {
        display: flex;
        align-items: center;
        gap: 9px;
        padding: 0 4px 10px;
      }

      .act2-date-heading-icon { color: var(--gold); font-size: 20px; }
      .act2-date-heading strong { display: block; color: var(--text); font-family: var(--font-h); font-size: 9px; letter-spacing: 0.11em; text-transform: uppercase; }
      .act2-date-heading small { display: block; margin-top: 2px; color: var(--text-muted); font-size: 9px; }

      @media (min-width: 761px) and (max-height: 760px) {
        .act2-picker-overlay {
          bottom: 12px;
          max-height: calc(100% - 72px);
        }

        .act2-sheet-content {
          gap: 8px;
          padding: 10px;
        }

        .act2-alignments-hud { padding: 10px; }
        .act2-alignments-count {
          min-width: 26px;
          height: 26px;
        }
        .act2-alignments-subtitle {
          margin-bottom: 6px;
          line-height: 1.3;
        }
        .act2-alignments-list { gap: 3px; }
        .act2-alignment-item {
          min-height: 28px;
          padding: 3px 8px;
        }

        .act2-date-controls { padding: 8px 10px 2px; }
        .act2-date-heading { padding-bottom: 4px; }
        .act2-date-heading-icon { font-size: 18px; }
      }
      
      @media (max-width: 760px) {
        .act2-topbar {
          min-height: 56px;
          padding: max(8px, env(safe-area-inset-top)) 12px 8px;
          gap: 8px;
        }

        .act2-topbar-title {
          font-size: 10px;
          white-space: nowrap;
          overflow: hidden;
          text-overflow: ellipsis;
        }

        .act2-title-full { display: none; }
        .act2-title-short { display: inline; }
        .act2-topbar-date {
          font-size: 9px;
          white-space: nowrap;
        }
        .act2-back-btn { padding: 8px 10px; font-size: 10px; white-space: nowrap; }
        .act2-labels-btn { width: 44px; padding: 8px; }
        .act2-labels-text { display: none; }

        .act2-picker-overlay {
          right: 10px;
          bottom: max(10px, env(safe-area-inset-bottom));
          left: 10px;
          width: auto;
          max-height: calc(100% - 68px);
          overflow: auto;
        }

        .act2-picker-overlay.is-expanded { width: auto; }

        .act2-sheet-content { padding: 12px; }
        .act2-alignments-hud { padding: 12px; }
        .act2-alignments-list { grid-template-columns: 1fr; }
      }
      
      .act2-actions-row {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 8px;
        align-items: center;
        width: 100%;
      }

      .act2-btn-today {
        padding: 12px 16px;
        border-radius: var(--r-md);
        background: rgba(var(--gold-muted-rgb), 0.08);
        border: 1px solid rgba(var(--gold-muted-rgb), 0.25);
        color: var(--gold-light);
        font-family: var(--font-h);
        font-weight: 700;
        font-size: 11px;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        cursor: pointer;
        transition: background 0.2s, border-color 0.2s;
        min-height: 48px;
        white-space: nowrap;
      }
      .act2-btn-today:hover {
        background: rgba(var(--gold-muted-rgb), 0.2);
        border-color: rgba(var(--gold-muted-rgb), 0.5);
      }
      .act2-title { font-family: var(--font-h); font-size: 20px; font-weight: 700; color: var(--gold-light); margin-bottom: 8px; letter-spacing: 0.05em; }

      /* ============================================================
         ACTO II — SOLAR SYSTEM OVERLAY
      ============================================================ */
      #act2-container {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 210;
        pointer-events: none;
      }

      #act2-container.visible { display: block; }

/* La fecha del mapa es un botón de la barra superior con selector emergente. */
.act2-topbar {
  z-index: 3;
}

.act2-topbar-date {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid rgba(var(--gold-muted-rgb), 0.28);
  border-radius: var(--r-sm);
  background: rgba(var(--gold-muted-rgb), 0.06);
  color: var(--gold-light);
  font-family: var(--font-h);
  font-size: 11px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.act2-topbar-date::before {
  content: "◷";
  color: var(--gold);
  font-size: 14px;
  line-height: 1;
}

.act2-topbar-date:hover,
.act2-topbar-date[aria-expanded="true"] {
  border-color: rgba(var(--gold-muted-rgb), 0.62);
  background: rgba(var(--gold-muted-rgb), 0.16);
  color: #ffffff;
}

.act2-topbar-date:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.act2-date-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 16px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(320px, calc(100vw - 32px));
  max-height: min(72vh, 540px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--gold-muted-rgb), 0.35) transparent;
  padding: 12px;
  border: 1px solid rgba(var(--gold-muted-rgb), 0.34);
  border-radius: var(--r-md);
  background: rgba(6, 5, 26, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.58);
}

.act2-date-popover[hidden] {
  display: none;
}

.act2-date-popover .sf { --sf-fila: 30px; }

@media (max-width: 760px) {
  .act2-topbar-date {
    min-height: 38px;
    padding: 7px 10px;
    font-size: 10px;
  }

  .act2-date-popover {
    right: 10px;
    left: 10px;
    width: auto;
    max-height: min(66vh, 460px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .act2-topbar-date {
    transition: none;
  }
}