/* mb-drawer.css — panel lateral deslizable oficial de Mister Butler.
   Reglas en .trae/rules/UX_NAVIGATION_RULES.md. Tokens: mb-shell.css. */

.mb-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 20, 0.62);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
  z-index: 3000;
}

.mb-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mb-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100dvh;
  width: 40vw;
  min-width: 420px;
  max-width: 720px;
  background: var(--surface, #0f1b2f);
  color: var(--text-primary, #f8fafc);
  border-left: 1px solid var(--border, rgba(159, 182, 220, 0.18));
  box-shadow: -32px 0 60px rgba(0, 0, 0, 0.42);
  transform: translateX(105%);
  transition: transform 200ms ease;
  display: flex;
  flex-direction: column;
  z-index: 3010;
  outline: none;
}

.mb-drawer.is-open {
  transform: translateX(0);
}

.mb-drawer__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border, rgba(159, 182, 220, 0.18));
}

.mb-drawer__title {
  flex: 1;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mb-drawer__subtitle {
  font-size: 0.8rem;
  color: var(--text-muted, #94a3b8);
  margin-top: 2px;
}

.mb-drawer__close {
  border: none;
  background: transparent;
  color: var(--text-secondary, #cbd5e1);
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 120ms ease, color 120ms ease;
}

.mb-drawer__close:hover,
.mb-drawer__close:focus-visible {
  background: rgba(159, 182, 220, 0.12);
  color: var(--text-primary, #f8fafc);
  outline: none;
}

.mb-drawer__tabs {
  display: flex;
  gap: 4px;
  padding: 8px 12px 0;
  border-bottom: 1px solid var(--border, rgba(159, 182, 220, 0.18));
  overflow-x: auto;
  scrollbar-width: thin;
}

.mb-drawer__tab {
  background: transparent;
  border: none;
  color: var(--text-secondary, #cbd5e1);
  padding: 10px 14px;
  border-radius: 10px 10px 0 0;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.mb-drawer__tab:hover,
.mb-drawer__tab:focus-visible {
  color: var(--text-primary, #f8fafc);
  background: rgba(159, 182, 220, 0.08);
  outline: none;
}

.mb-drawer__tab.is-active {
  color: var(--brand, #76a9ff);
  border-bottom-color: var(--brand, #76a9ff);
}

.mb-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  scrollbar-width: thin;
}

.mb-drawer__body > * + * {
  margin-top: 16px;
}

.mb-drawer__loading,
.mb-drawer__empty {
  color: var(--text-muted, #94a3b8);
  font-size: 0.9rem;
  padding: 40px 8px;
  text-align: center;
}

.mb-drawer__footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border, rgba(159, 182, 220, 0.18));
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.mb-drawer__footer:empty {
  display: none;
}

@media (max-width: 1023.98px) and (min-width: 768px) {
  .mb-drawer {
    width: 60vw;
    min-width: 0;
    max-width: none;
  }
}

@media (max-width: 767.98px) {
  .mb-drawer {
    width: 100vw;
    min-width: 0;
    max-width: none;
    border-left: none;
  }

  .mb-drawer__header {
    padding: 16px;
  }

  .mb-drawer__body {
    padding: 16px;
  }
}

body.mb-drawer-open {
  overflow: hidden;
}