/* ========================================
   FILE BROWSER - Unix Window Navigation
   Emulates a Unix/Linux file manager window
   ======================================== */

.fb-window {
  border: var(--border-width) solid var(--negro);
  border-radius: var(--radius);
  background-color: var(--crema);
  overflow: hidden;
  font-family: 'Nunito Sans', sans-serif;
  max-width: 1100px;
  margin: 0 auto;
  box-shadow: 4px 4px 0 var(--negro);
}

/* ---- Title Bar ---- */
.fb-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--negro);
  color: var(--crema);
  padding: 8px 12px;
  cursor: default;
  user-select: none;
}

.fb-titlebar-dots {
  display: flex;
  gap: 6px;
}

.fb-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1.5px solid rgba(234, 230, 225, 0.3);
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.fb-dot:hover {
  opacity: 0.7;
}
.fb-dot--close {
  background-color: #ff5f57;
}
.fb-dot--minimize {
  background-color: var(--amarillo);
}
.fb-dot--maximize {
  background-color: var(--verde);
}

.fb-titlebar-title {
  font-weight: 700;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.5px;
}

.fb-titlebar-spacer {
  width: 54px; /* balance the dots on the left */
}

/* ---- Toolbar ---- */
.fb-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background-color: var(--negro);
  border-bottom: var(--border-width) solid var(--negro);
}

.fb-toolbar-btn {
  background: rgba(234, 230, 225, 0.1);
  border: 1.5px solid rgba(234, 230, 225, 0.2);
  color: var(--crema);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease, transform 0.1s ease;
  display: flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
}
.fb-toolbar-btn:hover {
  background: rgba(234, 230, 225, 0.2);
  transform: translateY(-1px);
}
.fb-toolbar-btn:active {
  transform: translateY(0);
}
.fb-toolbar-btn.is-disabled {
  opacity: 0.3;
  pointer-events: none;
}

.fb-toolbar-separator {
  width: 1px;
  height: 20px;
  background-color: rgba(234, 230, 225, 0.15);
  margin: 0 4px;
}

/* ---- Path Bar ---- */
.fb-pathbar {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  background-color: var(--crema);
  border-bottom: var(--border-width) solid var(--negro);
  font-size: 13px;
  gap: 2px;
  overflow-x: auto;
}

.fb-pathbar-segment {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--negro);
  text-decoration: none;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.15s ease;
}
.fb-pathbar-segment:hover {
  background-color: rgba(18, 18, 18, 0.08);
}
.fb-pathbar-segment.is-active {
  background-color: var(--negro);
  color: var(--crema);
}

.fb-pathbar-separator {
  color: rgba(18, 18, 18, 0.4);
  font-size: 11px;
  user-select: none;
}

/* ---- Body (sidebar + content) ---- */
.fb-body {
  display: flex;
  min-height: 340px;
}

/* ---- Sidebar ---- */
.fb-sidebar {
  width: 200px;
  min-width: 200px;
  background-color: rgba(18, 18, 18, 0.04);
  border-right: var(--border-width) solid var(--negro);
  padding: 12px 0;
  overflow-y: auto;
}

.fb-sidebar-heading {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(18, 18, 18, 0.45);
  padding: 8px 14px 4px;
  user-select: none;
}

.fb-sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  color: var(--negro);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.12s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.fb-sidebar-item:hover {
  background-color: rgba(18, 18, 18, 0.07);
}
.fb-sidebar-item.is-active {
  background-color: var(--negro);
  color: var(--crema);
}
.fb-sidebar-item.is-active .fb-icon {
  filter: invert(1);
}

.fb-sidebar-divider {
  height: 1px;
  background-color: rgba(18, 18, 18, 0.1);
  margin: 8px 14px;
}

/* ---- Icons (emoji-based for simplicity) ---- */
.fb-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-style: normal;
}

/* ---- Content Area ---- */
.fb-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.fb-content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
}

.fb-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--negro);
  transition: background 0.12s ease, transform 0.1s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.fb-item:hover {
  background-color: rgba(18, 18, 18, 0.06);
  transform: translateY(-2px);
}
.fb-item:active {
  transform: translateY(0);
}
.fb-item.is-selected {
  background-color: rgba(252, 210, 33, 0.15);
  border-color: var(--amarillo);
}

.fb-item-icon {
  font-size: 36px;
  line-height: 1;
  user-select: none;
}

.fb-item-name {
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  word-break: break-word;
  line-height: 1.3;
  max-width: 100%;
}

/* Folder icon with color accent */
.fb-item--folder .fb-item-icon {
  color: var(--amarillo);
  text-shadow: 1px 1px 0 rgba(18, 18, 18, 0.15);
}

/* File/post icon */
.fb-item--file .fb-item-icon {
  color: var(--negro);
}

/* Executable/action icon */
.fb-item--exec .fb-item-icon {
  color: var(--verde);
}

/* ---- Status Bar ---- */
.fb-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 12px;
  background-color: var(--negro);
  color: rgba(234, 230, 225, 0.6);
  font-size: 11px;
  font-weight: 600;
  border-top: var(--border-width) solid var(--negro);
}

.fb-statusbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fb-statusbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fb-view-btn {
  background: none;
  border: 1px solid rgba(234, 230, 225, 0.2);
  color: rgba(234, 230, 225, 0.5);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.12s ease;
}
.fb-view-btn:hover {
  color: var(--crema);
  border-color: rgba(234, 230, 225, 0.4);
}
.fb-view-btn.is-active {
  color: var(--crema);
  background-color: rgba(234, 230, 225, 0.15);
  border-color: rgba(234, 230, 225, 0.3);
}

/* ---- List View (alternative to grid) ---- */
.fb-content-list {
  display: none;
}

.fb-content.is-list .fb-content-grid {
  display: none;
}
.fb-content.is-list .fb-content-list {
  display: block;
}

.fb-list-header {
  display: grid;
  grid-template-columns: 1fr 120px 140px;
  padding: 4px 8px;
  border-bottom: 1.5px solid var(--negro);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(18, 18, 18, 0.5);
  user-select: none;
}

.fb-list-row {
  display: grid;
  grid-template-columns: 1fr 120px 140px;
  padding: 6px 8px;
  border-bottom: 1px solid rgba(18, 18, 18, 0.06);
  text-decoration: none;
  color: var(--negro);
  font-size: 13px;
  align-items: center;
  transition: background 0.1s ease;
}
.fb-list-row:hover {
  background-color: rgba(18, 18, 18, 0.05);
}

.fb-list-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.fb-list-name .fb-icon {
  font-size: 18px;
}

.fb-list-type {
  color: rgba(18, 18, 18, 0.5);
  font-size: 12px;
}

.fb-list-modified {
  color: rgba(18, 18, 18, 0.5);
  font-size: 12px;
}

/* ---- Minimized state ---- */
.fb-window.is-minimized .fb-toolbar,
.fb-window.is-minimized .fb-pathbar,
.fb-window.is-minimized .fb-body,
.fb-window.is-minimized .fb-statusbar {
  display: none;
}

/* ---- Responsive ---- */
@media screen and (max-width: 768px) {
  .fb-sidebar {
    display: none;
  }

  .fb-content-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 4px;
  }

  .fb-item-icon {
    font-size: 28px;
  }

  .fb-item-name {
    font-size: 11px;
  }

  .fb-body {
    min-height: 260px;
  }

  .fb-list-header,
  .fb-list-row {
    grid-template-columns: 1fr 100px;
  }

  .fb-list-modified {
    display: none;
  }

  .fb-toolbar {
    overflow-x: auto;
  }

  .fb-window {
    box-shadow: 2px 2px 0 var(--negro);
  }
}

@media screen and (max-width: 480px) {
  .fb-content-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .fb-titlebar-title {
    font-size: 11px;
  }

  .fb-pathbar {
    font-size: 12px;
  }
}