/* =====================================================================
   Gitignore Generator Pro — app.css
   Extends the shared design system (base.css). Colors derive ONLY from
   base.css CSS variables so dark + light themes both work.
   ===================================================================== */

/* ---- Theme toggle icon swap (sun in dark, moon in light) ---- */
[data-theme="light"] .icon-sun { display: none; }
.icon-moon { display: none; }

/* ===================== Toolbar ===================== */
.toolbar-panel { padding: var(--space-4) var(--space-5); }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
}
.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.toolbar .spacer { flex: 1; }
.toolbar-group.flex-1 { flex: 1; min-width: 200px; }
#searchInput { min-width: 0; }

/* ===================== Status badge ===================== */
#statusBadge .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted); flex: none;
  transition: background var(--dur-2), box-shadow var(--dur-2);
}
#statusBadge.has-selection {
  background: var(--success-soft); color: var(--success); border-color: transparent;
}
#statusBadge.has-selection .status-dot { background: var(--success); box-shadow: 0 0 10px var(--success); }

/* ===================== Two-pane layout ===================== */
.editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-5);
}
.pane {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  min-width: 0;
}
.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}
.pane-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.pane-meta { font-size: 12px; }

/* ===================== Picker pane ===================== */
.pane--picker { position: relative; }
.stack-groups {
  flex: 1;
  min-height: 460px;
  max-height: 640px;
  overflow-y: auto;
  padding: var(--space-5);
}
.stack-group + .stack-group { margin-top: var(--space-6); }
.stack-group-title {
  margin: 0 0 var(--space-3);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-4);
}
.stack-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
  user-select: none;
  transition: border-color var(--dur-1), background var(--dur-1);
  font-size: 13.5px;
  font-weight: 500;
}
.stack-item:hover { border-color: var(--border-strong); background: var(--surface-2); }
.stack-item.is-checked { border-color: var(--brand-500); background: var(--gradient-brand-soft); }
.stack-item input[type="checkbox"] {
  width: 16px; height: 16px; margin: 0; flex: none; accent-color: var(--brand-500); cursor: pointer;
}
.stack-item .stack-item-label { flex: 1; }
.stack-item[hidden] { display: none; }

/* ===================== Preview pane ===================== */
.pane--output { position: relative; }
.output-scroll {
  position: relative;
  flex: 1;
  min-height: 460px;
  max-height: 640px;
  overflow: auto;
}
.output-code {
  margin: 0;
  padding: var(--space-5);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre;
  min-height: 100%;
  tab-size: 2;
  color: var(--text-secondary);
}
.output-code:empty { display: none; }
.output-code .ln-header { color: var(--brand-400); font-weight: 600; }
.output-code .ln-comment { color: var(--text-muted); }

/* ===================== Empty state ===================== */
.output-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  pointer-events: none;
}
.output-empty p { margin: 0; }
.output-empty.is-hidden { display: none; }

/* ===================== Shortcuts modal table ===================== */
.shortcut-table { width: 100%; border-collapse: collapse; }
.shortcut-table td {
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.shortcut-table tr:last-child td { border-bottom: none; }
.shortcut-table td:last-child { text-align: right; white-space: nowrap; }
.shortcut-table kbd + kbd { margin-left: 4px; }

/* ===================== Responsive ===================== */
@media (max-width: 860px) {
  .editor { grid-template-columns: 1fr; }
  .stack-groups, .output-scroll { min-height: 320px; max-height: none; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  #statusBadge { display: none; }
  .toolbar .spacer { display: none; }
  .toolbar-group { width: 100%; }
  .toolbar-group .btn { flex: 1; }
  .stack-grid { grid-template-columns: 1fr; }
}