/* =====================================================================
   README 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; }

/* ===================== Two-pane layout ===================== */
.editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-5);
  align-items: start;
}
.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; }

/* ===================== Form pane ===================== */
.pane--form { max-height: calc(100vh - 220px); }
.pane-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.pane-body .field label { display: block; margin-bottom: 2px; }
.pane-body textarea { min-height: 110px; }

.field-group {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
}
.field-group legend {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 6px;
}
.field-group .check { font-size: 13.5px; }

.sub-row { margin-left: 58px; margin-top: -6px; }
.sub-row select,
.sub-row input { max-width: 260px; }

/* ===================== Feature rows ===================== */
.feature-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.feature-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.feature-row input { flex: 1; }
.feature-row .btn--icon { width: 36px; height: 36px; flex: none; }
.feature-empty {
  color: var(--text-muted);
  font-size: 13px;
  padding: var(--space-2) 0;
}

/* ===================== Output pane ===================== */
.pane--output { position: relative; max-height: calc(100vh - 220px); }
.output-scroll {
  position: relative;
  flex: 1;
  min-height: 460px;
  overflow: auto;
}
.output-code {
  margin: 0;
  padding: var(--space-5);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 100%;
  tab-size: 2;
}
.output-code:empty { display: none; }

/* ===================== Markdown preview rendering ===================== */
.markdown-preview {
  padding: var(--space-5) var(--space-6);
  min-height: 100%;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.7;
  word-wrap: break-word;
}
.markdown-preview:empty { display: none; }
.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4,
.markdown-preview h5,
.markdown-preview h6 {
  margin: 1.2em 0 .5em;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.3;
}
.markdown-preview h1 { font-size: 1.9em; border-bottom: 1px solid var(--border); padding-bottom: .3em; }
.markdown-preview h2 { font-size: 1.5em; border-bottom: 1px solid var(--border); padding-bottom: .25em; }
.markdown-preview h3 { font-size: 1.25em; }
.markdown-preview h4 { font-size: 1.05em; }
.markdown-preview > *:first-child { margin-top: 0; }
.markdown-preview p { margin: 0 0 1em; }
.markdown-preview img { max-width: 100%; vertical-align: middle; border-radius: 4px; }
.markdown-preview a { color: var(--brand-400); }
.markdown-preview ul {
  margin: 0 0 1em;
  padding-left: 1.5em;
}
.markdown-preview li { margin: .25em 0; }
.markdown-preview blockquote {
  margin: 0 0 1em;
  padding: .2em 1em;
  border-left: 3px solid var(--border-strong);
  color: var(--text-secondary);
}
.markdown-preview hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5em 0;
}
.markdown-preview code {
  font-family: var(--font-mono);
  font-size: .9em;
  background: var(--surface-3);
  padding: .15em .4em;
  border-radius: 5px;
}
.markdown-preview pre {
  margin: 0 0 1em;
  padding: var(--space-4);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.markdown-preview pre code {
  background: transparent;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre;
}
.markdown-preview .badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1em;
}
.markdown-preview .badge-row img { border-radius: 3px; }

/* ===================== Output 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;
  text-align: center;
}
.output-empty p { margin: 0; max-width: 260px; }
.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; }
  .pane--form,
  .pane--output { max-height: none; }
  .pane-body { max-height: 60vh; }
  .output-scroll { min-height: 320px; }
  .sub-row { margin-left: 0; }
}

@media (max-width: 720px) {
  .toolbar .spacer { display: none; }
  .toolbar-group { width: 100%; }
  .toolbar-group .btn { flex: 1; }
}