/* ============================================
   ReadmeForge — design tokens
   Ink #0F1115 · Paper #F5F1E8 · Ember #FF6B35
   Signal #5EEAD4 · Slate #8B92A6 · Line #262B36
   Display/mono: JetBrains Mono · Body: Inter
   ============================================ */

:root {
  --ink: #0F1115;
  --ink-raised: #161923;
  --paper: #F5F1E8;
  --ember: #FF6B35;
  --ember-dim: #C4501C;
  --signal: #5EEAD4;
  --slate: #8B92A6;
  --line: #262B36;
  --text-hi: #EDEFF4;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text-hi);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Title bar ---------- */
.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-raised);
}
.titlebar-left { display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-r { background: #FF5F56; }
.dot-y { background: #FFBD2E; }
.dot-g { background: #27C93F; }
.titlebar-brand {
  font-family: var(--mono);
  font-weight: 700;
  margin-left: 10px;
  letter-spacing: 0.02em;
  color: var(--text-hi);
}
.save-state {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ember);
  transition: color .2s ease;
}
.save-state.saved { color: var(--signal); }

/* ---------- Tab bar ---------- */
.tabbar {
  display: flex;
  gap: 2px;
  padding: 0 20px;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}
.tab {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--slate);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 12px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color .15s ease, border-color .15s ease;
}
.tab:hover { color: var(--text-hi); }
.tab.active {
  color: var(--ember);
  border-bottom: 2px solid var(--ember);
}
.tab-icon { opacity: 0.6; }
.tab-cursor {
  animation: blink 1.1s steps(1) infinite;
  color: var(--ember);
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Workspace ---------- */
.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 0;
}
.pane {
  overflow-y: auto;
  padding: 24px;
}
.pane-form {
  border-right: 1px solid var(--line);
  background: var(--ink);
}
.pane-preview {
  background: var(--ink-raised);
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* ---------- Form elements ---------- */
.mode-form { display: none; }
.mode-form.active { display: block; }

.field-group {
  margin-bottom: 22px;
}
.field-group label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin-bottom: 8px;
}
.field-group label .hint {
  text-transform: none;
  letter-spacing: normal;
  color: #565D70;
  font-size: 11px;
}
.field-msg {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--signal);
  min-height: 16px;
  margin: 6px 0 0;
}
.field-msg.error { color: var(--ember); }

input[type="text"], textarea, select {
  width: 100%;
  background: var(--ink-raised);
  border: 1px solid var(--line);
  color: var(--text-hi);
  font-family: var(--sans);
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 6px;
  outline: none;
  transition: border-color .15s ease;
}
input[type="text"].stacked { margin-bottom: 8px; }
input[type="text"]:focus, textarea:focus, select:focus {
  border-color: var(--ember);
}
textarea { resize: vertical; line-height: 1.5; }

.row { display: flex; gap: 8px; }
.row input { flex: 1; }

.btn {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .1s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--slate);
}
.btn-ghost:hover { border-color: var(--ember); color: var(--ember); }
.btn-primary {
  background: var(--ember);
  color: var(--ink);
}
.btn-primary:hover { background: var(--ember-dim); }
.btn-primary.copied { background: var(--signal); }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: none;
  font-family: var(--sans);
  color: var(--text-hi);
  font-size: 13px;
  cursor: pointer;
  margin-bottom: 8px;
}
.checkbox-label input { width: auto; }

/* Chip picker for tech stack */
.chip-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.chip {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--slate);
  background: var(--ink-raised);
  cursor: pointer;
  transition: all .12s ease;
}
.chip:hover { border-color: var(--slate); color: var(--text-hi); }
.chip.selected {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--ink);
}
.chip.custom.selected {
  background: var(--signal);
  border-color: var(--signal);
}

/* ---------- Preview pane ---------- */
.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
.preview-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
}
.preview-actions { display: flex; gap: 8px; }

.preview-body {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.markdown-body {
  background: var(--paper);
  color: #1a1a1a;
  border-radius: 8px;
  padding: 32px;
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 200px;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  font-family: var(--mono);
  border-bottom: 1px solid #E0DACB;
  padding-bottom: 6px;
}
.markdown-body h1 { font-size: 26px; }
.markdown-body h2 { font-size: 20px; margin-top: 28px; }
.markdown-body code {
  background: #EAE4D6;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
}
.markdown-body pre {
  background: #1a1a1a;
  color: #F5F1E8;
  padding: 14px 16px;
  border-radius: 6px;
  overflow-x: auto;
}
.markdown-body pre code { background: none; color: inherit; padding: 0; }
.markdown-body img { max-width: 100%; }
.markdown-body ul { padding-left: 22px; }
.markdown-body a { color: var(--ember-dim); }
.markdown-body hr { border: none; border-top: 1px solid #E0DACB; margin: 20px 0; }

.raw-view {
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  color: var(--text-hi);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.hidden { display: none; }

/* ---------- Status bar ---------- */
.statusbar {
  padding: 8px 20px;
  border-top: 1px solid var(--line);
  background: var(--ink-raised);
  font-family: var(--mono);
  font-size: 11px;
  color: #565D70;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .pane-form { border-right: none; border-bottom: 1px solid var(--line); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .tab-cursor { animation: none; }
  .btn { transition: none; }
}

/* ---------- Focus visibility ---------- */
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}