/**
 * akeru-renderer.css
 * ─────────────────────────────────────────────────────────────────────
 * Styles for AkeruRenderer output — message bubbles, markdown content,
 * copy buttons, file path links, section reference spans.
 *
 * Theme: night-sky (matches Vidhi and Vanik palettes).
 * Imports design tokens from the host page's :root if present;
 * defines its own fallbacks so it works standalone.
 *
 * Repo path: shared/renderer/akeru-renderer.css
 */

/* ── Token fallbacks (host page :root overrides these) ──────────────── */
:root {
  --ar-sky-void:       #010308;
  --ar-glass-bg:       rgba(4, 10, 32, 0.46);
  --ar-glass-bg-deep:  rgba(2, 6, 20, 0.58);
  --ar-glass-border:   rgba(160, 185, 255, 0.09);
  --ar-glass-border-hi:rgba(180, 205, 255, 0.18);
  --ar-glass-shine:    inset 0 1px 0 rgba(255, 255, 255, 0.055);
  --ar-star-white:     rgba(225, 232, 255, 0.92);
  --ar-star-dim:       rgba(155, 172, 215, 0.50);
  --ar-star-ghost:     rgba(120, 140, 185, 0.30);
  --ar-gold-soft:      rgba(200, 169, 110, 0.72);
  --ar-accent:         #8fb4e8;
  --ar-accent-dim:     rgba(143, 180, 232, 0.40);
  --ar-font-serif:     'EB Garamond', Georgia, serif;
  --ar-font-mono:      'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Message wrapper ────────────────────────────────────────────────── */
.ar-msg {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  max-width: 700px;
  animation: ar-msg-in 0.28s ease forwards;
}

@keyframes ar-msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ar-msg--user      { align-self: flex-end;  align-items: flex-end; }
.ar-msg--assistant { align-self: flex-start; }

/* ── Role label ─────────────────────────────────────────────────────── */
.ar-msg-role {
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ar-star-ghost);
  font-family: var(--ar-font-mono);
}

/* ── Body bubble ────────────────────────────────────────────────────── */
.ar-msg-body {
  font-size: 0.87rem;
  line-height: 1.72;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--ar-glass-border);
  position: relative;
  font-family: var(--ar-font-serif);
}

.ar-msg--user .ar-msg-body {
  background: rgba(143, 180, 232, 0.07);
  backdrop-filter: blur(8px);
  border-color: rgba(143, 180, 232, 0.12);
  color: rgba(200, 218, 255, 0.88);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.ar-msg--assistant .ar-msg-body {
  background: var(--ar-glass-bg);
  backdrop-filter: blur(10px);
  color: var(--ar-star-white);
  box-shadow: var(--ar-glass-shine);
}

/* Shimmer line on assistant bubble */
.ar-msg--assistant .ar-msg-body::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(180,210,255,0.1), transparent);
  pointer-events: none;
}

/* ── Streaming cursor ───────────────────────────────────────────────── */
.ar-cursor {
  display: inline-block;
  width: 1.5px;
  height: 0.82em;
  background: var(--ar-accent-dim);
  animation: ar-blink 0.85s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

@keyframes ar-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Markdown content — typography ─────────────────────────────────── */
.ar-msg-body p {
  margin: 0 0 0.65em;
}
.ar-msg-body p:last-child {
  margin-bottom: 0;
}

.ar-msg-body strong {
  font-weight: 600;
  color: var(--ar-star-white);
}

.ar-msg-body em {
  font-style: italic;
  color: var(--ar-star-dim);
}

.ar-msg-body h1, .ar-msg-body h2, .ar-msg-body h3,
.ar-msg-body h4, .ar-msg-body h5, .ar-msg-body h6 {
  font-family: var(--ar-font-serif);
  font-weight: 500;
  color: var(--ar-star-white);
  letter-spacing: 0.02em;
  margin: 1rem 0 0.4rem;
  line-height: 1.3;
}
.ar-msg-body h1 { font-size: 1.1rem; }
.ar-msg-body h2 { font-size: 1rem; }
.ar-msg-body h3 { font-size: 0.93rem; }

/* ── Lists ──────────────────────────────────────────────────────────── */
.ar-msg-body ul,
.ar-msg-body ol {
  padding-left: 1.4rem;
  margin: 0.4rem 0 0.65rem;
}

.ar-msg-body li {
  margin: 0.2rem 0;
  color: var(--ar-star-white);
}

.ar-msg-body li::marker {
  color: var(--ar-accent-dim);
}

/* ── Inline code ────────────────────────────────────────────────────── */
.ar-msg-body code {
  font-family: var(--ar-font-mono);
  font-size: 0.76rem;
  background: rgba(143, 180, 232, 0.10);
  padding: 0.1em 0.38em;
  color: var(--ar-accent);
  border: 1px solid rgba(143, 180, 232, 0.14);
  border-radius: 1px;
  word-break: break-word;
}

/* ── Code blocks ────────────────────────────────────────────────────── */
.ar-msg-body pre {
  font-family: var(--ar-font-mono);
  font-size: 0.73rem;
  background: rgba(1, 4, 16, 0.70);
  border: 1px solid var(--ar-glass-border);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
  color: rgba(180, 200, 255, 0.78);
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: inset 0 2px 12px rgba(0,0,0,0.45);
  position: relative; /* required for copy button anchor */
}

/* Reset inline code styles inside pre */
.ar-msg-body pre code {
  background: none;
  padding: 0;
  border: none;
  font-size: inherit;
  color: inherit;
  border-radius: 0;
}

/* ── Blockquotes ────────────────────────────────────────────────────── */
.ar-msg-body blockquote {
  border-left: 2px solid var(--ar-accent-dim);
  margin: 0.5rem 0;
  padding: 0.4rem 0.9rem;
  color: var(--ar-star-dim);
  font-style: italic;
  background: rgba(143, 180, 232, 0.04);
}

/* ── Tables ─────────────────────────────────────────────────────────── */
.ar-msg-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.75rem 0;
  font-size: 0.80rem;
}

.ar-msg-body th,
.ar-msg-body td {
  border: 1px solid var(--ar-glass-border);
  padding: 0.4rem 0.75rem;
  text-align: left;
}

.ar-msg-body th {
  background: rgba(143, 180, 232, 0.07);
  color: var(--ar-accent);
  font-family: var(--ar-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
}

.ar-msg-body tr:nth-child(even) td {
  background: rgba(143, 180, 232, 0.025);
}

/* ── Horizontal rule ────────────────────────────────────────────────── */
.ar-msg-body hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ar-glass-border-hi), transparent);
  margin: 1rem 0;
}

/* ── Copy button (addCopyButtons post-processor) ────────────────────── */
.ar-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(4, 10, 32, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid var(--ar-glass-border);
  color: var(--ar-star-ghost);
  padding: 0.28rem 0.4rem;
  cursor: pointer;
  line-height: 1;
  border-radius: 1px;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ar-copy-btn:hover {
  color: var(--ar-accent);
  border-color: var(--ar-glass-border-hi);
  background: rgba(143, 180, 232, 0.08);
}

.ar-copy-btn--ok {
  color: rgba(100, 220, 140, 0.8) !important;
  border-color: rgba(100, 220, 140, 0.25) !important;
}

.ar-copy-btn svg {
  display: block;
  pointer-events: none;
}

/* ── File path links (linkFilePaths post-processor) ─────────────────── */
.ar-file-link {
  font-family: var(--ar-font-mono);
  font-size: 0.76rem;
  color: var(--ar-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--ar-accent-dim);
  padding-bottom: 0.5px;
  transition: color 0.15s, border-color 0.15s;
  word-break: break-all;
}

.ar-file-link:hover {
  color: var(--ar-star-white);
  border-color: var(--ar-star-white);
}

/* ── Section references (highlightSections post-processor) ──────────── */
.ar-section-ref {
  border-bottom: 1px dotted var(--ar-accent-dim);
  cursor: help;
  color: inherit;
  transition: color 0.15s;
}

.ar-section-ref:hover {
  color: var(--ar-gold-soft);
  border-color: var(--ar-gold-soft);
}