/* ── Google Fonts ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600&family=DM+Mono:wght@500&display=swap');

/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Scour palette */
  --void:      #0e0b1a;
  --deep:      #160f2e;
  --dusk:      #2a1f4a;
  --scour:     #9d7eff;
  --lavender:  #c4aaff;
  --frost:     #f0ecff;
  --cleared:   #5dcaa5;

  /* Semantic aliases */
  --bg:        var(--void);
  --surface:   var(--deep);
  --surface-2: var(--dusk);
  --accent:    var(--scour);
  --accent-lt: var(--lavender);
  --success:   var(--cleared);
  --text:      var(--frost);
  --text-muted: #7a6f99;
  --error:     #e05577;
  --error-bg:  #1e0a14;
  --border:    rgba(157, 126, 255, 0.15);
  --radius:    6px;

  --font-sans: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "DM Mono", "JetBrains Mono", "Fira Code", monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo:hover .logo-text { color: var(--lavender); }

.logo-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.tagline a {
  color: var(--lavender);
  text-decoration: none;
}
.tagline a:hover { color: var(--frost); }

.github-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: color 0.15s;
}

.github-link:hover { color: var(--frost); }

/* ── Toolbar ──────────────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

select#examples {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.35rem 0.6rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: border-color 0.15s;
}

select#examples:focus {
  outline: none;
  border-color: var(--accent);
  color: var(--text);
}

.hint {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

#convert-btn {
  background: var(--accent);
  color: var(--void);
  border: none;
  border-radius: var(--radius);
  padding: 0.4rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: background 0.15s, box-shadow 0.15s;
}

#convert-btn:hover {
  background: var(--lavender);
  box-shadow: 0 0 16px rgba(157, 126, 255, 0.35);
}

#convert-btn:active {
  background: var(--scour);
  box-shadow: none;
}

#convert-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

kbd {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--deep);
}

/* ── Panes ────────────────────────────────────────────────────────────────── */
main {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.panes {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.pane {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.divider {
  width: 1px;
  background: var(--border);
  flex-shrink: 0;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  flex-shrink: 0;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  padding: 0.2rem 0.65rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.03em;
}

.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.copy-btn.copied {
  border-color: var(--cleared);
  color: var(--cleared);
}

/* ── CodeMirror overrides ─────────────────────────────────────────────────── */
.CodeMirror {
  height: 100% !important;
  font-family: var(--font-mono) !important;
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  background: var(--bg) !important;
}

.CodeMirror-gutters {
  background: var(--surface) !important;
  border-right: 1px solid var(--border) !important;
}

.CodeMirror-linenumber {
  color: var(--text-muted) !important;
}

#sql-editor,
#honeysql-editor {
  flex: 1;
  overflow: hidden;
  position: relative;
}

#sql-editor .CodeMirror,
#honeysql-editor .CodeMirror {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
}

/* Error state on output pane */
.pane.has-error .pane-header {
  color: var(--error);
  border-bottom-color: var(--error);
}

.pane.has-error .CodeMirror {
  background: var(--error-bg) !important;
}

/* ── Accessibility ────────────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}