/* ============================================================
   Codelint — design tokens
   A deep-ink editor shell. Severity colors (red/amber/blue) are
   functional, not decorative — they're the same vocabulary a
   real linter uses, so they carry meaning throughout the UI.
   ============================================================ */
:root {
  --bg-base: #13141c;
  --bg-panel: #1a1c27;
  --bg-editor: #0e0f16;
  --bg-elevated: #212333;
  --border: #2a2c3d;
  --border-soft: #22242f;

  --text-primary: #eceaf6;
  --text-secondary: #8d8fa8;
  --text-dim: #5b5d76;

  --accent: #e8b339;       /* signal amber — primary action / brand */
  --accent-soft: #e8b33922;

  --sev-high: #f16d78;
  --sev-medium: #eeae4a;
  --sev-low: #6fa1e0;
  --sev-good: #5fcf96;

  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --font-body: 'Public Sans', -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
}

/* ---------- titlebar ---------- */
.titlebar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--bg-editor);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.titlebar-dots { display: flex; gap: 6px; }
.titlebar-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border);
}
.titlebar-dots span:nth-child(1) { background: #f16d78; }
.titlebar-dots span:nth-child(2) { background: #eeae4a; }
.titlebar-dots span:nth-child(3) { background: #5fcf96; }
.titlebar-path { color: var(--text-secondary); }
.titlebar-path #active-path { color: var(--text-primary); }
.titlebar-sep { color: var(--text-dim); margin: 0 2px; }
.titlebar-status {
  margin-left: auto;
  color: var(--sev-good);
  font-size: 11.5px;
}
.titlebar-status.offline { color: var(--sev-high); }

/* ---------- shell / tabs ---------- */
.shell { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.tabs {
  display: flex;
  gap: 2px;
  margin-top: 18px;
  border-bottom: 1px solid var(--border);
}
.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 16px;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}
.tab-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot-analyze { background: var(--accent); }
.dot-history { background: var(--sev-low); }
.dot-dashboard { background: var(--sev-good); }

main { padding: 32px 0 60px; }

.panel { display: none; animation: fadein .25s ease; }
.panel.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.panel-head h1 {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.panel-head p {
  color: var(--text-secondary);
  margin: 0 0 28px;
  font-size: 14.5px;
}

/* ---------- analyze layout ---------- */
.analyze-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
}
@media (max-width: 880px) { .analyze-grid { grid-template-columns: 1fr; } }

.editor-card, .result-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.editor-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-elevated);
}
.editor-card-head input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  width: 60%;
}
.lang-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 8px;
  border-radius: 5px;
}

#code-input {
  flex: 1;
  min-height: 340px;
  background: var(--bg-editor);
  color: var(--text-primary);
  border: none;
  outline: none;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  padding: 16px;
}
#code-input::placeholder { color: var(--text-dim); }

.editor-card-foot {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elevated);
}

.btn-primary {
  background: var(--accent);
  color: #1a1206;
  border: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: transform .1s ease, filter .15s ease;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: default; }

.error-text { color: var(--sev-high); font-size: 12.5px; font-family: var(--font-mono); }

/* ---------- result card ---------- */
.result-card { min-height: 400px; }
.result-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  gap: 10px;
  padding: 40px;
  text-align: center;
}
.result-empty-glyph { font-family: var(--font-mono); font-size: 28px; color: var(--border); }

.result-content { padding: 20px; }

.score-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}
.score-ring {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
  border: 3px solid var(--border);
}
.score-meta { display: flex; flex-direction: column; gap: 3px; }
.score-meta-title { font-family: var(--font-mono); font-size: 13px; color: var(--text-secondary); }
.score-meta-stats { font-size: 12.5px; color: var(--text-dim); }

.issue-list { display: flex; flex-direction: column; gap: 8px; }
.issue-row {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-editor);
  border-left: 3px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
}
.issue-row.sev-high { border-left-color: var(--sev-high); }
.issue-row.sev-medium { border-left-color: var(--sev-medium); }
.issue-row.sev-low { border-left-color: var(--sev-low); }
.issue-line {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 12px;
  flex-shrink: 0;
  padding-top: 1px;
}
.issue-msg { color: var(--text-primary); line-height: 1.5; }
.issue-cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  margin-right: 6px;
}
.no-issues {
  color: var(--sev-good);
  font-family: var(--font-mono);
  font-size: 13.5px;
  padding: 20px 0;
}

/* ---------- history table ---------- */
.table-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13.5px;
  color: var(--text-secondary);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-elevated); }
.score-pill {
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 12.5px;
  display: inline-block;
}
.del-btn {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 13px; font-family: var(--font-mono);
}
.del-btn:hover { color: var(--sev-high); }
.table-empty { padding: 40px; text-align: center; color: var(--text-dim); font-size: 13.5px; }

/* ---------- dashboard ---------- */
.stat-row { display: flex; gap: 16px; margin-bottom: 24px; }
.stat-box {
  flex: 1;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
}

.chart-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
}
@media (max-width: 880px) { .chart-grid { grid-template-columns: 1fr; } }
.chart-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}
.chart-card h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 14px;
  font-weight: 500;
}