:root {
  --bg: #09090b;
  --fg: #fafafa;
  --border: #1e1e23;
  --surface: #060608;
  --surface-alt: #0d0d12;
  --muted: #9f9fa9;
  --fg-dim: #ccc;
  --green: #9ece6a;
  --red: #f7768e;
  --yellow: #e0af68;
}

* { margin: 0; padding: 0; box-sizing: border-box }
body { background: var(--bg); color: var(--fg); font-family: Inter, system-ui, sans-serif; line-height: 1.6 }
a { color: var(--green); text-decoration: none }

/* Components */
.card { border: 1px solid var(--border); background: var(--surface); padding: 1rem; margin-bottom: 0.75rem; display: block; color: var(--fg) }
a.card:hover { border-color: var(--muted) }
.card-title { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 0.95rem; margin-bottom: 0.25rem }
.card-meta { font-size: 0.8rem; color: var(--muted) }

.btn { display: inline-block; padding: 0.5rem 1rem; background: var(--green); color: var(--bg); font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; font-weight: 600; border: none; cursor: pointer }
.btn:hover { opacity: 0.9 }
.btn:disabled, .btn-disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none }
.btn-outline { background: transparent; color: var(--fg); border: 1px solid var(--border) }
.btn-outline:hover { border-color: var(--fg) }

.input { background: var(--surface); border: 1px solid var(--border); color: var(--fg); padding: 0.5rem 0.75rem; font-size: 0.85rem; font-family: Inter, system-ui, sans-serif; width: 100% }
.input:focus { outline: none; border-color: var(--green) }

.textarea { background: var(--surface); border: 1px solid var(--border); color: var(--fg); padding: 0.5rem 0.75rem; font-size: 0.85rem; font-family: 'JetBrains Mono', monospace; width: 100%; min-height: 100px; resize: vertical }
.textarea:focus { outline: none; border-color: var(--green) }

.label { display: block; font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--muted); margin-bottom: 0.25rem; margin-top: 1rem }
.label:first-child { margin-top: 0 }

.page-title { font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; margin-bottom: 0.5rem }
.page-subtitle { color: var(--muted); font-size: 0.85rem; margin-bottom: 2rem }

.stats { display: flex; gap: 1.5rem; margin-bottom: 1.5rem; flex-wrap: wrap }
.stat { font-family: 'JetBrains Mono', monospace }
.stat-value { font-size: 1.3rem; font-weight: 700 }
.stat-label { font-size: 0.7rem; color: var(--muted); margin-top: 0.1rem }
.stat-green .stat-value { color: var(--green) }
.stat-yellow .stat-value { color: var(--yellow) }
.stat-red .stat-value { color: var(--red) }

.flag { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 0.75rem; flex-shrink: 0 }
.flag-confident { color: var(--green) }
.flag-review { color: var(--yellow) }
.flag-not-found { color: var(--red) }

.empty { color: var(--muted); text-align: center; padding: 3rem; font-style: italic }
.error-msg { color: var(--red); font-size: 0.85rem; margin-top: 0.5rem; display: none }

/* Dashboard layout */
.sidebar { width: 220px; border-right: 1px solid var(--border); padding: 1.5rem 1rem; flex-shrink: 0; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0 }
.sidebar-logo { font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 0.875rem; margin-bottom: 2rem; color: var(--fg) }
.sidebar-nav { display: flex; flex-direction: column; gap: 0.25rem; flex: 1 }
.sidebar-link { display: block; padding: 0.5rem 0.75rem; font-size: 0.85rem; color: var(--muted); font-family: 'JetBrains Mono', monospace }
.sidebar-link:hover { color: var(--fg) }
.sidebar-link.active { color: var(--fg); background: var(--surface-alt); border-left: 2px solid var(--green) }
.sidebar-footer { border-top: 1px solid var(--border); padding-top: 1rem; font-size: 0.75rem; color: var(--muted) }
.main { flex: 1; margin-left: 220px; padding: 2rem; max-width: 900px }

/* Auth pages */
.auth-container { width: 100%; max-width: 380px; padding: 2rem }
.auth-logo { font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 1rem; margin-bottom: 2rem; text-align: center }
.auth-title { font-family: 'JetBrains Mono', monospace; font-size: 1.25rem; margin-bottom: 0.5rem }
.auth-subtitle { color: var(--muted); font-size: 0.85rem; margin-bottom: 2rem }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 100; align-items: center; justify-content: center }
.modal-overlay.open { display: flex }
.modal { background: var(--bg); border: 1px solid var(--border); padding: 2rem; max-width: 480px; width: 90%; max-height: 90vh; overflow-y: auto }
.modal-title { font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 1rem; margin-bottom: 0.5rem }
.modal-desc { font-size: 0.85rem; color: var(--fg-dim); margin-bottom: 1.5rem }
.modal-actions { display: flex; gap: 0.5rem; margin-top: 1.5rem }

/* Copy box */
.copy-box { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; background: var(--surface-alt); border: 1px solid var(--border); transition: border-color 0.15s }
.copy-box:hover { border-color: var(--green) }
.copy-hint { color: var(--green); font-size: 0.75rem; flex-shrink: 0 }

/* Log viewer */
.log-item { padding: 0.75rem 1rem; border: 1px solid var(--border); margin-bottom: 0.5rem; background: var(--surface); cursor: pointer; transition: border-color 0.15s }
.log-item:hover { border-color: var(--muted) }
.log-item.not-found { border-left: 3px solid var(--red) }
.log-item.review { border-left: 3px solid var(--yellow) }
.log-item.confident { border-left: 3px solid var(--green) }
.log-item.unscored { border-left: 3px solid var(--border) }

.log-stack { position: relative; margin-bottom: 0.75rem; cursor: pointer }
.log-stack-layer { position: absolute; top: 4px; left: 4px; right: -4px; bottom: -4px; border: 1px solid var(--border); background: var(--surface-alt); transition: border-color 0.15s }
.log-stack-card { position: relative; padding: 0.75rem 1rem; border: 1px solid var(--border); background: var(--surface); transition: border-color 0.15s }
.log-stack:hover .log-stack-card, .log-stack:hover .log-stack-layer { border-color: var(--muted) }
.log-stack.not-found .log-stack-card, .log-stack.not-found .log-stack-layer { border-left: 3px solid var(--red) }
.log-stack.review .log-stack-card, .log-stack.review .log-stack-layer { border-left: 3px solid var(--yellow) }
.log-stack.confident .log-stack-card, .log-stack.confident .log-stack-layer { border-left: 3px solid var(--green) }

.log-header { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8rem }
.log-preview { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--fg); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
.log-turn-count { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--muted); flex-shrink: 0 }
.log-time { color: var(--muted); flex-shrink: 0; font-size: 0.75rem }
.log-latency { color: var(--muted); flex-shrink: 0; font-size: 0.75rem }
.log-detail { display: none; margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border) }
.log-item.open .log-detail, .log-stack.open .log-detail { display: block }

.log-turn { padding: 0.75rem 0; border-bottom: 1px solid var(--border) }
.log-turn:last-child { border-bottom: none }
.log-turn-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; font-size: 0.75rem }
.log-turn-num { font-family: 'JetBrains Mono', monospace; color: var(--muted); font-size: 0.7rem }

.log-query { font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; margin-bottom: 0.5rem; color: var(--fg) }
.log-response { font-size: 0.85rem; color: var(--fg-dim); white-space: pre-wrap; word-break: break-word }
.log-sources { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--muted); margin-top: 0.4rem }

.log-filters { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap }
.log-filters button { background: var(--surface-alt); border: 1px solid var(--border); color: var(--muted); padding: 0.4rem 0.8rem; font-size: 0.8rem; cursor: pointer; font-family: 'JetBrains Mono', monospace; transition: border-color 0.15s, color 0.15s }
.log-filters button:hover, .log-filters button.active { color: var(--fg); border-color: var(--fg) }

@media (max-width: 768px) {
  .sidebar { display: none }
  .main { margin-left: 0; padding: 1rem }
  .modal { padding: 1.5rem; width: 95% }
}