/* ────────────────────────────────────────────────────────────────────────
   LKA Panel — clinical terminal aesthetic
   ──────────────────────────────────────────────────────────────────────── */

:root {
  --ink: #e8e6df;
  --ink-dim: #9a9890;
  --ink-faint: #5e5c54;
  --bg: #0e0d0a;
  --bg-raised: #161410;
  --bg-card: #1c1a14;
  --line: #2a2820;
  --line-strong: #3d3a2e;
  --accent: #c9a96e;
  --accent-dim: #6b5a3a;
  --good: #7eb87a;
  --warn: #d8a657;
  --bad: #d65d5d;
  --claude: #d97757;
  --gpt: #74aa9c;
  --gemini: #8ab4f8;

  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Inter Tight', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
button, input, textarea { font-family: inherit; color: inherit; }

/* ─── Password gate ─────────────────────────────────────────────────── */

.password-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.password-box {
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 40px 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.password-mark {
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 12px;
}
.password-box h2 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}
.password-box p {
  color: var(--ink-dim);
  font-size: 13px;
  margin-bottom: 20px;
}
.password-box input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: 2px;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.password-box input:focus { outline: none; border-color: var(--accent); }
.password-box button { width: 100%; }
.password-error {
  color: var(--bad);
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 12px;
  min-height: 14px;
}

/* ─── Top bar ─────────────────────────────────────────────────────────── */

.topbar {
  height: 48px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--bg-raised);
  position: relative;
  z-index: 5;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark { color: var(--accent); font-size: 14px; }
.brand-name {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 13px;
}
.brand-sub {
  color: var(--ink-faint);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status { display: flex; align-items: center; gap: 8px; }
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: background 0.3s ease;
}
.status-dot.on[data-model="claude"] { background: var(--claude); box-shadow: 0 0 8px var(--claude); }
.status-dot.on[data-model="gpt"]    { background: var(--gpt);    box-shadow: 0 0 8px var(--gpt); }
.status-dot.on[data-model="gemini"] { background: var(--gemini); box-shadow: 0 0 8px var(--gemini); }
.status-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  margin-left: 6px;
}

/* ─── Layout ──────────────────────────────────────────────────────────── */

.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  height: calc(100vh - 48px);
}
.panel { overflow: hidden; }
.panel-left {
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  background: var(--bg-raised);
}
.panel-right {
  overflow-y: auto;
  background: var(--bg);
  padding: 32px 40px 80px;
}

/* ─── Dropzone ────────────────────────────────────────────────────────── */

.dropzone { border-bottom: 1px solid var(--line); padding: 24px 20px; }
.dropzone-inner {
  border: 1px dashed var(--line-strong);
  border-radius: 4px;
  padding: 24px 16px;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
}
.dropzone-inner.drag-over {
  border-color: var(--accent);
  background: rgba(201, 169, 110, 0.04);
}
.dropzone-icon { font-size: 28px; color: var(--accent-dim); margin-bottom: 8px; }
.dropzone-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.dropzone-sub { color: var(--ink-dim); font-size: 12px; margin-top: 4px; }
.dropzone-actions { margin-top: 14px; display: flex; gap: 8px; justify-content: center; }
.dropzone-hint {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  font-size: 10px;
  letter-spacing: 0.05em;
  margin-top: 10px;
}

.btn {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  padding: 7px 14px;
  border-radius: 2px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: #e0bd7d; color: var(--bg); border-color: #e0bd7d; }
.btn-ghost { border-color: var(--line); }
.btn-icon {
  background: transparent;
  border: none;
  color: var(--ink-dim);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 2px;
}
.btn-icon:hover { color: var(--accent); }

/* ─── History ─────────────────────────────────────────────────────────── */

.history { flex: 1; overflow-y: auto; }
.section-header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
}
.history-list { list-style: none; }
.history-empty {
  padding: 24px 20px;
  color: var(--ink-faint);
  font-size: 12px;
  font-style: italic;
}
.history-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.1s ease;
}
.history-item:hover { background: var(--bg-card); }
.history-item.active { background: rgba(201, 169, 110, 0.08); }
.history-letter {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
}
.history-meta { display: flex; flex-direction: column; min-width: 0; }
.history-concept {
  font-size: 12px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.history-time {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  margin-top: 2px;
}
.history-agreement {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-dim);
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}
.history-agreement.full { color: var(--good); border-color: rgba(126, 184, 122, 0.3); }
.history-agreement.partial { color: var(--warn); border-color: rgba(216, 166, 87, 0.3); }
.history-agreement.split { color: var(--bad); border-color: rgba(214, 93, 93, 0.3); }

/* ─── Placeholder ─────────────────────────────────────────────────────── */

.placeholder { max-width: 640px; margin: 80px auto; text-align: center; }
.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.placeholder-cell {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
}
.placeholder-text {
  color: var(--ink-dim);
  line-height: 1.7;
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
}

/* ─── Working state ───────────────────────────────────────────────────── */

.working { max-width: 480px; margin: 100px auto; text-align: center; }
.working-spinner {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}
.working-spinner span {
  width: 10px; height: 10px;
  border-radius: 50%;
  animation: pulse 1.4s infinite ease-in-out;
}
.working-spinner span:nth-child(1) { background: var(--claude); animation-delay: 0s; }
.working-spinner span:nth-child(2) { background: var(--gpt);    animation-delay: 0.2s; }
.working-spinner span:nth-child(3) { background: var(--gemini); animation-delay: 0.4s; }
@keyframes pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}
.working-text { font-family: var(--font-mono); }
#working-stage {
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.working-steps {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
}
.working-step {
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.working-step.active {
  color: var(--accent);
  border-color: var(--accent);
}
.working-step.done {
  color: var(--good);
  border-color: rgba(126, 184, 122, 0.3);
}
.working-arrow { color: var(--ink-faint); }

/* ─── Verdict ─────────────────────────────────────────────────────────── */

.verdict {
  max-width: 880px;
  margin: 0 auto;
  animation: fade-in 0.4s ease;
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.verdict-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.verdict-pick {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.verdict-letter {
  font-family: var(--font-display);
  font-size: 92px;
  line-height: 1;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-top: 4px;
}
.verdict-stats { text-align: right; }
.verdict-stat {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
.verdict-stat strong { color: var(--ink); font-weight: 600; }
.verdict-warning {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warn);
  padding: 3px 8px;
  border: 1px solid rgba(216, 166, 87, 0.4);
  border-radius: 2px;
  margin-top: 6px;
}

.verdict-figure-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--gemini);
  padding: 2px 8px;
  border: 1px solid rgba(138, 180, 248, 0.3);
  border-radius: 2px;
  margin-top: 6px;
}

/* The question itself */
.verdict-question {
  margin-bottom: 32px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: 3px;
  border-left: 2px solid var(--accent-dim);
}
.verdict-question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.verdict-question-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.verdict-question-text {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 16px;
  white-space: pre-wrap;
}
.verdict-choices { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.verdict-choice {
  display: grid;
  grid-template-columns: 24px 60px 1fr 60px;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: 2px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}
.verdict-choice.is-best {
  border-color: var(--accent);
  background: rgba(201, 169, 110, 0.06);
}
.verdict-choice-letter {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
}
.verdict-choice-bar {
  height: 6px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.verdict-choice-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  border-radius: 2px;
}
.verdict-choice-text { font-size: 13px; color: var(--ink); }
.verdict-choice-pct {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  text-align: right;
  font-weight: 500;
}
.verdict-choice.is-best .verdict-choice-pct { color: var(--accent); font-weight: 700; }

/* The three-panelist breakdown */
.panelists {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.panelist {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.panelist[data-model="claude"]  { border-top: 2px solid var(--claude); }
.panelist[data-model="gpt"]     { border-top: 2px solid var(--gpt); }
.panelist[data-model="gemini"]  { border-top: 2px solid var(--gemini); }
.panelist-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.panelist-name {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
}
.provider-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 1px 5px;
  border-radius: 2px;
  margin-left: 4px;
  vertical-align: 1px;
}
.provider-badge.kie {
  color: var(--ink-faint);
  border: 1px solid var(--line-strong);
}
.provider-badge.direct {
  color: var(--warn);
  border: 1px solid rgba(216, 166, 87, 0.3);
}
.panelist-latency {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
}
.panelist-pick { display: flex; align-items: baseline; gap: 10px; }
.panelist-pick-letter {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1;
  font-weight: 600;
  color: var(--ink);
}
.panelist-pick-conf {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
  font-weight: 500;
}
.panelist-error {
  color: var(--bad);
  font-family: var(--font-mono);
  font-size: 11px;
}
.panelist-mini-bars { display: flex; flex-direction: column; gap: 4px; }
.panelist-mini-bar {
  display: grid;
  grid-template-columns: 14px 1fr 38px;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
}
.panelist-mini-bar .letter { color: var(--ink-dim); }
.panelist-mini-bar .pct { color: var(--ink-dim); text-align: right; }
.panelist-mini-bar.best .letter,
.panelist-mini-bar.best .pct { color: var(--accent); font-weight: 700; }
.panelist-mini-bar .track {
  height: 3px;
  background: var(--line);
  border-radius: 1px;
  overflow: hidden;
}
.panelist-mini-bar .fill {
  height: 100%;
  background: var(--ink-faint);
  border-radius: 1px;
  transition: width 0.6s ease;
}
.panelist-mini-bar.best .fill { background: var(--accent); }

.panelist-reasoning-toggle {
  background: transparent;
  border: none;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 0;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}
.panelist-reasoning-toggle:hover { color: var(--accent); text-decoration-color: var(--accent); }
.panelist-reasoning {
  display: none;
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.panelist-reasoning.show { display: block; }
.panelist-concept {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
  font-style: italic;
}

/* Image preview (only available when figure was detected) */
.verdict-image-row {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.verdict-image-toggle {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 2px;
}
.verdict-image-toggle:hover { border-color: var(--accent); color: var(--accent); }
.verdict-image {
  margin-top: 16px;
  max-width: 100%;
  border-radius: 3px;
  border: 1px solid var(--line);
  display: none;
}
.verdict-image.show { display: block; }

/* Answer logging */
.answer-log {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: 3px;
}
.answer-log-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.answer-log-row { display: flex; gap: 8px; align-items: center; }
.answer-log-row input {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: 2px;
  width: 60px;
  text-align: center;
  text-transform: uppercase;
}
.answer-log-row input:focus { outline: none; border-color: var(--accent); }
.answer-log-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  margin-left: 8px;
}
.answer-log-status.match { color: var(--good); }
.answer-log-status.miss { color: var(--bad); }

/* Error states */
.verdict-error {
  max-width: 520px;
  margin: 60px auto;
  text-align: center;
  padding: 32px;
  border: 1px solid rgba(214, 93, 93, 0.4);
  border-radius: 3px;
  background: rgba(214, 93, 93, 0.04);
}
.verdict-error-title {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bad);
  margin-bottom: 12px;
}
.verdict-error-text {
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 1.6;
}

/* ─── Mobile ──────────────────────────────────────────────────────────── */

@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: auto;
    min-height: calc(100vh - 48px);
  }
  body { overflow: auto; }
  .panel-left {
    border-right: none;
    border-bottom: 1px solid var(--line);
    max-height: 50vh;
  }
  .panel-right { padding: 20px 16px 60px; }
  .panelists { grid-template-columns: 1fr; }
  .verdict-letter { font-size: 64px; }
  .verdict-choice { grid-template-columns: 20px 50px 1fr 48px; gap: 8px; }
}