/* ═══════════════════════════════════════════════════════════════════
   compare.css — Blind model tournament styles
   Uses landing.css tokens (paper/ink/green design system)
   ═══════════════════════════════════════════════════════════════════ */

/* ——— Layout ——— */
.compare-main {
  padding-top: 48px;
  padding-bottom: 80px;
  min-height: calc(100vh - 200px);
}

.compare-phase {
  max-width: 900px;
  margin: 0 auto;
}

.compare-phase[hidden] {
  display: none;
}

/* ——— Fixture banner ——— */
.fixture-banner {
  background: var(--yellow-500);
  color: var(--ink-1);
  padding: 10px 16px;
  border-radius: var(--r-2);
  margin-bottom: 24px;
  font-size: 14px;
  text-align: center;
}

.fixture-banner[hidden] {
  display: none;
}

/* ——— Entry phase ——— */
.compare-hero {
  text-align: center;
  margin-bottom: 40px;
}

.compare-hero h1 {
  font-size: var(--h3-size);
  font-weight: var(--heading-weight);
  letter-spacing: var(--h3-tracking);
  line-height: var(--h3-leading);
  margin-bottom: 16px;
}

.compare-lede {
  font-size: var(--body-l-size);
  line-height: var(--body-l-leading);
  color: var(--ink-2);
  max-width: 640px;
  margin: 0 auto;
}

/* ——— Prompt form ——— */
.prompt-form {
  background: var(--paper-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-3);
  padding: 28px;
}

.prompt-label {
  display: block;
  font-size: 15px;
  font-weight: var(--subhead-weight);
  margin-bottom: 10px;
}

.prompt-input {
  width: 100%;
  min-height: 120px;
  padding: 14px;
  font-family: var(--font-core);
  font-size: var(--body-m-size);
  line-height: var(--body-m-leading);
  color: var(--ink-1);
  background: var(--paper-0);
  border: 1px solid var(--line-2);
  border-radius: var(--r-2);
  resize: vertical;
}

.prompt-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--green-100);
}

.prompt-input::placeholder {
  color: var(--ink-4);
}

.prompt-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-4);
}

.char-count.over-limit {
  color: var(--red-600);
}

.prompt-examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.prompt-examples-label {
  font-size: 12px;
  color: var(--ink-4);
}

.prompt-example {
  padding: 4px 10px;
  background: var(--paper-0);
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  font: inherit;
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color var(--dur-1) var(--ease-swift),
              background var(--dur-1) var(--ease-swift);
}

.prompt-example:hover {
  border-color: var(--accent);
  background: var(--green-50);
}

.prompt-example:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--green-100);
}

.privacy-notice {
  margin-top: 20px;
  padding: 14px;
  background: var(--paper-0);
  border: 1px dashed var(--line-2);
  border-radius: var(--r-2);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
}

.privacy-notice p {
  margin: 0;
}

.privacy-notice a {
  color: var(--link);
}

.privacy-notice a:hover {
  color: var(--link-hover);
}

.prompt-actions {
  margin-top: 24px;
  text-align: center;
}

.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn-spinner[hidden] {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ——— Generating phase ——— */
.generating-status {
  text-align: center;
  padding: 80px 20px;
}

.generating-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--line-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 24px;
  animation: spin 1s linear infinite;
}

.generating-status h2 {
  font-size: var(--h4-size);
  font-weight: var(--heading-weight);
  margin-bottom: 12px;
}

.generating-status p {
  color: var(--ink-3);
}

/* ——— Voting phase ——— */
.match-header {
  text-align: center;
  margin-bottom: 32px;
}

.match-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.match-round {
  font-size: var(--h4-size);
  font-weight: var(--heading-weight);
  letter-spacing: var(--h4-tracking);
}

.match-step {
  font-size: 14px;
  color: var(--ink-3);
  background: var(--paper-1);
  padding: 4px 12px;
  border-radius: var(--r-pill);
}

.match-instruction {
  color: var(--ink-3);
  font-size: 15px;
}

/* ——— Prompt recap ——— */
.prompt-recap {
  margin-bottom: 24px;
}

.prompt-recap[hidden] {
  display: none;
}

.prompt-recap-details {
  background: var(--paper-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-2);
}

.prompt-recap-details summary {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: var(--subhead-weight);
  color: var(--ink-3);
  cursor: pointer;
}

.prompt-recap-details summary:hover {
  background: var(--paper-2);
}

.prompt-recap-text {
  padding: 0 16px 16px;
  font-family: var(--font-core);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  margin: 0;
  max-height: 150px;
  overflow: auto;
}

.match-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.match-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: var(--subhead-weight);
  color: var(--ink-4);
  padding: 0 8px;
}

.match-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-0);
  border: 1px solid var(--line-2);
  border-radius: var(--r-3);
  padding: 0;
  text-align: left;
  min-width: 0; /* Prevent grid blowout from long content */
}

.match-card.selected {
  border-color: var(--accent);
  background: var(--green-50);
}

.match-card.voting {
  pointer-events: none;
  opacity: 0.7;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-3);
}

.card-label {
  font-size: 14px;
  font-weight: var(--subhead-weight);
  color: var(--ink-2);
}

.card-body {
  flex: 1;
  padding: 20px;
  overflow: auto;
  max-height: 400px;
  min-width: 0; /* Prevent content blowout */
}

.response-text {
  font-family: var(--font-core);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-1);
  white-space: pre-wrap;
  overflow-wrap: anywhere; /* Break any unbreakable strings */
  word-break: break-word;
  margin: 0;
}

.card-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--line-3);
  text-align: center;
}

.btn-vote {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: var(--subhead-weight);
}

.btn-vote:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ——— Results phase ——— */
.results-header {
  text-align: center;
  margin-bottom: 32px;
}

.results-header h2 {
  font-size: var(--h3-size);
  font-weight: var(--heading-weight);
  letter-spacing: var(--h3-tracking);
  margin-bottom: 8px;
}

.results-subtitle {
  color: var(--ink-3);
  font-size: 16px;
}

.champion-card {
  background: var(--green-600);
  color: var(--text-on-accent);
  border-radius: var(--r-3);
  padding: 32px;
  text-align: center;
  margin-bottom: 24px;
}

.champion-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 16px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: var(--subhead-weight);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.champion-name {
  font-size: var(--h4-size);
  font-weight: var(--heading-weight);
  margin-bottom: 20px;
}

.champion-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 12px;
  opacity: 0.8;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 20px;
  font-weight: var(--subhead-weight);
}

.results-note {
  text-align: center;
  font-size: 14px;
  color: var(--ink-3);
  margin-bottom: 32px;
}

.results-details {
  background: var(--paper-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-3);
  margin-bottom: 32px;
}

.results-details summary {
  padding: 16px 20px;
  font-weight: var(--subhead-weight);
  cursor: pointer;
}

.results-details summary:hover {
  background: var(--paper-2);
}

.all-responses {
  padding: 0 20px 20px;
  display: grid;
  gap: 16px;
}

.response-card {
  background: var(--paper-0);
  border: 1px solid var(--line-2);
  border-radius: var(--r-2);
  overflow: hidden;
}

.response-card.winner {
  border-color: var(--green-600);
  border-width: 2px;
}

.response-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-3);
  background: var(--paper-1);
}

.response-card.winner .response-card-header {
  background: var(--green-100);
}

.response-model-name {
  font-weight: var(--subhead-weight);
  font-size: 14px;
}

.response-stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--ink-3);
}

.response-card-body {
  padding: 16px;
  max-height: 300px;
  overflow: auto;
}

.response-card-body pre {
  font-family: var(--font-core);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
}

.results-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

/* ——— Signup CTA ——— */
.signup-cta {
  background: var(--paper-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-3);
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
}

.signup-cta h3 {
  font-size: var(--h6-size);
  font-weight: var(--subhead-weight);
  margin-bottom: 8px;
}

.signup-cta > p {
  color: var(--ink-3);
  font-size: 14px;
  max-width: 480px;
  margin: 0 auto 20px;
}

/* ——— Form messages ——— */
.form-msg {
  font-size: 14px;
  margin-top: 12px;
}

.form-msg.err {
  color: var(--red-600);
}

.form-msg.ok {
  color: var(--green-600);
}

.form-msg[hidden] {
  display: none;
}

.btn-link {
  background: none;
  border: none;
  color: var(--link);
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  padding: 0;
  margin-left: 4px;
}

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

/* ——— 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;
}

.noscript-notice {
  background: var(--yellow-500);
  color: var(--ink-1);
  padding: 16px 20px;
  border-radius: var(--r-2);
  text-align: center;
  margin: 40px 0;
}

.noscript-notice p {
  margin: 0;
}

/* ——— Streaming status indicators ——— */
.card-status {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  margin-left: 8px;
}

.card-status.status-waiting {
  background: var(--paper-2);
  color: var(--ink-3);
}

.card-status.status-responding {
  background: var(--green-100);
  color: var(--green-700);
}

.card-status.status-complete {
  background: var(--green-600);
  color: var(--text-on-accent);
}

/* Visually hidden screen reader status for streaming updates */
.card-status-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.placeholder-text {
  color: var(--ink-4);
  font-style: italic;
}

/* ——— Markdown content styling ——— */
.response-text,
.markdown-content,
.response-card-body.markdown-content {
  font-family: var(--font-core);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-1);
}

/* Remove pre-wrap from markdown containers (markdown-it handles this) */
.response-text,
.markdown-content {
  white-space: normal;
}

.response-text p,
.markdown-content p {
  margin: 0 0 1em 0;
}

.response-text p:last-child,
.markdown-content p:last-child {
  margin-bottom: 0;
}

.response-text h1,
.response-text h2,
.response-text h3,
.response-text h4,
.response-text h5,
.response-text h6,
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  font-weight: var(--subhead-weight);
  line-height: 1.3;
  margin: 1.2em 0 0.6em 0;
}

.response-text h1:first-child,
.response-text h2:first-child,
.response-text h3:first-child,
.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
  margin-top: 0;
}

.response-text h1,
.markdown-content h1 {
  font-size: 1.4em;
}

.response-text h2,
.markdown-content h2 {
  font-size: 1.25em;
}

.response-text h3,
.markdown-content h3 {
  font-size: 1.1em;
}

.response-text h4,
.response-text h5,
.response-text h6,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  font-size: 1em;
}

.response-text ul,
.response-text ol,
.markdown-content ul,
.markdown-content ol {
  margin: 0 0 1em 0;
  padding-left: 1.5em;
}

.response-text li,
.markdown-content li {
  margin-bottom: 0.25em;
}

.response-text strong,
.markdown-content strong {
  font-weight: var(--subhead-weight);
}

.response-text em,
.markdown-content em {
  font-style: italic;
}

.response-text a,
.markdown-content a {
  color: var(--link);
  text-decoration: underline;
}

.response-text a:hover,
.markdown-content a:hover {
  color: var(--link-hover);
}

.response-text blockquote,
.markdown-content blockquote {
  margin: 0 0 1em 0;
  padding: 0.5em 0 0.5em 1em;
  border-left: 3px solid var(--line-2);
  color: var(--ink-2);
}

.response-text code,
.markdown-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--paper-1);
  padding: 0.15em 0.4em;
  border-radius: var(--r-1);
}

.response-text pre,
.markdown-content pre {
  margin: 0 0 1em 0;
  padding: 12px;
  background: var(--paper-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-2);
  overflow-x: auto;
  max-width: 100%;
}

.response-text pre code,
.markdown-content pre code {
  background: transparent;
  padding: 0;
  font-size: 13px;
  line-height: 1.5;
}

.response-text hr,
.markdown-content hr {
  border: none;
  border-top: 1px solid var(--line-2);
  margin: 1.5em 0;
}

/* Tables */
.response-text table,
.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1em 0;
  font-size: 13px;
  display: block;
  overflow-x: auto;
}

.response-text th,
.response-text td,
.markdown-content th,
.markdown-content td {
  padding: 8px 12px;
  border: 1px solid var(--line-2);
  text-align: left;
}

.response-text th,
.markdown-content th {
  background: var(--paper-1);
  font-weight: var(--subhead-weight);
}

.response-text tr:nth-child(even) td,
.markdown-content tr:nth-child(even) td {
  background: var(--paper-1);
}

/* ——— Responsive ——— */
@media (max-width: 768px) {
  .compare-hero h1 {
    font-size: clamp(28px, 6vw, 40px);
  }

  .compare-lede {
    font-size: var(--body-m-size);
  }

  .prompt-form {
    padding: 20px;
  }

  .match-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .match-vs {
    padding: 8px 0;
  }

  .card-body {
    max-height: 250px;
  }

  .champion-stats {
    flex-direction: column;
    gap: 16px;
  }

  .results-actions {
    flex-direction: column;
    align-items: center;
  }

  .results-actions .btn {
    width: 100%;
    max-width: 280px;
  }

}