/* === XOGAI — Dark Theme === */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #1e1e35;
  --bg-input: #16162a;
  --border: #2a2a4a;
  --border-light: #3a3a5a;
  --text-primary: #e8e8f0;
  --text-secondary: #9898b0;
  --text-muted: #6868808;
  --accent-primary: #6c5ce7;
  --accent-secondary: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --success: #00b894;
  --danger: #e17055;
  --warning: #fdcb6e;

  /* Provider colors */
  --xai: #1DA1F2;
  --openai: #10A37F;
  --google: #4285F4;
  --anthropic: #D4A574;
  --ibm: #0F62FE;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === Header === */

.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(18, 18, 26, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 2px;
  font-family: 'JetBrains Mono', monospace;
}

.logo-x { color: var(--xai); }
.logo-o { color: var(--openai); }
.logo-g { color: var(--google); }
.logo-a { color: var(--anthropic); }
.logo-i { color: var(--ibm); }
.logo-dot { color: var(--text-secondary); }
.logo-bot { color: var(--text-secondary); font-weight: 500; font-size: 0.75em; letter-spacing: 1px; }

.tagline {
  color: var(--text-secondary);
  font-size: 0.85rem;
  flex: 1;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
}

.date-nav select {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.date-nav select:hover {
  border-color: var(--border-light);
}

/* === Date Banner === */

.date-banner {
  text-align: center;
  padding: 40px 0 20px;
}

.date-nav-arrows {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 8px;
}

.date-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.2s;
  text-decoration: none;
}

.date-arrow:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--bg-input);
}

.date-arrow-disabled {
  width: 36px;
  visibility: hidden;
}

.date-banner h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.back-today {
  color: var(--accent-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.back-today:hover {
  color: var(--accent-primary);
}

/* === Empty State === */

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

/* === Prompt Card === */

.prompt-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 32px;
  overflow: hidden;
  box-shadow: var(--shadow);
  scroll-margin-top: 80px;
}

.prompt-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.05), rgba(162, 155, 254, 0.02));
}

.prompt-header.collapsible-toggle {
  cursor: pointer;
  user-select: none;
}

.prompt-header.collapsible-toggle:hover {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(162, 155, 254, 0.05));
}

.prompt-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.collapse-icon {
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.prompt-card.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

.collapsible-content {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.2s ease;
}

.prompt-card.collapsed .collapsible-content {
  max-height: 0 !important;
  opacity: 0;
  border-top: none;
}

.prompt-card.collapsed .prompt-header {
  border-bottom: none;
}

.prompt-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.7rem;
  transition: all var(--transition);
}

.share-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
  background: rgba(108, 92, 231, 0.1);
}

.share-btn-copied {
  border-color: var(--success);
  color: var(--success);
}

.share-btn-label {
  font-family: 'JetBrains Mono', monospace;
}

.prompt-type-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: 'JetBrains Mono', monospace;
}

.prompt-type-badge.yesno {
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-secondary);
  border: 1px solid rgba(108, 92, 231, 0.3);
}

.prompt-type-badge.short {
  background: rgba(0, 184, 148, 0.15);
  color: var(--success);
  border: 1px solid rgba(0, 184, 148, 0.3);
}

.prompt-type-badge.svg {
  background: rgba(225, 112, 85, 0.15);
  color: var(--danger);
  border: 1px solid rgba(225, 112, 85, 0.3);
}

.prompt-text {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

/* === Response Grid === */

.responses-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.response-card {
  padding: 20px;
  border-right: 1px solid var(--border);
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
}

.response-card:last-child {
  border-right: none;
}

.response-card:hover {
  background: var(--bg-card-hover);
}

.response-provider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.provider-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: white;
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}

.provider-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.provider-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.model-name {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.response-body {
  flex: 1;
  margin-bottom: 12px;
}

.response-text {
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-primary);
  word-break: break-word;
}

.response-text.response-yes {
  color: var(--success);
}

.response-text.response-no {
  color: var(--danger);
}

/* Truncated long responses */
.response-truncated {
  cursor: pointer;
}

.response-truncated.expanded .response-preview {
  display: none;
}

.response-truncated.expanded .response-full {
  display: inline !important;
}

.response-truncated.expanded .expand-btn {
  display: inline-block;
}

.expand-btn {
  background: none;
  border: none;
  color: var(--accent-secondary);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  padding: 2px 0;
  margin-top: 4px;
  display: block;
}

.expand-btn:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.response-text.response-refused {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 8px 0;
}

.response-error {
  font-size: 0.8rem;
  color: var(--danger);
  font-style: italic;
}

/* === SVG Response Rendering === */

.svg-render {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 120px;
  max-height: 400px;
  overflow: hidden;
  padding: 8px;
}

.svg-render img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
}

.svg-code {
  max-height: 200px;
  overflow: auto;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 8px;
}

.svg-code pre {
  margin: 0;
  padding: 10px;
}

.svg-code code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
}

.svg-toggle {
  margin-top: 6px;
}

.prompt-type-svg .response-card {
  min-height: 200px;
}

.same-since {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 8px;
  opacity: 0.7;
}

.diff-link {
  color: var(--accent-secondary);
  text-decoration: none;
  font-style: normal;
}

.diff-link:hover {
  text-decoration: underline;
  color: var(--accent-primary);
}

.response-footer {
  display: flex;
  align-items: center;
}

.vote-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  transition: all var(--transition);
}

.vote-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
  background: rgba(108, 92, 231, 0.1);
}

.vote-btn.voted {
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
  background: rgba(108, 92, 231, 0.15);
}

.vote-count {
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.vote-frozen {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  opacity: 0.7;
}

.vote-count-frozen {
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

/* === Changed Response Highlight === */

.response-card.response-changed {
  border: 1px solid rgba(253, 203, 110, 0.4);
  border-radius: 6px;
  margin: 4px;
}

.changed-badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 20px;
  margin-left: auto;
  background: rgba(253, 203, 110, 0.2);
  color: var(--warning);
  border: 1px solid rgba(253, 203, 110, 0.45);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
}

a.changed-badge:hover {
  background: rgba(253, 203, 110, 0.35);
  text-decoration: none;
}

.response-card.response-new {
  border: 1px solid rgba(0, 184, 148, 0.4);
  border-radius: 6px;
  margin: 4px;
}

.new-badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 20px;
  margin-left: auto;
  background: rgba(0, 184, 148, 0.2);
  color: var(--success);
  border: 1px solid rgba(0, 184, 148, 0.45);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
  flex-shrink: 0;
}

/* === Footer === */

.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 48px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.footer-suggest h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.suggest-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.suggest-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.suggest-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.suggest-user img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

input[type="text"],
select,
textarea {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color var(--transition);
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.suggest-result {
  font-size: 0.85rem;
  min-height: 20px;
}

.suggest-result.success {
  color: var(--success);
}

.suggest-result.error {
  color: var(--danger);
}

/* === Buttons === */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: #5a4bd4;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

.btn-google {
  background: white;
  color: #333;
  padding: 10px 20px;
}

.btn-google:hover {
  background: #f5f5f5;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.btn-google svg {
  flex-shrink: 0;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

/* === Footer Info === */

.footer-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.footer-brand {
  font-size: 1.1rem;
  font-family: 'JetBrains Mono', monospace;
}

.footer-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--accent-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* === Responsive === */

@media (max-width: 1024px) {
  .responses-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .response-card:nth-child(3) {
    border-right: none;
  }

  .response-card:nth-child(n+4) {
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .tagline {
    flex: none;
  }

  .responses-grid {
    grid-template-columns: 1fr 1fr;
  }

  .response-card {
    border-right: none;
  }

  .response-card:nth-child(odd) {
    border-right: 1px solid var(--border);
  }

  .response-card:nth-child(n+3) {
    border-top: 1px solid var(--border);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .date-banner {
    padding: 24px 0 12px;
  }

  .prompt-text {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .responses-grid {
    grid-template-columns: 1fr;
  }

  .response-card {
    border-right: none !important;
  }

  .response-card + .response-card {
    border-top: 1px solid var(--border);
  }

  .prompt-header {
    padding: 16px 20px;
  }

  .response-card {
    padding: 16px;
  }

  .logo {
    font-size: 1.5rem;
  }
}

/* === Admin Badge (header) === */

.admin-badge {
  background: var(--accent-primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}