/* TC Verify Explorer Stylesheet
   Serious cryptographic infrastructure & evidence inspection layout.
   Zero external dependencies.
*/

/* Top Synthetic Demo Warning Bar */
.demo-synthetic-banner {
  background: rgba(245, 158, 11, 0.15);
  border-bottom: 1px solid rgba(245, 158, 11, 0.4);
  color: #fbbf24;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  padding: 0.4rem 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Tab Navigation */
.exp-tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding: 0 1rem;
  margin-top: 1rem;
  margin-bottom: 2rem;
  overflow-x: auto;
}
.exp-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.exp-tab-btn:hover {
  color: var(--text-primary);
}
.exp-tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

/* Search Bar & Quick Pills */
.explorer-search-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}
.search-input-group {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.search-input-group input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition);
}
.search-input-group input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}
.quick-pills {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.quick-pill-btn {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all var(--transition);
}
.quick-pill-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/* Status Cards & Banners */
.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.status-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 1rem;
}
.status-pill {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}
.status-active {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}
.status-stale {
  background: rgba(148, 163, 184, 0.15);
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: #cbd5e1;
}
.status-nodata {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.metric-box {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}
.metric-box-lbl {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}
.metric-box-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

/* Room Cards Grid */
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}
.room-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition), border-color var(--transition);
}
.room-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}
.room-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.room-card-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-cyan);
}
.room-badge {
  font-size: 0.76rem;
  padding: 0.2rem 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}
.room-metric {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.room-meta {
  font-size: 0.84rem;
  margin-bottom: 0.3rem;
}
.room-card button {
  margin-top: 1rem;
  width: 100%;
}

/* Room Chat View */
.room-chat-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 2rem;
}
.room-chat-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}
.chat-messages-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 600px;
  overflow-y: auto;
  padding-right: 0.5rem;
}
.chat-item {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: border-color var(--transition);
}
.chat-item:hover {
  border-color: rgba(56, 189, 248, 0.3);
}
.chat-target {
  border-left: 3px solid var(--accent-cyan);
  background: rgba(6, 182, 212, 0.04);
}
.chat-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}
.chat-text {
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.chat-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 0.6rem;
}
.chat-badge {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}
.badge-sig {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
}
.badge-proof {
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
}

/* Record Inspector Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.75rem;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}
.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}
.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dim);
  cursor: pointer;
}
.modal-close:hover {
  color: var(--text-primary);
}
.forensic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}
.forensic-table th, .forensic-table td {
  padding: 0.6rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: top;
}
.forensic-table th {
  width: 30%;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.forensic-table td {
  color: var(--text-primary);
  font-family: var(--font-mono);
  word-break: break-all;
}
.raw-code-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow-x: auto;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 160px;
}
.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  justify-content: flex-end;
}

/* C7 Consistency Panel */
.c7-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

/* Self-Verification Form */
.self-verify-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.form-group textarea, .form-group input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem;
}
.result-box {
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1.25rem;
  font-size: 0.9rem;
}
.result-valid {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}
.result-invalid {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Live Mode Styles & Badging */
.demo-live-banner {
  background: rgba(16, 185, 129, 0.15);
  border-bottom: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  padding: 0.4rem 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.btn-mode {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-mode:hover {
  color: var(--text-primary);
  border-color: var(--text-dim);
}
.btn-mode.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.badge-tag {
  display: inline-block;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-dim);
  border: 1px solid var(--border-color);
}

.retention-banner {
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  background: rgba(148, 163, 184, 0.08);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(56, 189, 248, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive & Accessibility Enhancements */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent-cyan, #38bdf8);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .demo-live-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .demo-live-banner .mode-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .search-input-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .search-input-group .btn-primary {
    width: 100%;
    height: 46px;
  }

  .did-meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .exp-tabs-nav {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 0.25rem;
  }

  .modal-content {
    width: 95%;
    max-height: 90vh;
    padding: 1.25rem;
    margin: 1rem auto;
  }

  .chat-msg-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
}

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

  .room-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* === RESPONSIVE & ACCESSIBILITY ENHANCEMENTS (V2 QA) === */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
  }


  .demo-synthetic-banner {
    font-size: 0.7rem;
    padding: 0.5rem 0.75rem;
    letter-spacing: 0.04em;
    line-height: 1.4;
    word-break: break-word;
  }

  .main-nav .nav-item:not(.nav-explorer-btn):not(.nav-external) {
    display: none;
  }

  .header-container {
    padding: 0.75rem 1rem;
  }

  .exp-tabs-nav {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
    scrollbar-width: thin;
  }

  .exp-tab-btn {
    flex-shrink: 0;
    font-size: 0.82rem;
    padding: 0.6rem 0.85rem;
  }

  .mode-selector-wrap {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  #mode-source-badge {
    margin-left: 0 !important;
    width: 100%;
    text-align: center;
  }

  .search-input-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .search-input-group input {
    width: 100% !important;
  }

  .search-input-group #btn-explore {
    width: 100% !important;
    justify-content: center;
  }

  .quick-pills {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .quick-pill-btn {
    font-size: 0.78rem;
  }

  .status-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .metrics-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .record-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .proof-audit-path {
    font-size: 0.72rem;
  }
}

@media (max-width: 480px) {
  .version-tag {
    display: none;
  }

  .main-nav .nav-external {
    display: none;
  }

  .metrics-row {
    grid-template-columns: 1fr;
  }

  .explorer-search-box {
    padding: 1.25rem 1rem;
  }
}