/* ═══════════════════════════════════════════════════════════
   eDiscovery Suite — Tool Page Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Token bridge: map generic vars to app-shell dark palette ── */
.ediscovery {
  --text-primary: var(--app-text, #ece8e0);
  --text-secondary: var(--app-text-muted, #c0c8e0);
  --bg-card: var(--app-surface, #2d3f6e);
  --border: var(--app-border, rgb(255 255 255 / 10%));
  --accent: var(--gem-sapphire-flat, #1f3a99);
  --accent-bg: color-mix(in srgb, var(--gem-sapphire-flat, #1f3a99) 18%, transparent);
  --accent-text: var(--gem-sapphire-text, #a8c0ff);
}

.ediscovery {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

/* ── Header ─────────────────────────────────────────── */

.ediscovery__header {
  margin-block-end: 1.5rem;
}

.ediscovery__header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.ediscovery__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary, #111);
  margin: 0;
}

.ediscovery__subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary, #555);
  margin-block-start: 0.25rem;
}

.ediscovery__tier-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.ediscovery__tier-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 6px;
  font-weight: 600;
  background: var(--accent-bg, #e0f2fe);
  color: var(--accent-text, #0369a1);
}

/* ── Case Selector ──────────────────────────────────── */

.ediscovery__section {
  margin-block-end: 1.5rem;
}

.ediscovery__label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-block-end: 0.35rem;
  color: var(--text-secondary, #555);
}

.ediscovery__case-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.ediscovery__select {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 6px;
  background: var(--bg-card, #fff);
  font-size: 0.9rem;
  min-width: 240px;
}

.ediscovery__select--sm {
  min-width: 120px;
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
}

/* ── Dashboard Stats ────────────────────────────────── */

.ediscovery__stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-block-end: 1rem;
}

.ediscovery__stat-grid--sm {
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.5rem;
}

.ediscovery__stat {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 8px;
  padding: 0.75rem;
  text-align: center;
}

.ediscovery__stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary, #111);
  line-height: 1.2;
}

.ediscovery__stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Tabs ───────────────────────────────────────────── */

.ediscovery__tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border, #e5e7eb);
  margin-block-end: 1rem;
  overflow-x: auto;
}

.ediscovery__tab {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary, #6b7280);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -2px;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.ediscovery__tab:hover {
  color: var(--text-primary, #111);
}

.ediscovery__tab--active {
  color: var(--accent, #2563eb);
  border-bottom-color: var(--accent, #2563eb);
  font-weight: 600;
}

/* ── Panels ─────────────────────────────────────────── */

.ediscovery__panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 1rem;
}

.ediscovery__panel-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.ediscovery__filters {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* ── List & Cards ───────────────────────────────────── */

.ediscovery__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ediscovery__empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-secondary, #9ca3af);
  font-size: 0.9rem;
}

.ediscovery__card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.ediscovery__card--compact {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
}

.ediscovery__card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-end: 0.35rem;
  flex-wrap: wrap;
}

.ediscovery__card p {
  font-size: 0.85rem;
  color: var(--text-secondary, #555);
  margin: 0.25rem 0;
}

.ediscovery__card-actions {
  display: flex;
  gap: 0.4rem;
  margin-block-start: 0.5rem;
}

/* ── Results ────────────────────────────────────────── */

.ediscovery__results {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ── Dialog ─────────────────────────────────────────── */

.ediscovery__dialog {
  max-width: 480px;
  width: 90vw;
  border-radius: 12px;
  border: 1px solid var(--border, #d1d5db);
  padding: 1.5rem;
  box-shadow: 0 10px 40px rgb(0 0 0 / 15%);
}

.ediscovery__dialog::backdrop {
  background: rgb(0 0 0 / 40%);
}

.ediscovery__dialog h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.ediscovery__dialog label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-block-end: 0.75rem;
  color: var(--text-secondary, #555);
}

.ediscovery__dialog input,
.ediscovery__dialog textarea,
.ediscovery__dialog select {
  display: block;
  width: 100%;
  margin-block-start: 0.25rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 6px;
  font-size: 0.9rem;
}

.ediscovery__dialog-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-block-start: 1rem;
}

/* ── Tier Gate ──────────────────────────────────────── */

.tier-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.tier-gate__inner {
  text-align: center;
  max-width: 420px;
  padding: 2rem;
}

.tier-gate__icon {
  color: var(--text-secondary, #9ca3af);
  margin-block-end: 1rem;
}

.tier-gate__inner h2 {
  font-size: 1.25rem;
  margin-block-end: 0.5rem;
}

.tier-gate__inner p {
  font-size: 0.9rem;
  color: var(--text-secondary, #555);
  margin-block-end: 1.5rem;
}

/* ── Responsive ─────────────────────────────────────── */

@media (width <= 640px) {
  .ediscovery__stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ediscovery__header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .ediscovery__case-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .ediscovery__select {
    min-width: 100%;
  }
}

/* ═══════════════════════════════════════════════════════════
   EDRM Stage Navigator
   ═══════════════════════════════════════════════════════════ */

.edrm-stages {
  margin-block-end: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.edrm-stages__track {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.edrm-stages__stage {
  flex: 1;
  min-width: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 0.5rem;
  border-bottom: 3px solid var(--border, #e5e7eb);
  cursor: pointer;
  transition:
    border-color 0.2s,
    background 0.2s;
  text-align: center;
}

.edrm-stages__stage:hover {
  background: var(--accent-bg, color-mix(in srgb, var(--accent, #2563eb) 8%, transparent));
}

.edrm-stages__stage--active {
  border-bottom-color: var(--accent, #2563eb);
}

.edrm-stages__stage--active .edrm-stages__number {
  background: var(--accent, #2563eb);
  color: #fff;
}

.edrm-stages__stage--complete {
  border-bottom-color: #22c55e;
}

.edrm-stages__stage--complete .edrm-stages__number {
  background: #22c55e;
  color: #fff;
}

.edrm-stages__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--bg-card, #f3f4f6);
  color: var(--text-secondary, #6b7280);
  transition:
    background 0.2s,
    color 0.2s;
}

.edrm-stages__label,
.edrm-stages__label-prose {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary, #6b7280);
  white-space: nowrap;
}

.edrm-stages__stage--active .edrm-stages__label,
.edrm-stages__stage--active .edrm-stages__label-prose {
  color: var(--accent, #2563eb);
}

@media (width <= 640px) {
  .edrm-stages__stage {
    min-width: 70px;
    padding: 0.5rem 0.25rem;
  }

  .edrm-stages__label,
  .edrm-stages__label-prose {
    font-size: 0.65rem;
  }
}

/* ═══════════════════════════════════════════════════════════
   Document Viewer
   ═══════════════════════════════════════════════════════════ */

.viewer {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 3.5rem);
  overflow: hidden;
}

/* Toolbar */

.viewer__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--app-border, #e5e7eb);
  background: var(--app-surface, #fff);
  flex-shrink: 0;
}

.viewer__toolbar-left,
.viewer__toolbar-center,
.viewer__toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.viewer__back {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary, #6b7280);
  text-decoration: none;
  font-weight: 500;
}

.viewer__back:hover {
  color: var(--accent, #2563eb);
}

.viewer__separator {
  color: var(--border, #d1d5db);
}

.viewer__filename {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary, #111);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer__nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 6px;
  background: var(--bg-card, #fff);
  color: var(--text-primary, #111);
  cursor: pointer;
  transition: background 0.15s;
}

.viewer__nav-btn:hover:not(:disabled) {
  background: var(--accent-bg, #f0f7ff);
}

.viewer__nav-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.viewer__doc-index {
  font-size: 0.8rem;
  color: var(--text-secondary, #6b7280);
  min-width: 4rem;
  text-align: center;
}

.viewer__select {
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 6px;
  font-size: 0.8rem;
  background: var(--bg-card, #fff);
}

.viewer__review-actions {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

/* Main body — split pane */

.viewer__body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.viewer__content {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--app-bg, #f9fafb);
  position: relative;
}

.viewer__empty {
  text-align: center;
  color: var(--text-secondary, #9ca3af);
  padding: 2rem;
}

.viewer__empty p {
  margin-block-start: 0.75rem;
  font-size: 0.9rem;
}

.viewer__empty kbd {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 4px;
  font-size: 0.8rem;
  background: var(--bg-card, #f3f4f6);
}

/* PDF container */

.viewer__pdf {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  overflow: auto;
  padding: 1rem;
}

.viewer__pdf canvas {
  max-width: 100%;
  box-shadow: 0 2px 8px rgb(0 0 0 / 10%);
}

.viewer__pdf-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-start: 0.75rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 8px;
  font-size: 0.8rem;
}

/* Image container */

.viewer__image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  width: 100%;
  overflow: auto;
}

.viewer__image img {
  max-width: 100%;
  max-height: calc(100vh - 8rem);
  object-fit: contain;
  box-shadow: 0 2px 8px rgb(0 0 0 / 10%);
}

/* Media container */

.viewer__media {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  width: 100%;
}

.viewer__media video {
  max-width: 100%;
  max-height: calc(100vh - 8rem);
}

.viewer__media audio {
  width: 100%;
  max-width: 600px;
}

/* Text container */

.viewer__text {
  width: 100%;
  overflow: auto;
  padding: 1.5rem;
}

.viewer__text pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: "Fira Code", Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-primary, #111);
  margin: 0;
}

/* Sidebar */

.viewer__sidebar {
  width: 320px;
  flex-shrink: 0;
  border-left: 1px solid var(--app-border, #e5e7eb);
  background: var(--app-surface, #fff);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.viewer__sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border, #e5e7eb);
  flex-shrink: 0;
}

.viewer__sidebar-tab {
  flex: 1;
  padding: 0.6rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary, #6b7280);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -1px;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.viewer__sidebar-tab:hover {
  color: var(--text-primary, #111);
}

.viewer__sidebar-tab--active {
  color: var(--accent, #2563eb);
  border-bottom-color: var(--accent, #2563eb);
  font-weight: 600;
}

.viewer__sidebar-panel {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
}

/* Metadata */

.viewer__meta-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
  font-size: 0.8rem;
  margin: 0;
}

.viewer__meta-list dt {
  font-weight: 600;
  color: var(--text-secondary, #6b7280);
}

.viewer__meta-list dd {
  margin: 0;
  color: var(--text-primary, #111);
  word-break: break-all;
}

.viewer__hash {
  font-family: "Fira Code", monospace;
  font-size: 0.7rem;
}

/* Custody chain */

.viewer__custody-chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.viewer__custody-entry {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding: 0.5rem;
  border-left: 3px solid var(--accent, #2563eb);
  background: var(--accent-bg, #f0f7ff);
  border-radius: 0 6px 6px 0;
  font-size: 0.8rem;
}

.viewer__custody-action {
  font-weight: 600;
  color: var(--text-primary, #111);
}

.viewer__custody-actor {
  color: var(--text-secondary, #6b7280);
}

.viewer__custody-time {
  font-size: 0.7rem;
  color: var(--text-secondary, #9ca3af);
}

.viewer__custody-hash {
  font-family: monospace;
  font-size: 0.7rem;
  color: var(--text-primary, #111);
}

.viewer__custody-empty {
  color: var(--text-secondary, #9ca3af);
  font-size: 0.85rem;
  padding: 1rem;
  text-align: center;
}

/* Analysis */

.viewer__analysis-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  font-size: 0.8rem;
  margin: 0;
}

.viewer__analysis-stage {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.viewer__analysis-badge {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
}

.viewer__analysis-badge--success {
  background: #dcfce7;
  color: #166534;
}

.viewer__analysis-badge--error {
  background: #fef2f2;
  color: #991b1b;
}

.viewer__analysis-badge--pending {
  background: #fef3c7;
  color: #92400e;
}

.viewer__analysis-detail {
  margin: 0;
  color: var(--text-secondary, #555);
  font-size: 0.78rem;
  line-height: 1.5;
}

.viewer__analysis-empty {
  color: var(--text-secondary, #9ca3af);
  font-size: 0.85rem;
  padding: 1rem;
  text-align: center;
}

/* Annotations */

.viewer__annotation-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-block-end: 1rem;
}

.viewer__annotation-form textarea {
  padding: 0.5rem;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 6px;
  font-size: 0.8rem;
  resize: vertical;
}

.viewer__annotation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.viewer__annotation-item {
  padding: 0.5rem;
  background: var(--bg-card, #f9fafb);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 6px;
}

.viewer__annotation-text {
  font-size: 0.8rem;
  margin: 0 0 0.25rem;
  color: var(--text-primary, #111);
}

.viewer__annotation-meta {
  font-size: 0.7rem;
  color: var(--text-secondary, #9ca3af);
}

.viewer__annotation-empty {
  color: var(--text-secondary, #9ca3af);
  font-size: 0.85rem;
  padding: 1rem;
  text-align: center;
}

/* Viewer responsive */

@media (width <= 768px) {
  .viewer__sidebar {
    width: 100%;
    max-height: 40vh;
    border-left: none;
    border-top: 1px solid var(--app-border, #e5e7eb);
  }

  .viewer__body {
    flex-direction: column;
  }

  .viewer__toolbar-center {
    display: none;
  }

  .viewer__filename {
    max-width: 160px;
  }
}