/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   app.css — Evident eDiscovery application styles
   Dark design system for auth, dashboard, and account pages.
   Scoped under .app-page to avoid bleeding into marketing pages.
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* ── Design tokens ──────────────────────────────────────── */

:root {
  --app-bg: #0d1117;
  --app-surface: #161b22;
  --app-surface-2: #1c2128;
  --app-border: #30363d;
  --app-text: #e6edf3;
  --app-text-muted: #8b949e;
  --app-accent: #58a6ff;
  --app-accent-hover: #79c0ff;
  --app-success: #3fb950;
  --app-error: #f85149;
  --app-warning: #d29922;
  --app-radius: 6px;
  --app-radius-lg: 10px;
  --app-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Page-level overrides ───────────────────────────────── */

.app-page {
  background: var(--app-bg);
  color: var(--app-text);
  font-family: var(--app-font);
  min-height: 100vh;
  padding: 0;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   AUTH FORMS  (signup, login)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.auth-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 12rem);
  padding: 2rem 1rem;
}

.auth-card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 420px;
}

.auth-card__header {
  text-align: center;
  margin-block-end: 2rem;
}

.auth-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--app-text);
}

.auth-card__subtitle {
  font-size: 0.9rem;
  color: var(--app-text-muted);
  margin: 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.auth-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--app-text);
}

.auth-input {
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  color: var(--app-text);
  font-size: 0.95rem;
  padding: 0.65rem 0.75rem;
  transition: border-color 0.15s;
}

.auth-input:focus {
  outline: none;
  border-color: var(--app-accent);
  box-shadow: 0 0 0 3px rgb(88 166 255 / 0.15);
}

.auth-hint {
  font-size: 0.8rem;
  color: var(--app-text-muted);
  margin: 0;
}

.auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--app-accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--app-radius);
  padding: 0.7rem 1.5rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.auth-btn:hover {
  background: var(--app-accent-hover);
}

.auth-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.auth-btn--sm {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
}

.auth-btn--outline {
  background: transparent;
  border: 1px solid var(--app-border);
  color: var(--app-text);
}

.auth-btn--outline:hover {
  border-color: var(--app-accent);
  color: var(--app-accent);
}

.auth-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--app-radius);
  font-size: 0.9rem;
  margin-block-end: 1rem;
}

.auth-alert--error {
  background: rgb(248 81 73 / 0.1);
  border: 1px solid var(--app-error);
  color: var(--app-error);
}

.auth-alert--success {
  background: rgb(63 185 80 / 0.1);
  border: 1px solid var(--app-success);
  color: var(--app-success);
}

.auth-footer {
  text-align: center;
  margin-block-start: 1.5rem;
  font-size: 0.9rem;
  color: var(--app-text-muted);
}

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

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

.auth-legal {
  text-align: center;
  font-size: 0.8rem;
  color: var(--app-text-muted);
  margin-block-start: 0.75rem;
}

.auth-legal a {
  color: var(--app-accent);
  text-decoration: none;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   DASHBOARD  (app-shell, sidebar, files, pipeline)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 5rem);
}

@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    border-inline-end: none;
    border-block-end: 1px solid var(--app-border);
    max-height: 40vh;
    overflow-y: auto;
  }
}

/* ── Sidebar ────────────────────────────────────────────── */

.app-sidebar {
  background: var(--app-surface);
  border-inline-end: 1px solid var(--app-border);
  padding: 1.25rem;
  overflow-y: auto;
}

.app-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: 1rem;
}

.app-sidebar__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--app-text);
}

.app-sidebar__add {
  background: var(--app-accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.app-sidebar__add:hover {
  background: var(--app-accent-hover);
}

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

.sidebar-form .auth-input {
  flex: 1;
  padding: 0.45rem 0.6rem;
  font-size: 0.85rem;
}

/* ── Case list ──────────────────────────────────────────── */

.case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-list__empty {
  font-size: 0.85rem;
  color: var(--app-text-muted);
  padding: 1rem 0;
}

.case-list__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-radius: var(--app-radius);
  cursor: pointer;
  transition: background 0.1s;
}

.case-list__item:hover {
  background: var(--app-surface-2);
}

.case-list__item--active {
  background: var(--app-surface-2);
  border: 1px solid var(--app-border);
}

.case-list__name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--app-text);
}

.case-list__count {
  font-size: 0.8rem;
  color: var(--app-text-muted);
}

/* ── Main panel ─────────────────────────────────────────── */

.app-main {
  padding: 2rem;
  overflow-y: auto;
}

.app-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 4rem 2rem;
  color: var(--app-text-muted);
  text-align: center;
}

/* ── Case detail ────────────────────────────────────────── */

.case-detail__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-block-end: 1.5rem;
}

.case-detail__name {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
  color: var(--app-text);
}

.case-detail__meta {
  font-size: 0.85rem;
  color: var(--app-text-muted);
}

/* ── Upload zone ────────────────────────────────────────── */

.upload-zone {
  border: 2px dashed var(--app-border);
  border-radius: var(--app-radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-block-end: 1.5rem;
}

.upload-zone:hover,
.upload-zone--active {
  border-color: var(--app-accent);
  background: rgb(88 166 255 / 0.04);
}

.upload-zone__label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--app-accent);
}

.upload-zone__hint {
  font-size: 0.8rem;
  color: var(--app-text-muted);
  margin: 0.5rem 0 0;
}

/* ── Upload progress ────────────────────────────────────── */

.upload-progress {
  margin-block-end: 1.5rem;
  font-size: 0.85rem;
  color: var(--app-text-muted);
}

.progress-bar {
  height: 4px;
  background: var(--app-surface-2);
  border-radius: 2px;
  margin-block-start: 0.5rem;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--app-accent);
  border-radius: 2px;
  transition: width 0.3s;
  width: 0;
}

/* ── File cards ─────────────────────────────────────────── */

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

.file-list__empty {
  font-size: 0.9rem;
  color: var(--app-text-muted);
  padding: 1rem 0;
}

.file-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
}

.file-card__info {
  flex: 1;
  min-width: 0;
}

.file-card__name {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--app-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-card__meta {
  font-size: 0.8rem;
  color: var(--app-text-muted);
}

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

.file-card__actions {
  flex-shrink: 0;
}

.file-card__run {
  background: transparent;
  border: 1px solid var(--app-border);
  color: var(--app-accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--app-radius);
  cursor: pointer;
  transition: border-color 0.15s;
}

.file-card__run:hover {
  border-color: var(--app-accent);
}

.file-card__run:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Pipeline badges ────────────────────────────────────── */

.pipeline-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pipeline-badge--pending {
  background: rgb(139 148 158 / 0.15);
  color: var(--app-text-muted);
}

.pipeline-badge--running {
  background: rgb(210 153 34 / 0.15);
  color: var(--app-warning);
}

.pipeline-badge--complete {
  background: rgb(63 185 80 / 0.15);
  color: var(--app-success);
}

.pipeline-badge--error {
  background: rgb(248 81 73 / 0.15);
  color: var(--app-error);
}

.stage-badges {
  display: flex;
  gap: 0.25rem;
}

.stage-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: var(--app-radius);
  text-transform: uppercase;
}

.stage-badge--pending   { color: var(--app-text-muted); background: rgb(139 148 158 / 0.1); }
.stage-badge--running   { color: var(--app-warning); background: rgb(210 153 34 / 0.1); }
.stage-badge--complete  { color: var(--app-success); background: rgb(63 185 80 / 0.1); }
.stage-badge--skipped   { color: var(--app-text-muted); background: rgb(139 148 158 / 0.08); }
.stage-badge--error     { color: var(--app-error); background: rgb(248 81 73 / 0.1); }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   ACCOUNT PAGE
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.account-section {
  max-width: 800px;
  margin-inline: auto;
  padding: 2rem 1rem;
}

.account-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 2rem;
  color: var(--app-text);
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.account-card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  padding: 1.5rem;
}

.account-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--app-text);
}

.account-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}

.account-dl dt {
  color: var(--app-text-muted);
  font-weight: 500;
}

.account-dl dd {
  color: var(--app-text);
  margin: 0;
}

.tier-badge {
  display: inline-block;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-block-end: 1rem;
  background: rgb(88 166 255 / 0.15);
  color: var(--app-accent);
}

.tier-badge[data-tier="professional"] {
  background: rgb(63 185 80 / 0.15);
  color: var(--app-success);
}

.tier-badge[data-tier="institutional"],
.tier-badge[data-tier="enterprise"] {
  background: rgb(210 153 34 / 0.15);
  color: var(--app-warning);
}

.account-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   RESPONSIVE
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

@media (max-width: 480px) {
  .auth-card {
    padding: 1.5rem 1.25rem;
  }

  .app-main {
    padding: 1rem;
  }

  .file-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .file-card__pipeline {
    order: 2;
  }

  .file-card__actions {
    order: 3;
    align-self: flex-end;
  }
}

/* ── Reduced motion ─────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Focus-visible (keyboard navigation) ────────────────── */

.auth-btn:focus-visible,
.auth-input:focus-visible,
.app-sidebar__add:focus-visible,
.case-list__item:focus-visible,
.file-card__run:focus-visible,
.file-card__toggle:focus-visible,
.result-tab:focus-visible,
.export-btn:focus-visible,
.upload-zone__label:focus-visible {
  outline: 2px solid var(--app-accent);
  outline-offset: 2px;
}

/* ── Loading spinner ────────────────────────────────────── */

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

.spinner {
  display: inline-block;
  inline-size: 1em;
  block-size: 1em;
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: 50%;
  animation: evident-spin 0.6s linear infinite;
  vertical-align: middle;
  margin-inline-end: 0.4em;
}

/* ── Pipeline running pulse ─────────────────────────────── */

@keyframes evident-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pipeline-badge--running {
  animation: evident-pulse 1.5s ease-in-out infinite;
}

.pipeline-badge--partial_error {
  background: rgb(210 153 34 / 0.15);
  color: var(--app-warning);
}

/* ── Toast notifications ────────────────────────────────── */

.toast-container {
  position: fixed;
  inset-block-start: 1rem;
  inset-inline-end: 1rem;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 0.75rem 1.25rem;
  border-radius: var(--app-radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  background: var(--app-surface-2);
  border: 1px solid var(--app-border);
  box-shadow: 0 4px 12px rgb(0 0 0 / 0.3);
  opacity: 0;
  transform: translateX(1rem);
  transition: opacity 0.25s, transform 0.25s;
  max-inline-size: 360px;
}

.toast.visible {
  opacity: 1;
  transform: translateX(0);
}

.toast--error {
  border-color: var(--app-error);
  background: rgb(248 81 73 / 0.12);
  color: var(--app-error);
}

.toast--success {
  border-color: var(--app-success);
  background: rgb(63 185 80 / 0.12);
  color: var(--app-success);
}

.toast--info {
  border-color: var(--app-accent);
  background: rgb(88 166 255 / 0.12);
  color: var(--app-accent);
}

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

.file-card-wrapper {
  margin-block-end: 0.75rem;
}

.file-card-wrapper > .file-card {
  border-radius: var(--app-radius);
}

.file-card-wrapper:has(.results-panel:not([hidden])) > .file-card {
  border-radius: var(--app-radius) var(--app-radius) 0 0;
}

.results-panel {
  background: var(--app-surface-2);
  border: 1px solid var(--app-border);
  border-top: none;
  border-radius: 0 0 var(--app-radius) var(--app-radius);
  padding: 1.25rem;
  margin-block-start: -1px;
}

.results-tabs {
  display: flex;
  gap: 0.25rem;
  border-block-end: 1px solid var(--app-border);
  margin-block-end: 1rem;
  padding-block-end: 0.5rem;
}

.result-tab {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--app-radius) var(--app-radius) 0 0;
  color: var(--app-text-muted);
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.3rem 1rem;
  text-transform: capitalize;
  transition: color 0.15s, border-color 0.15s;
}

.result-tab:hover {
  color: var(--app-text);
}

.result-tab.active {
  color: var(--app-accent);
  border-color: var(--app-border);
  border-block-end-color: var(--app-surface-2);
}

.result-tab--complete {
  color: var(--app-success);
}

.result-tab--error {
  color: var(--app-error);
}

.result-tab--skipped,
.result-tab--missing {
  color: var(--app-text-muted);
  opacity: 0.6;
}

.result-view {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--app-text);
}

.result-kv-table {
  inline-size: 100%;
  border-collapse: collapse;
}

.result-kv-table td {
  padding: 0.3rem 0.5rem;
  border-block-end: 1px solid var(--app-border);
  vertical-align: top;
}

.result-kv-table td:first-child {
  color: var(--app-text-muted);
  font-weight: 500;
  white-space: nowrap;
  inline-size: 10rem;
}

.result-hash {
  font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.8125rem;
  color: var(--app-success);
  word-break: break-all;
}

.result-transcript {
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  color: var(--app-text);
  font-size: 0.8125rem;
  line-height: 1.6;
  margin-block-start: 0.5rem;
  max-block-size: 16rem;
  overflow-y: auto;
  padding: 1rem;
  white-space: pre-wrap;
}

.result-ocr-table {
  max-block-size: 20rem;
  overflow: auto;
  margin-block-start: 0.5rem;
}

.result-ocr-table table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.result-ocr-table th {
  background: var(--app-bg);
  color: var(--app-text-muted);
  font-weight: 600;
  padding: 0.3rem 0.5rem;
  position: sticky;
  inset-block-start: 0;
  text-align: start;
}

.result-ocr-table td {
  padding: 0.3rem 0.5rem;
  border-block-end: 1px solid var(--app-border);
  vertical-align: top;
}

.result-error {
  background: rgb(248 81 73 / 0.08);
  border: 1px solid var(--app-error);
  border-radius: var(--app-radius);
  color: var(--app-error);
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
}

.result-skipped {
  color: var(--app-text-muted);
  font-style: italic;
}

/* ── Export button ──────────────────────────────────────── */

.export-btn {
  background: var(--app-accent);
  border: none;
  border-radius: var(--app-radius);
  color: #fff;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  margin-block-start: 1rem;
  padding: 0.5rem 1.25rem;
  transition: background 0.15s;
}

.export-btn:hover {
  background: var(--app-accent-hover);
}

.export-btn:disabled {
  cursor: wait;
  opacity: 0.6;
}

/* ── Upgrade banner ─────────────────────────────────────── */

.upgrade-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: rgb(88 166 255 / 8%);
  border: 1px solid var(--app-accent);
  border-radius: var(--app-radius-lg);
  padding: 1.25rem 1.5rem;
  margin-block-end: 1.5rem;
}

.upgrade-banner__body {
  flex: 1;
}

.upgrade-banner__body strong {
  display: block;
  font-size: 1rem;
  color: var(--app-accent);
  margin-block-end: 0.25rem;
}

.upgrade-banner__body p {
  font-size: 0.85rem;
  color: var(--app-text-muted);
  margin: 0;
  line-height: 1.5;
}

.upgrade-banner__actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── Batch actions bar ──────────────────────────────────── */

.batch-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  margin-block-end: 0.75rem;
}

@media (width <= 480px) {
  .upgrade-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.export-btn.locked {
  background: var(--app-text-muted);
  cursor: pointer;
  opacity: 0.5;
}

.export-btn.locked:hover {
  opacity: 0.7;
}

.result-tab--toggle {
  background: transparent;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  color: var(--app-accent);
  cursor: pointer;
  font-size: 0.75rem;
  margin-block-start: 0.25rem;
  padding: 0.25rem 0.5rem;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   TOOLS PAGES  (court formatter, etc.)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.tools-page {
  max-width: 56rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.tools-page__header {
  margin-block-end: 2rem;
}

.tools-page__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--app-text);
}

.tools-page__desc {
  color: var(--app-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Tier gate banner */
.tools-gate {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  padding: 1.5rem;
  margin-block-end: 2rem;
  color: var(--app-warning);
}

.tools-gate__text {
  margin: 0 0 0.5rem;
  color: var(--app-text);
}

.tools-gate__link {
  color: var(--app-accent);
  text-decoration: none;
  font-weight: 600;
}

.tools-gate__link:hover {
  color: var(--app-accent-hover);
}

/* Form layout */
.tools-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tools-fieldset {
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  padding: 1.25rem 1.5rem;
  margin: 0;
  background: var(--app-surface);
}

.tools-legend {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--app-accent);
  padding: 0 0.5rem;
}

.tools-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-block-start: 0.75rem;
}

@media (max-width: 600px) {
  .tools-row {
    grid-template-columns: 1fr;
  }
}

.tools-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-block-start: 0.75rem;
}

.tools-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--app-text-muted);
}

.tools-label--inline {
  display: inline;
  color: var(--app-text);
  cursor: pointer;
}

.tools-required {
  color: var(--app-error);
}

.tools-hint {
  font-size: 0.78rem;
  color: var(--app-text-muted);
  margin: 0.25rem 0 0;
}

.tools-hint-inline {
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--app-text-muted);
}

.tools-input,
.tools-select,
.tools-textarea {
  background: var(--app-surface-2);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  color: var(--app-text);
  font-family: var(--app-font);
  font-size: 0.88rem;
  padding: 0.6rem 0.75rem;
  transition: border-color 0.15s;
}

.tools-input:focus,
.tools-select:focus,
.tools-textarea:focus {
  outline: none;
  border-color: var(--app-accent);
  box-shadow: 0 0 0 2px rgb(88 166 255 / 15%);
}

.tools-textarea {
  resize: vertical;
  min-height: 10rem;
  font-family: 'Consolas', 'Monaco', monospace;
  line-height: 1.5;
}

.tools-file-input {
  font-size: 0.82rem;
  color: var(--app-text-muted);
}

.tools-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-start: 0.75rem;
}

.tools-checkbox {
  accent-color: var(--app-accent);
  width: 1rem;
  height: 1rem;
}

/* Actions */
.tools-actions {
  display: flex;
  justify-content: flex-end;
  padding-block-start: 0.5rem;
}

.tools-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--app-accent);
  color: #fff;
  border: none;
  border-radius: var(--app-radius);
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.tools-btn:hover:not(:disabled) {
  background: var(--app-accent-hover);
}

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

.file-card__toggle {
  background: transparent;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  color: var(--app-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  transition: color 0.15s, border-color 0.15s;
}

.file-card__toggle:hover {
  color: var(--app-accent);
  border-color: var(--app-accent);
}

.file-card__actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── Results panel — mobile ─────────────────────────────── */

@media (max-width: 768px) {
  .results-panel {
    padding: 0.75rem;
  }

  .results-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .result-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .result-kv-table td:first-child {
    inline-size: auto;
  }

  .result-ocr-table {
    max-block-size: 14rem;
  }

  .export-btn {
    inline-size: 100%;
  }
}

@media (max-width: 480px) {
  .file-card__actions {
    flex-direction: column;
    gap: 0.35rem;
  }
}

/* ── Phase 2B: Burden Gauge ────────────────────────────────── */

.burden-gauge {
  position: relative;
  height: 1.5rem;
  background: var(--border, #2a2a3e);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-block-end: 0.75rem;
}

.burden-gauge__fill {
  height: 100%;
  background: linear-gradient(90deg, #dc2626, #f59e0b, #16a34a);
  transition: width 0.6s;
}

.burden-gauge__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.burden-section {
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-block-end: 0.5rem;
  border-inline-start: 3px solid;
}

.burden-section--pass { border-color: #16a34a; background: rgba(22, 163, 74, 0.08); }
.burden-section--warn { border-color: #f59e0b; background: rgba(245, 158, 11, 0.08); }
.burden-section--fail { border-color: #dc2626; background: rgba(220, 38, 38, 0.08); }

.burden-section h4 { margin: 0 0 0.25rem; font-size: 0.9rem; }
.burden-section ul { margin: 0.25rem 0 0; padding-inline-start: 1.25rem; font-size: 0.8rem; }

/* ── Phase 2B: Citation Chips ──────────────────────────────── */

.citation-chip {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  margin: 0.15rem;
  border-radius: 0.25rem;
  background: var(--surface, #1e1e2f);
  border: 1px solid var(--border, #2a2a3e);
  font-size: 0.75rem;
  color: var(--text-muted, #aaa);
}

.citation-section { margin-block-start: 0.75rem; }
.citation-group-label { font-weight: 600; font-size: 0.8rem; margin-block: 0.3rem 0.15rem; }

/* ── Phase 2B: Contradiction Row ───────────────────────────── */

.contradiction-row {
  background: rgba(220, 38, 38, 0.06);
}

.comparison-summary {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-block-end: 0.75rem;
}

/* ── Phase 2B: Brady Flag ──────────────────────────────────── */

.brady-flag {
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid #dc2626;
  background: rgba(220, 38, 38, 0.06);
  margin-block: 0.5rem;
}

.brady-flag h4 { color: #dc2626; margin: 0 0 0.35rem; font-size: 0.9rem; }

/* ── Phase 2B: Confidence Badge ────────────────────────────── */

.confidence-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--surface, #1e1e2f);
  border: 1px solid var(--border, #2a2a3e);
  color: var(--text, #e0e0e0);
}

.confidence-badge--pass { border-color: #16a34a; color: #16a34a; }
.confidence-badge--fail { border-color: #dc2626; color: #dc2626; }

/* ── Phase 2B: Review Queue ────────────────────────────────── */

.review-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border, #2a2a3e);
  margin-block-end: 0.35rem;
  font-size: 0.8rem;
}

.review-item--critical { border-color: #dc2626; background: rgba(220, 38, 38, 0.06); }
.review-item--high { border-color: #f59e0b; background: rgba(245, 158, 11, 0.06); }

.review-actions {
  margin-inline-start: auto;
  display: flex;
  gap: 0.25rem;
}

.verdict-btn {
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border, #2a2a3e);
  border-radius: 0.25rem;
  background: transparent;
  cursor: pointer;
  font-size: 0.7rem;
  color: var(--text, #e0e0e0);
}

.verdict-btn--approve:hover { border-color: #16a34a; color: #16a34a; }
.verdict-btn--dismiss:hover { border-color: #888; color: #888; }

.pose-flags {
  margin-block-start: 0.5rem;
}

@media (prefers-reduced-motion: reduce) {
  .burden-gauge__fill { transition: none; }
}