/* UI appearance V1.0: Codex-inspired light workspace for Platform V2. */
:root {
  --ui-v1-ink: #1a1c1f;
  --ui-v1-muted: #73777d;
  --ui-v1-quiet: #9a9da2;
  --ui-v1-line: #e7e7e7;
  --ui-v1-line-strong: #d9d9d9;
  --ui-v1-sidebar: rgba(244, 244, 244, .90);
  --ui-v1-hover: rgba(0, 0, 0, .045);
  --ui-v1-selected: #e8e8e8;
  --ui-v1-accent: #339cff;
  --ui-v1-accent-text: #1672bd;
  --ui-v1-accent-soft: #edf7ff;
  --ui-v1-success: #1672bd;
  --ui-v1-success-soft: #edf7ff;
  --ui-v1-danger: #b84b43;
  --ui-v1-danger-soft: #fbeeed;
  --ui-v1-warning: #94620d;
  --ui-v1-warning-soft: #fff6e5;
  --ui-v1-sidebar-width: 286px;
  --ink: var(--ui-v1-ink);
  --muted: var(--ui-v1-muted);
  --line: var(--ui-v1-line);
  --primary: var(--ui-v1-ink);
  --primary-dark: #303236;
  --ok: var(--ui-v1-success);
  --danger: var(--ui-v1-danger);
  --warn: var(--ui-v1-warning);
  color: var(--ui-v1-ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: 0;
}

html, body { background: #fff; }
body { color: var(--ui-v1-ink); }
button, input, select, textarea { font-family: inherit; letter-spacing: 0; }
button, a { transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .1s ease; }
button:active, .primary:active, .secondary:active { transform: scale(.97); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(51, 156, 255, .30); outline-offset: 2px; }
.muted { color: var(--ui-v1-muted); }
.small { font-size: 12px; }

.brand { color: var(--ui-v1-ink); font-size: 16px; font-weight: 720; letter-spacing: 0; }
.topbar {
  position: fixed;
  z-index: 30;
  height: 54px;
  padding: 0 18px;
  gap: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, .055);
  background: rgba(255, 255, 255, .84);
  backdrop-filter: blur(20px) saturate(140%);
}
.topbar .brand { margin-right: 0; }
.topbar-title { font-size: 14px; font-weight: 590; }
.text-link { color: var(--ui-v1-accent-text); font-weight: 600; }
.ui-v1-global-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.ui-v1-nav-link {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 9px;
  color: var(--ui-v1-muted);
  font-size: 13px;
  font-weight: 610;
  text-decoration: none;
}
.ui-v1-nav-link:hover, .ui-v1-nav-link:focus-visible {
  background: #ededed;
  color: var(--ui-v1-ink);
}
.ui-v1-nav-link.active {
  background: #e5e5e5;
  color: var(--ui-v1-ink);
}
.ui-v1-nav-link:active { transform: scale(.96); }
.ui-v1-account {
  display: inline-block;
  min-width: 64px;
  overflow: hidden;
  font-size: 13px;
  line-height: 34px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.primary, .secondary {
  min-height: 36px;
  padding: 0 13px;
  border-radius: 9px;
  font-weight: 600;
  white-space: nowrap;
}
.primary { border-color: var(--ui-v1-ink); background: var(--ui-v1-ink); color: #fff; }
.primary:hover { background: #303236; }
.secondary { border-color: var(--ui-v1-line); background: #fff; color: var(--ui-v1-ink); }
.secondary:hover { background: #f7f7f7; border-color: var(--ui-v1-line-strong); }
.compact { min-height: 32px; padding: 0 10px; font-size: 12px; }
.icon-button { width: 36px; height: 36px; border-color: var(--ui-v1-line); border-radius: 9px; color: var(--ui-v1-ink); }
.icon-button:hover { background: #f6f6f6; }

.ui-v1-menu {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
}
.ui-v1-menu:hover { background: var(--ui-v1-hover); }
.ui-v1-menu-lines { display: grid; width: 17px; gap: 4px; }
.ui-v1-menu-lines i { display: block; height: 1.6px; border-radius: 2px; background: var(--ui-v1-ink); }
.ui-v1-scrim { display: none; }

/* Login and generic surfaces. */
.login-shell { background: #fff; }
.login-panel {
  padding: 30px;
  border: 1px solid var(--ui-v1-line);
  border-radius: 14px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, .06);
}
.login-panel h1 { font-size: 23px; letter-spacing: 0; }
.login-panel input, .form-grid input, .inline-form input, .inline-form select, .organization-picker select, .review-editor input, .review-editor select {
  border-color: var(--ui-v1-line-strong);
  border-radius: 8px;
}
.login-panel input:focus, .form-grid input:focus, .inline-form input:focus, .inline-form select:focus, .organization-picker select:focus, .review-editor input:focus, .review-editor select:focus { border-color: var(--ui-v1-accent); }
dialog { border-color: var(--ui-v1-line); border-radius: 16px; box-shadow: 0 24px 70px rgba(0, 0, 0, .18); }
dialog::backdrop { background: rgba(0, 0, 0, .28); backdrop-filter: blur(2px); }
.dialog-heading { padding: 22px 24px 16px; border-bottom: 1px solid var(--ui-v1-line); }
.dialog-actions { border-top-color: var(--ui-v1-line); }
.notice { border-left: 3px solid var(--ui-v1-accent); background: var(--ui-v1-accent-soft); }
.notice.error { border-color: var(--ui-v1-danger); background: var(--ui-v1-danger-soft); }

/* Task workspace. */
.app-shell { padding-top: 54px; min-height: 100vh; background: #fff; }
.app-shell .topbar #currentUser { margin-left: 0; }
.sidebar {
  top: 54px;
  width: var(--ui-v1-sidebar-width);
  padding: 10px;
  border-right-color: rgba(0, 0, 0, .055);
  background: var(--ui-v1-sidebar);
  backdrop-filter: blur(22px) saturate(140%);
}
.sidebar-heading { padding: 6px 8px 12px; background: transparent; }
.sidebar-heading h2 { color: var(--ui-v1-muted); font-size: 13px; font-weight: 450; }
.job-list { padding: 0; }
.job-row, .draft-row {
  display: block;
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
}
.job-row:hover, .draft-row:hover { background: var(--ui-v1-hover); }
.job-row.active { border-left-color: transparent; background: var(--ui-v1-selected); }
.job-row span, .draft-row span { color: var(--ui-v1-muted); font-size: 11px; }
.job-row strong, .draft-row strong { font-weight: 450; }
.draft-list { padding: 12px 0 0; border-top-color: rgba(0, 0, 0, .06); }
.draft-heading { color: var(--ui-v1-quiet); font-size: 12px; }
.draft-row { background: transparent; }
.sidebar-empty { padding: 8px 10px; }
.content { margin-left: var(--ui-v1-sidebar-width); padding: 34px clamp(22px, 4vw, 64px) 72px; background: #fff; }
.sidebar, .report-list-panel, .review-queue-panel,
.content, .report-canvas, .review-workspace {
  transition: margin-left .22s ease, transform .22s ease;
}
.ui-v1-sidebar-collapsed [data-ui-v1-drawer] { transform: translateX(-105%); }
.ui-v1-sidebar-collapsed .content,
.ui-v1-sidebar-collapsed .report-canvas,
.ui-v1-sidebar-collapsed .review-workspace { margin-left: 0; }
.content > * { width: min(1160px, 100%); margin-left: auto; margin-right: auto; }
.empty-state { min-height: 64vh; }
.empty-state h1 { font-size: 25px; letter-spacing: 0; }
.empty-state .task-empty-title { font-weight: 430; }
.empty-state > p { margin: 4px 0 0; }
.ui-v1-empty-action {
  display: flex;
  width: min(520px, 100%);
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding: 8px 9px 8px 18px;
  border: 1px solid var(--ui-v1-line);
  border-radius: 12px;
  background: #f7f7f7;
  color: var(--ui-v1-ink);
  box-shadow: 0 8px 26px rgba(0, 0, 0, .055);
  cursor: pointer;
  font-weight: 620;
}
.ui-v1-empty-action:hover { border-color: var(--ui-v1-line-strong); background: #f2f2f2; }
.ui-v1-empty-action-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 9px;
  background: var(--ui-v1-ink);
  color: #fff;
  font-size: 23px;
  font-weight: 350;
  line-height: 1;
}
.page-heading { margin-bottom: 24px; }
.page-heading h1 { font-size: 28px; font-weight: 680; letter-spacing: 0; }
.eyebrow { color: var(--ui-v1-accent-text); font-size: 12px; font-weight: 650; text-transform: none; }
.actions { gap: 8px; }
.stage-strip { overflow: hidden; border: 1px solid var(--ui-v1-line); border-radius: 12px; background: #fafafa; }
.stage { padding: 13px 14px; border-right-color: var(--ui-v1-line); }
.stage.done { border-top-color: var(--ui-v1-success); }
.stage.running, .stage.queued { border-top-color: var(--ui-v1-accent); }
.stage.failed { border-top-color: var(--ui-v1-danger); }
.metrics { gap: 0; overflow: hidden; border-color: var(--ui-v1-line); border-radius: 12px; background: #fff; }
.metric { padding: 15px; border-right: 1px solid var(--ui-v1-line); border-bottom: 1px solid var(--ui-v1-line); }
.metric:last-child { border-right: 0; }
.metric strong { font-size: 21px; }
.section-band { padding: 22px 0; border-top-color: var(--ui-v1-line); }
.section-title h2 { font-size: 16px; }
.data-table { overflow: hidden; border: 1px solid var(--ui-v1-line); border-radius: 12px; }
.data-table th { background: #fafafa; color: var(--ui-v1-muted); }
.data-table th, .data-table td { padding: 11px 13px; border-bottom-color: #ededed; }
.status.completed, .status.done, .status.correct { color: var(--ui-v1-success); }
.status.failed, .status.incorrect { color: var(--ui-v1-danger); }
.status.queued, .status.processing, .status.leased { color: var(--ui-v1-accent-text); }
.task-progress { max-width: 520px; margin-top: 13px; }
.task-progress-track { background: #ededed; }
.task-progress-track i { background: var(--ui-v1-accent); }

/* Upload and capture workspaces. */
.upload-dialog { border-radius: 16px; }
.upload-summary { padding: 16px 0 18px; }
.draft-badge { border-radius: 6px; background: var(--ui-v1-accent-soft); color: var(--ui-v1-accent-text) !important; }
.upload-section { border-top-color: var(--ui-v1-line); }
.standard-grid { gap: 14px; }
.upload-card { border-color: var(--ui-v1-line); border-radius: 10px; background: #fff; }
.upload-section-head > span { color: var(--ui-v1-accent-text); }
.paper-summary span { border-color: var(--ui-v1-line); background: #fafafa; color: var(--ui-v1-muted); border-radius: 6px; }
.upload-item-list { overflow: hidden; border-color: var(--ui-v1-line); border-radius: 10px; }
.upload-item { border-bottom-color: #ededed; }
.upload-state i { background: var(--ui-v1-accent); }
.upload-message.success { color: var(--ui-v1-success); }
.cross-device { border-color: var(--ui-v1-line); border-radius: 10px; background: #fafafa; }
.cross-device small { color: var(--ui-v1-accent-text); }
.camera-dialog { border-radius: 16px; }

/* Report reader and review workspace. */
.report-viewer-body, .review-body { background: #fff; }
.report-viewer-shell, .review-shell { padding-top: 54px; }
.report-viewer-topbar .topbar-title, .review-topbar .topbar-title { margin-right: auto; }
.report-list-panel, .review-queue-panel {
  top: 54px;
  width: var(--ui-v1-sidebar-width);
  padding: 10px;
  border-right-color: rgba(0, 0, 0, .055);
  background: var(--ui-v1-sidebar);
  backdrop-filter: blur(22px) saturate(140%);
}
.report-list-heading, .review-queue-heading { padding: 8px 8px 12px; border-bottom-color: transparent; }
.report-list-heading h1, .review-queue-heading h1 { font-size: 14px; }
.report-list, .review-queue { padding: 0; }
.report-row, .review-queue-row { min-height: 43px; padding: 9px 10px; border-radius: 8px; }
.report-row:hover, .review-queue-row:hover { background: var(--ui-v1-hover); }
.report-row.active, .review-queue-row.active { border-left-color: transparent; background: var(--ui-v1-selected); }
.report-canvas { margin-left: var(--ui-v1-sidebar-width); padding: 26px clamp(18px, 4vw, 54px); background: #fff; }
.report-frame-shell { border-color: var(--ui-v1-line); border-radius: 14px; box-shadow: 0 12px 40px rgba(0, 0, 0, .055); }
.review-workspace { margin-left: var(--ui-v1-sidebar-width); padding: 30px clamp(20px, 4vw, 58px) 58px; background: #fff; }
.review-detail { max-width: 1180px; }
.review-detail-heading h1 { font-size: 27px; letter-spacing: 0; }
.review-grid, .choice-review-grid { gap: 18px; }
.review-image-panel, .review-evidence-panel, .choice-review-form { border-color: var(--ui-v1-line); border-radius: 12px; box-shadow: none; }
.review-evidence-panel, .choice-review-form { background: #fff; }
.review-queue-row.edited { border-left-color: transparent; background: var(--ui-v1-warning-soft); }
.choice-review-form input { border-color: var(--ui-v1-line-strong); border-radius: 9px; }

/* Administration workspace. */
.admin-content { width: min(1200px, calc(100% - 44px)); margin: 0 auto; padding: 86px 0 70px; }
.admin-content .page-heading { padding-bottom: 22px; border-bottom: 1px solid var(--ui-v1-line); }
.admin-content .eyebrow { display: none; }
.admin-role-badge { border-color: var(--ui-v1-line); border-radius: 7px; background: #fafafa; color: var(--ui-v1-ink); }
.admin-grid { gap: 18px; }
.admin-panel { padding: 18px; border-color: var(--ui-v1-line); border-radius: 12px; background: #fff; }
.organization-toolbar { margin-top: 30px; padding: 20px 0 14px; border-top: 1px solid var(--ui-v1-line); }
.organization-toolbar h2 { font-size: 20px; }
.role-label { border-color: var(--ui-v1-line); border-radius: 5px; }
.role-label.system { border-color: var(--ui-v1-accent-soft); background: var(--ui-v1-accent-soft); color: var(--ui-v1-accent-text); }
.role-label.organization { background: #f3f3f3; color: #54575b; }
.selected-row td { background: #f3f3f3; }
.archive-list { border-top-color: var(--ui-v1-line); }
.archive-row { border-bottom-color: var(--ui-v1-line); }
.danger-action { color: var(--ui-v1-danger); border-color: #efd0cc; }
.danger-action:hover { background: var(--ui-v1-danger-soft); border-color: var(--ui-v1-danger); }

/* Operations cockpit. */
.control-room-body {
  --control-ink: var(--ui-v1-ink);
  --control-muted: var(--ui-v1-muted);
  --control-line: var(--ui-v1-line);
  --control-accent: var(--ui-v1-accent-text);
  --control-accent-soft: var(--ui-v1-accent-soft);
  background: #fff;
  color: var(--ui-v1-ink);
}
.control-topbar { min-height: 54px; border-bottom-color: rgba(0, 0, 0, .055); background: rgba(255, 255, 255, .84); }
.control-connection.live { color: var(--ui-v1-muted); }
.control-connection.live::before { background: var(--ui-v1-accent); box-shadow: 0 0 0 3px rgba(51, 156, 255, .12); }
.system-lamp.ok { background: var(--ui-v1-accent); box-shadow: 0 0 0 1px var(--ui-v1-accent), 0 0 16px rgba(51, 156, 255, .22); }
.control-room { width: min(1160px, calc(100% - 44px)); padding: 86px 0 60px; }
.control-status, .control-panel { border-color: var(--ui-v1-line); border-radius: 12px; box-shadow: none; }
.control-status { min-height: 100px; }
.system-state { border-right-color: var(--ui-v1-line); }
.control-kicker { color: var(--ui-v1-muted); letter-spacing: 0; }
.control-status .control-kicker, .control-panel-head .control-kicker { display: none; }
.control-metric:hover { background: #fafafa; }
.control-panel-head { border-bottom-color: var(--ui-v1-line); }
.control-count { border-radius: 7px; background: #f2f2f2; }
.pipeline-state.idle { background: #f2f2f2; color: var(--ui-v1-muted); }
.station-load, .job-progress { background: #ededed; }
.live-job { border-bottom-color: #ededed; }
.live-job:hover { background: #fafafa; }
.job-percent strong { color: var(--ui-v1-accent-text); }
.job-progress { background: #ededed; border-radius: 999px; }
.job-progress i { background: var(--ui-v1-accent); }
.control-alert-strip { border-color: #f0d0cc; border-radius: 10px; background: var(--ui-v1-danger-soft); }
.control-alert-strip button:hover { background: #f9e4e2; }
.control-drawer { border-left-color: var(--ui-v1-line); background: #fff; box-shadow: -12px 0 42px rgba(0, 0, 0, .10); }
.drawer-head { border-bottom-color: var(--ui-v1-line); }
.drawer-close { border-radius: 9px; }

@media (max-width: 1400px) {
  .control-topbar .control-freshness { display: none; }
}

@media (max-width: 820px) {
  .topbar { height: 58px; gap: 4px; padding: 0 8px; }
  .topbar .brand { font-size: 15px; }
  .topbar-title { display: none; }
  .topbar .muted, .topbar .org-switcher { display: none; }
  .ui-v1-global-nav { gap: 0; margin-left: auto; }
  .ui-v1-nav-link { min-height: 34px; padding: 0 8px; font-size: 12px; }
  .topbar .secondary.compact, .control-nav .compact-command { min-height: 34px; padding: 0 8px; font-size: 12px; }
  .control-connection, .control-freshness { display: none; }
  .ui-v1-drawer-open { overflow: hidden; }
  [data-ui-v1-drawer] {
    position: fixed !important;
    z-index: 50 !important;
    top: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: min(82vw, 326px) !important;
    max-height: none !important;
    padding: 10px !important;
    border-right: 1px solid var(--ui-v1-line) !important;
    border-bottom: 0 !important;
    background: #f7f7f7 !important;
    backdrop-filter: none !important;
    box-shadow: 16px 0 44px rgba(0, 0, 0, .12);
    transform: translateX(-104%);
    transition: transform .28s cubic-bezier(.2, .72, .24, 1);
    will-change: transform;
  }
  .ui-v1-drawer-open [data-ui-v1-drawer] { transform: translateX(0); }
  .ui-v1-scrim {
    position: fixed;
    z-index: 45;
    inset: 0;
    display: block;
    border: 0;
    background: rgba(0, 0, 0, .23);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease;
  }
  .ui-v1-drawer-open .ui-v1-scrim { opacity: 1; pointer-events: auto; }
  .app-shell, .report-viewer-shell, .review-shell { padding-top: 58px; }
  .app-shell .topbar #currentUser { margin-left: 0; }
  .sidebar-heading, .report-list-heading, .review-queue-heading { padding-top: 8px; }
  .sidebar-heading { padding: 14px 10px 12px; }
  .sidebar-heading h2 { font-size: 15px; line-height: 1.4; }
  .job-list, .draft-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .job-row, .draft-row {
    min-height: 44px;
    padding: 10px 12px;
    border-radius: 9px;
    font-size: 15px;
    line-height: 1.4;
  }
  .job-row strong, .draft-row strong { font-weight: 450; }
  .job-row span, .draft-row span { display: none; }
  .content, .report-canvas, .review-workspace { margin-left: 0; padding: 24px 14px 70px; }
  .content > * { width: 100%; }
  .page-heading { display: block; }
  .page-heading h1, .review-detail-heading h1 { font-size: 24px; }
  .actions { margin-top: 14px; flex-wrap: wrap; }
  .stage-strip { overflow-x: auto; grid-template-columns: repeat(5, 112px); scrollbar-width: none; }
  .stage-strip::-webkit-scrollbar { display: none; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2n) { border-right: 0; }
  .data-table { display: block; overflow: auto; }
  .upload-dialog { border-radius: 0; }
  .review-grid, .choice-review-grid { grid-template-columns: 1fr; }
  .review-image-panel { min-height: 260px; }
  .review-detail-heading { display: block; }
  .review-nav { margin-top: 12px; }
  .admin-content { width: auto; padding: 78px 14px 54px; }
  .admin-grid { grid-template-columns: 1fr; }
  #platformAdminsTable, #organizationsTable, #membersTable, #assetsTable {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .admin-content .data-table { display: table; min-width: 620px; }
  #assetsTable .data-table { min-width: 760px; }
  .admin-content .data-table button, .admin-content .role-label { white-space: nowrap; }
  .control-room { width: auto; padding: 76px 14px 46px; }
  .control-status, .control-main-grid { grid-template-columns: 1fr; }
  .system-state { border-right: 0; border-bottom: 1px solid var(--ui-v1-line); }
  .control-metrics { grid-template-columns: repeat(2, 1fr); }
  .control-metric:nth-child(2n) { border-right: 0; }
  .control-metric:nth-child(n+3) { border-top: 1px solid var(--ui-v1-line); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (prefers-reduced-transparency: reduce) {
  .topbar, .sidebar, .report-list-panel, .review-queue-panel { background: #fff; backdrop-filter: none; }
}

@media (prefers-contrast: more) {
  :root { --ui-v1-line: #bcbcbc; --ui-v1-line-strong: #999; }
  .data-table, .student-panel, .control-panel, .control-status, .admin-panel { border-color: var(--ui-v1-line-strong); }
}