:root {
  --bg: #0f1115;
  --bg-dim: #1a1d24;
  --panel: #171a21;
  --panel-hover: #1e222b;
  --panel-border: #262a34;
  --text: #e6e8ec;
  --text-dim: #9aa1ad;
  --accent: #5b8cff;
  --accent-dim: #2e3d66;
  --accent-text: #ffffff;
  --ok: #3ecf8e;
  --bad: #ef5a6f;
  --warn: #e0a63e;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --input-bg: #1a1d24;
  --input-border: #333945;
  --code-bg: #1e222b;
  --table-stripe: rgba(255,255,255,0.02);
}

/* === Light Theme === */
[data-theme="light"] {
  --bg: #f5f6f8;
  --bg-dim: #ebedf0;
  --panel: #ffffff;
  --panel-hover: #f0f2f5;
  --panel-border: #d8dbe0;
  --text: #1a1d24;
  --text-dim: #5f6672;
  --accent: #2563eb;
  --accent-dim: #dbeafe;
  --accent-text: #ffffff;
  --ok: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --shadow: 0 1px 4px rgba(0,0,0,0.08);
  --input-bg: #ffffff;
  --input-border: #c5c9d0;
  --code-bg: #ebedf0;
  --table-stripe: rgba(0,0,0,0.02);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--panel-border);
  flex-wrap: wrap;
}

.brand {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 14px;
}

.nav a:hover { background: var(--accent-dim); color: var(--text); }
.nav a.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }

.role-picker { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); }
.role-picker select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 4px 8px;
}

.content { flex: 1; padding: 32px 24px; max-width: 900px; width: 100%; margin: 0 auto; }

h1 { font-size: 22px; margin: 0 0 4px; }
.subtitle { color: var(--text-dim); margin: 0 0 24px; font-size: 14px; }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }

input[type="text"], textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}

textarea { min-height: 90px; }

.field { margin-bottom: 16px; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

button:hover { opacity: 0.9; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: var(--accent-dim); color: var(--text); }
button.compact { padding: 6px 10px; font-size: 12px; }

button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.results { margin-top: 8px; }

.stage-card {
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}

.stage-card h3 {
  margin: 0 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.stage-card pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}

.error-box {
  background: rgba(239, 90, 111, 0.1);
  border: 1px solid var(--bad);
  color: var(--bad);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
}

.loading { color: var(--text-dim); font-size: 14px; padding: 8px 0; }

.card-link { text-decoration: none; color: inherit; display: block; transition: border-color 0.15s; }
.card-link:hover { border-color: var(--accent); }

.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.result-grid .kv { background: var(--bg); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 10px 12px; }
.result-grid .kv .k { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }
.result-grid .kv .v { font-size: 14px; margin-top: 4px; }

.transcript { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; max-height: 55vh; overflow-y: auto; }
.msg { padding: 10px 14px; border-radius: var(--radius); font-size: 14px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.msg.user { background: var(--accent-dim); align-self: flex-end; max-width: 80%; }
.msg.assistant { background: var(--panel); border: 1px solid var(--panel-border); align-self: flex-start; max-width: 80%; }

.input-row { display: flex; gap: 10px; }
.input-row input { flex: 1; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.error { background: rgba(239, 90, 111, 0.15); color: var(--bad); }
.badge.warning { background: rgba(224, 166, 62, 0.15); color: var(--warn); }
.badge.success, .badge.ok { background: rgba(74, 194, 133, 0.15); color: var(--ok); }
.badge.info { background: rgba(96, 165, 250, 0.15); color: #8ab4f8; }
.badge.neutral { background: var(--accent-dim); color: var(--text-dim); }

/* Download buttons (Part Generator, exports) ----------------------------- */
.download-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius);
  background: var(--accent); color: #fff; font-size: 13px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent;
}
.download-link::before { content: "\2193"; font-weight: 700; }
.download-link:hover { opacity: 0.9; }
.download-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.footer {
  padding: 12px 24px;
  border-top: 1px solid var(--panel-border);
  color: var(--text-dim);
  font-size: 12px;
  display: flex;
  gap: 8px;
}

.footer a { color: var(--text-dim); }
.footer .sep { opacity: 0.5; }
.footer .status-ok { color: var(--ok); }
.footer .status-bad { color: var(--bad); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--panel-border); }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.hint { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

/* Projects file browser + EDA viewer ------------------------------------- */

body[data-page="projects"] .content { max-width: 1400px; }

.table-scroll {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.table-scroll table { min-width: 920px; }
.table-scroll th:first-child,
.table-scroll td:first-child { padding-left: 14px; }
.table-scroll th:last-child,
.table-scroll td:last-child { padding-right: 14px; }
.table-scroll tbody tr:last-child td { border-bottom: 0; }
.file-name-cell { max-width: 260px; }
.file-summary { min-width: 220px; max-width: 420px; word-break: break-word; }
.nowrap { white-space: nowrap; }

.file-name-button {
  max-width: 100%;
  padding: 2px 0;
  overflow: hidden;
  color: var(--accent);
  background: transparent;
  font: inherit;
  font-weight: 600;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-name-button:hover { text-decoration: underline; opacity: 1; }
.file-actions { display: flex; gap: 6px; white-space: nowrap; }

.viewer-dialog {
  width: min(96vw, 1500px);
  height: min(92vh, 960px);
  max-width: none;
  max-height: none;
  padding: 0;
  overflow: hidden;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.65);
}

.viewer-dialog::backdrop { background: rgba(3, 5, 9, 0.82); }

.viewer-shell {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  height: 100%;
  min-height: 0;
}

.viewer-header {
  grid-row: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--panel-border);
}

.viewer-heading { min-width: 0; }
.viewer-heading h2 {
  margin: 0;
  overflow: hidden;
  font-size: 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-meta { margin: 4px 0 0; color: var(--text-dim); font-size: 12px; }

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 32px;
  padding: 4px 9px;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--panel-border);
  font-size: 20px;
  line-height: 1;
}

.icon-button:hover { background: var(--accent-dim); opacity: 1; }
.icon-button.compact { min-width: 30px; min-height: 28px; padding: 3px 8px; font-size: 17px; }

.viewer-tabs {
  grid-row: 2;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--panel-border);
}

.viewer-tab {
  padding: 7px 14px;
  color: var(--text-dim);
  background: transparent;
}

.viewer-tab:hover { color: var(--text); background: var(--accent-dim); opacity: 1; }
.viewer-tab.active { color: var(--accent); background: var(--accent-dim); }
.viewer-tab-spacer { flex: 1; }

.viewer-notice {
  grid-row: 3;
  margin: 10px 14px 0;
  padding: 9px 12px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font-size: 13px;
}

.viewer-notice.warning { color: var(--warn); border-color: var(--warn); }
.viewer-notice.error { color: var(--bad); border-color: var(--bad); }

.viewer-main {
  grid-row: 4;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.viewer-layer-panel {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  width: 260px;
  min-height: 0;
  padding: 12px;
  background: var(--bg);
  border-right: 1px solid var(--panel-border);
}

.viewer-layer-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
}

.text-button {
  padding: 3px 5px;
  color: var(--accent);
  background: transparent;
  font-size: 11px;
  font-weight: 600;
}

.text-button:hover { text-decoration: underline; opacity: 1; }

.viewer-layer-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 3px;
  min-height: 0;
  overflow: auto;
}

.layer-option {
  display: grid;
  grid-template-columns: auto 10px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 7px 6px;
  color: var(--text);
  border-radius: 5px;
  cursor: pointer;
}

.layer-option:hover { background: var(--panel); }
.layer-swatch { width: 9px; height: 9px; border-radius: 50%; }
.layer-name { overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }

.viewer-panel {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 12px 14px 10px;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 34px;
  margin-bottom: 10px;
}

.viewer-control-group { display: flex; align-items: center; gap: 6px; }
.viewer-control-group label { display: inline; margin: 0 2px 0 0; white-space: nowrap; }
.viewer-control-group select {
  max-width: 190px;
  padding: 5px 8px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  font-size: 12px;
}

.zoom-value { width: 48px; color: var(--text-dim); font-size: 12px; text-align: center; }
.page-controls { color: var(--text-dim); font-size: 12px; white-space: nowrap; }

.viewer-loading {
  padding: 7px 10px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius) var(--radius) 0 0;
  font-size: 12px;
}

.viewer-viewport {
  position: relative;
  flex: 1;
  min-height: 300px;
  overflow: hidden;
  background-color: #0a0c10;
  background-image:
    linear-gradient(45deg, #12151b 25%, transparent 25%),
    linear-gradient(-45deg, #12151b 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #12151b 75%),
    linear-gradient(-45deg, transparent 75%, #12151b 75%);
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  cursor: grab;
  touch-action: none;
}

.viewer-viewport.panning { cursor: grabbing; }
.viewer-stage {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.viewer-stage img {
  display: block;
  max-width: none;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.viewer-help { margin: 7px 0 0; color: var(--text-dim); font-size: 11px; }

.source-panel {
  grid-column: 1 / -1;
  gap: 0;
}

.source-panel pre {
  flex: 1;
  min-height: 0;
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  tab-size: 2;
  white-space: pre;
}

@media (max-width: 800px) {
  .content { padding: 24px 14px; }
  .viewer-dialog {
    width: 100vw;
    height: 100dvh;
    border: 0;
    border-radius: 0;
  }

  .viewer-main {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
  }

  .viewer-layer-panel {
    grid-column: 1;
    grid-row: 1;
    width: auto;
    max-height: 150px;
    border-right: 0;
    border-bottom: 1px solid var(--panel-border);
  }

  .viewer-panel { grid-column: 1; grid-row: 2; }
  .source-panel { grid-row: 1 / -1; }
  .viewer-toolbar { align-items: flex-start; flex-wrap: wrap; }
  .viewer-control-group { flex-wrap: wrap; }
  .viewer-help { display: none; }
  .viewer-viewport { min-height: 220px; }
}

/* Application shell ----------------------------------------------------- */

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 1000;
  padding: 9px 12px;
  color: #fff;
  background: var(--accent);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(calc(-100% - 16px));
  transition: transform 0.12s ease-out;
}

.skip-link:focus { transform: translateY(0); }

.app-shell-header {
  position: relative;
  z-index: 20;
  flex-wrap: nowrap;
  gap: 16px;
  min-height: 64px;
}

.shell-brand-row {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.shell-nav {
  align-items: center;
  min-width: 0;
  gap: 2px;
}

.shell-nav > a,
.manual-tools > summary { white-space: nowrap; }

.shell-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-dim);
  font-weight: 600;
}

.shell-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 36px;
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--panel-border);
}

.shell-nav-toggle:hover { background: var(--accent-dim); opacity: 1; }

.shell-nav-toggle span,
.shell-nav-toggle span::before,
.shell-nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  content: "";
}

.shell-nav-toggle span { position: relative; }
.shell-nav-toggle span::before { position: absolute; top: -6px; left: 0; }
.shell-nav-toggle span::after { position: absolute; top: 6px; left: 0; }

.shell-controls {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
}

.shell-project-picker select,
.model-picker select,
.role-picker select {
  min-height: 32px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font-size: 12px;
}

.shell-project-picker select {
  width: clamp(155px, 16vw, 220px);
  padding: 5px 28px 5px 9px;
  text-overflow: ellipsis;
}

.shell-project-picker[aria-busy="true"] select { color: var(--text-dim); }
.role-picker { gap: 6px; white-space: nowrap; }
.role-picker label { margin: 0; }
.role-picker select { max-width: 145px; }

.model-picker { display: flex; align-items: center; gap: 6px; white-space: nowrap; font-size: 13px; color: var(--text-dim); }
.model-picker label { margin: 0; }
.model-picker select { width: clamp(150px, 15vw, 210px); padding: 5px 28px 5px 9px; text-overflow: ellipsis; }
.model-picker[aria-busy="true"] select { color: var(--text-dim); }

.manual-tools { position: relative; }

.manual-tools > summary {
  padding: 6px 24px 6px 10px;
  color: var(--text-dim);
  border-radius: var(--radius);
  font-size: 14px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.manual-tools > summary::-webkit-details-marker { display: none; }

.manual-tools > summary::after {
  position: absolute;
  top: 12px;
  right: 9px;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  content: "";
  transform: rotate(45deg);
  transition: transform 0.12s ease-out;
}

.manual-tools[open] > summary::after { transform: translateY(3px) rotate(225deg); }
.manual-tools > summary:hover,
.manual-tools[open] > summary { color: var(--text); background: var(--accent-dim); }
.manual-tools.contains-current > summary { color: var(--accent); font-weight: 600; }

.manual-tools-menu {
  position: absolute;
  top: calc(100% + 7px);
  right: 0;
  z-index: 30;
  min-width: 210px;
  margin: 0;
  padding: 6px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  list-style: none;
}

.manual-tools-menu a {
  display: block;
  width: 100%;
  padding: 8px 10px;
}

.shell-nav a:focus-visible,
.manual-tools > summary:focus-visible,
.skip-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 960px) {
  .app-shell-header { flex-wrap: wrap; }
  .shell-brand-row { flex: 1 1 auto; }
  .shell-enhanced .shell-nav-toggle { display: inline-flex; }

  .shell-nav {
    order: 3;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 10px;
    border-top: 1px solid var(--panel-border);
  }

  .shell-enhanced .app-shell-header .shell-nav { display: none; }
  .shell-enhanced .app-shell-header.nav-open .shell-nav { display: flex; }

  .shell-nav > a,
  .manual-tools > summary { width: 100%; padding: 9px 11px; }

  .manual-tools > summary::after { top: 14px; right: 14px; }

  .manual-tools-menu {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px;
    margin-top: 3px;
    box-shadow: none;
  }
}

@media (max-width: 640px) {
  .app-shell-header { gap: 10px; padding: 10px 14px; }
  .shell-brand-row { flex: 0 0 100%; }
  .shell-nav { order: 2; }

  .shell-controls {
    order: 3;
    flex: 0 0 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .shell-project-picker { flex: 1; min-width: 0; }
  .shell-project-picker select { width: 100%; }
  .role-picker label { display: none; }
  .role-picker select { max-width: 118px; }
  .manual-tools-menu { grid-template-columns: minmax(0, 1fr); }
  .footer { padding: 12px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .skip-link,
  .manual-tools > summary::after { transition: none; }
}

/* Ordered project workspace -------------------------------------------- */

.workspace-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.workspace-page-header > div { min-width: 0; }
.workspace-page-header .subtitle { max-width: 760px; margin-bottom: 0; }

.workspace-eyebrow,
.workspace-section-step {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.secondary-link {
  flex: 0 0 auto;
  padding: 8px 11px;
  color: var(--text);
  background: var(--accent-dim);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.secondary-link:hover { color: #fff; }
.secondary-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.workspace-stepper {
  position: sticky;
  top: 10px;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 20px;
  padding: 7px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
}

.workspace-step {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  padding: 9px 8px;
  color: var(--text-dim);
  background: transparent;
  font-size: 13px;
  font-weight: 600;
}

.workspace-step:hover { color: var(--text); background: var(--accent-dim); opacity: 1; }
.workspace-step.active,
.workspace-step[aria-current="step"] { color: var(--accent); background: var(--accent-dim); }

.workspace-step-number {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: inherit;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 11px;
}

.workspace-step[data-status="complete"] .workspace-step-number {
  color: #08140f;
  background: var(--ok);
  border-color: var(--ok);
}

.workspace-step[data-status="blocked"] .workspace-step-number {
  color: var(--bad);
  border-color: var(--bad);
}

.workspace-sequence { display: grid; gap: 20px; }

.workspace-section {
  scroll-margin-top: 92px;
  min-width: 0;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

.workspace-section:target,
.workspace-section.is-active { border-color: color-mix(in srgb, var(--accent) 55%, var(--panel-border)); }

.workspace-section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--panel-border);
}

.workspace-section-heading > div { min-width: 0; }
.workspace-section-heading h2 { margin: 0; font-size: 18px; }
.workspace-section-heading p:not(.workspace-section-step) {
  max-width: 740px;
  margin: 5px 0 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.45;
}

.workspace-overview-grid,
.source-method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.project-identity-card,
.source-method-card,
.overview-summary {
  min-width: 0;
  padding: 17px;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.project-identity-card .field,
.source-method-card .field:last-of-type { margin-bottom: 14px; }
.project-identity-card .field { margin-bottom: 0; }
.source-method-card h3 { margin: 0 0 15px; font-size: 15px; }

.workspace-section input[type="text"],
.workspace-section input[type="search"],
.workspace-section select {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 13px;
}

.project-identity-card input[type="text"],
.source-method-card input[type="text"] { background: var(--panel); }

.workspace-section input[type="file"] {
  display: block;
  width: 100%;
  padding: 9px;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius);
  font-size: 12px;
}

.workspace-section input[type="file"]::file-selector-button {
  margin-right: 10px;
  padding: 7px 10px;
  color: var(--text);
  background: var(--accent-dim);
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.workspace-section select { appearance: auto; }
.workspace-section input::placeholder { color: #6f7785; }
.optional-label { color: var(--text-dim); font-size: 11px; font-weight: 400; }
.source-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.workspace-metrics,
.overview-metrics,
.import-report-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 9px;
}

.metric-card,
.workspace-metric {
  min-width: 0;
  padding: 11px 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 7px;
}

.metric-card .metric-label,
.workspace-metric .metric-label,
.metric-card dt,
.workspace-metric dt {
  display: block;
  margin: 0 0 4px;
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.metric-card .metric-value,
.workspace-metric .metric-value,
.metric-card dd,
.workspace-metric dd { margin: 0; overflow-wrap: anywhere; font-size: 15px; font-weight: 650; }

.workspace-danger-zone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 16px;
  padding: 13px 15px;
  background: rgba(239, 90, 111, 0.05);
  border: 1px solid rgba(239, 90, 111, 0.35);
  border-radius: var(--radius);
}

.workspace-danger-zone strong { color: var(--bad); font-size: 13px; }
.workspace-danger-zone p { margin: 3px 0 0; color: var(--text-dim); font-size: 12px; }

button.danger-button {
  flex: 0 0 auto;
  color: #fff;
  background: #a82f42;
}

button.danger-button:hover { background: #bd354a; opacity: 1; }

.workspace-feedback:empty { display: none; }
.workspace-feedback { margin-top: 15px; }
.workspace-feedback > .loading,
.workspace-feedback > .error-box,
.workspace-feedback > .import-report { margin: 0; }

.workspace-message {
  padding: 10px 12px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font-size: 13px;
}

.workspace-message.success,
.import-report.success { color: var(--ok); border-color: rgba(62, 207, 142, 0.45); }
.workspace-message.warning,
.import-report.warning { color: var(--warn); border-color: rgba(224, 166, 62, 0.5); }
.workspace-message.error,
.import-report.error { color: var(--bad); border-color: rgba(239, 90, 111, 0.55); }

.workspace-metric small {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--text-dim);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-overview-note { margin-bottom: 0; }

.workspace-feedback[data-tone="success"],
.workspace-feedback.success {
  padding: 11px 13px;
  color: var(--ok);
  background: rgba(62, 207, 142, 0.08);
  border: 1px solid rgba(62, 207, 142, 0.4);
  border-radius: var(--radius);
  font-size: 13px;
}

.file-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(3, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.file-toolbar .field { margin: 0; }
.file-count {
  flex: 0 0 auto;
  padding: 5px 9px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

.files-list { display: grid; gap: 12px; min-width: 0; }

.file-group {
  min-width: 0;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.file-group-heading,
.file-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 13px;
  border-bottom: 1px solid var(--panel-border);
}

.file-group-heading h3,
.file-group-header h3 { margin: 0; font-size: 13px; }
.file-group-count { color: var(--text-dim); font-size: 11px; white-space: nowrap; }
.file-group-list { display: grid; }

.file-row,
.file-item {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) minmax(180px, 2fr) auto;
  align-items: center;
  gap: 14px;
  min-width: 0;
  padding: 11px 13px;
  border-bottom: 1px solid var(--panel-border);
}

.file-row:last-child,
.file-item:last-child { border-bottom: 0; }
.file-row:hover,
.file-item:hover { background: rgba(91, 140, 255, 0.045); }
.file-row-main,
.file-item-main { min-width: 0; }
.file-row-name,
.file-item-name { overflow: hidden; font-size: 13px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.file-row-meta,
.file-item-meta,
.file-row-summary,
.file-item-summary { min-width: 0; color: var(--text-dim); font-size: 11px; overflow-wrap: anywhere; }

.file-row-actions,
.file-item-actions { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 130px;
  padding: 24px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius);
  text-align: center;
}

.empty-state.compact { min-height: 88px; padding: 16px; }
.overview-summary > .empty-state { height: 100%; border: 0; }
.empty-state strong { color: var(--text); font-size: 13px; }
.empty-state span { max-width: 520px; font-size: 12px; line-height: 1.45; }

.import-report,
.result-panel,
.analysis-result-panel {
  padding: 15px;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.import-report-header,
.result-panel-header,
.analysis-result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.import-report-header h3,
.result-panel-header h3,
.analysis-result-header h3 { margin: 0; font-size: 14px; }
.import-report-summary,
.result-panel-summary { margin: 4px 0 0; color: var(--text-dim); font-size: 12px; }
.import-report-files { max-height: 250px; margin-top: 12px; overflow: auto; }

.readiness-summary {
  min-width: 0;
  padding: 14px;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.readiness-summary[aria-busy="true"] { color: var(--text-dim); }
.readiness-summary > .empty-state { min-height: 76px; border: 0; }

.readiness-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 9px;
}

.readiness-metric {
  min-width: 0;
  padding: 11px 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 7px;
}

.readiness-metric.is-ready,
.readiness-metric.is-available { border-color: rgba(62, 207, 142, 0.45); }
.readiness-metric.is-warning { border-color: rgba(224, 166, 62, 0.5); }
.readiness-metric.is-blocked { border-color: rgba(239, 90, 111, 0.5); }

.readiness-metric-label {
  display: block;
  margin-bottom: 4px;
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.readiness-metric-value { display: block; overflow-wrap: anywhere; font-size: 15px; font-weight: 650; }
.readiness-note { margin: 11px 0 0; color: var(--text-dim); font-size: 12px; line-height: 1.45; }

.analysis-workflow-picker {
  min-inline-size: 0;
  margin: 18px 0 0;
  padding: 0;
  border: 0;
}

.analysis-workflow-picker > legend {
  margin: 0 0 4px;
  padding: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
}

.analysis-workflow-picker > .hint { margin: 0 0 11px; }

.analysis-workflows {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 11px;
  min-width: 0;
}

.analysis-workflows > .empty-state { grid-column: 1 / -1; min-height: 88px; }

.analysis-workflow-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: start;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 14px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}

.analysis-workflow-card:hover,
.analysis-workflow-card.is-available:hover { border-color: rgba(91, 140, 255, 0.75); }

.analysis-workflow-card:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.analysis-workflow-card input[type="radio"] {
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.analysis-workflow-card:has(input[type="radio"]:checked),
.analysis-workflow-card.is-selected {
  background: rgba(91, 140, 255, 0.1);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(91, 140, 255, 0.32);
}

.analysis-workflow-card.is-available { border-color: rgba(62, 207, 142, 0.38); }
.analysis-workflow-card.is-recommended { border-color: rgba(91, 140, 255, 0.8); }
.analysis-workflow-card.is-blocked,
.analysis-workflow-card:has(input[type="radio"]:disabled) {
  color: var(--text-dim);
  background: rgba(239, 90, 111, 0.035);
  border-color: rgba(239, 90, 111, 0.38);
  cursor: not-allowed;
}

.analysis-workflow-card.is-blocked:hover,
.analysis-workflow-card:has(input[type="radio"]:disabled):hover { border-color: rgba(239, 90, 111, 0.38); }

.analysis-workflow-content { min-width: 0; }
.analysis-workflow-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.analysis-workflow-title { margin: 0; overflow-wrap: anywhere; font-size: 13px; font-weight: 650; }
.analysis-workflow-description { margin: 5px 0 0; color: var(--text-dim); font-size: 12px; line-height: 1.45; }

.analysis-workflow-badge {
  flex: 0 0 auto;
  padding: 2px 7px;
  color: var(--accent);
  background: rgba(91, 140, 255, 0.13);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.analysis-workflow-card.is-blocked .analysis-workflow-badge {
  color: var(--bad);
  background: rgba(239, 90, 111, 0.12);
}

.analysis-prerequisites {
  grid-column: 1 / -1;
  margin: 9px 0 0 26px;
  padding: 0;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.45;
}

.analysis-prerequisites li + li { margin-top: 3px; }
.analysis-prerequisites .is-met { color: var(--ok); }
.analysis-prerequisites .is-missing { color: var(--bad); }

.analysis-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-border);
}

.analysis-action-row .hint { margin: 0; }
.analysis-action-row button { flex: 0 0 auto; }
.analysis-action-row button:disabled { color: rgba(255, 255, 255, 0.72); background: var(--accent-dim); }

.targeted-tools {
  min-width: 0;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--panel-border);
}

.targeted-tools-heading { max-width: 760px; margin-bottom: 14px; }
.targeted-tools-kicker {
  margin: 0 0 4px;
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.targeted-tools-heading h3 { margin: 0; font-size: 15px; }
.targeted-tools-heading > p:last-child {
  margin: 5px 0 0;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.5;
}

.targeted-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.targeted-tool-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 15px;
  background: color-mix(in srgb, var(--bg) 82%, var(--panel));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}

.targeted-tool-card:focus-within { border-color: rgba(91, 140, 255, 0.58); }
.targeted-tool-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.targeted-tool-card-heading h4 { margin: 0; overflow-wrap: anywhere; font-size: 14px; }
.targeted-tool-badge {
  flex: 0 0 auto;
  padding: 2px 7px;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.targeted-tool-description {
  min-height: 36px;
  margin: 6px 0 14px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.5;
}
.targeted-tool-card .field { margin-bottom: 12px; }
.targeted-tool-card select:disabled {
  color: color-mix(in srgb, var(--text-dim) 75%, transparent);
  background: color-mix(in srgb, var(--bg) 75%, var(--panel));
  cursor: not-allowed;
}
.targeted-tool-detail { min-width: 0; margin: 1px 0 12px; }
.targeted-tool-detail > .empty-state,
.targeted-tool-feedback > .empty-state { min-height: 74px; padding: 12px; }
.targeted-tool-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 2px;
}
.targeted-tool-actions button { flex: 0 0 auto; }
.targeted-tool-actions button:disabled { color: var(--text-dim); background: var(--accent-dim); }
.targeted-tool-feedback { min-width: 0; margin-top: 12px; }
.targeted-tool-feedback:empty { display: none; }
.targeted-tool-feedback > .loading,
.targeted-tool-feedback > .error-box,
.targeted-tool-feedback > .result-panel,
.targeted-tool-feedback > .workspace-message { margin: 0; }

.results-workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.85fr);
  align-items: start;
  gap: 16px;
  min-width: 0;
}

.result-detail-panel,
.analysis-history-panel {
  min-width: 0;
  padding: 16px;
  background: color-mix(in srgb, var(--bg) 82%, var(--panel));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.results-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 13px;
}

.results-panel-heading > div { min-width: 0; }
.results-panel-kicker {
  margin: 0 0 4px;
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.results-panel-heading h3 { margin: 0; font-size: 15px; }
.results-panel-heading h3 + p {
  margin: 5px 0 0;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.45;
}
.history-panel-heading > button { flex: 0 0 auto; }

.analysis-results { display: grid; gap: 12px; min-width: 0; }
.analysis-results:focus { outline: none; }
.analysis-results:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius);
}
.analysis-results[aria-busy="true"] { color: var(--text-dim); }
.analysis-results .stage-card { margin: 0; }
.analysis-results > .error-box { margin: 0; }

.results-history-feedback:empty { display: none; }
.results-history-feedback {
  margin: 0 0 10px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.45;
}
.results-history-feedback[data-tone="success"],
.results-history-feedback.success { color: var(--ok); }
.results-history-feedback[data-tone="warning"],
.results-history-feedback.warning { color: var(--warn); }
.results-history-feedback[data-tone="error"],
.results-history-feedback.error { color: var(--bad); }

.analysis-run-history {
  display: grid;
  gap: 8px;
  max-height: 610px;
  min-width: 0;
  margin: 0;
  padding: 0 3px 0 0;
  overflow-y: auto;
  list-style: none;
  scrollbar-gutter: stable;
}

.analysis-run-history-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 112px;
  padding: 16px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius);
  text-align: center;
}
.analysis-run-history-state strong { color: var(--text); font-size: 13px; }
.analysis-run-history-state span { font-size: 12px; line-height: 1.45; }
.analysis-run-history-state.is-loading,
.analysis-run-history-state[data-state="loading"] { border-style: solid; }
.analysis-run-history-state.is-error,
.analysis-run-history-state[data-state="error"] {
  color: var(--bad);
  border-color: rgba(239, 90, 111, 0.55);
}

.analysis-run-history-item {
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}
.analysis-run-history-item:hover { border-color: rgba(91, 140, 255, 0.65); }
.analysis-run-history-item.is-selected,
.analysis-run-history-item[data-state="selected"],
.analysis-run-history-item:has(.analysis-run-history-button[aria-current="true"]) {
  background: rgba(91, 140, 255, 0.1);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(91, 140, 255, 0.28);
}
.analysis-run-history-item.is-stale,
.analysis-run-history-item[data-state="stale"] {
  background: rgba(224, 166, 62, 0.055);
  border-color: rgba(224, 166, 62, 0.48);
}

.analysis-run-history-button,
.analysis-run-card {
  display: block;
  width: 100%;
  min-width: 0;
  padding: 12px;
  color: var(--text);
  background: transparent;
  border-radius: inherit;
  text-align: left;
}
.analysis-run-history-button:hover,
.analysis-run-card:hover { opacity: 1; }
.analysis-run-history-button:focus-visible,
.analysis-run-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.analysis-run-history-main,
.analysis-run-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 9px;
  min-width: 0;
}
.analysis-run-history-title,
.analysis-run-card-title { min-width: 0; overflow-wrap: anywhere; font-size: 12px; font-weight: 650; }
.analysis-run-history-time,
.analysis-run-card-time { flex: 0 0 auto; color: var(--text-dim); font-size: 10px; white-space: nowrap; }
.analysis-run-history-meta,
.analysis-run-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin-top: 7px;
  color: var(--text-dim);
  font-size: 10px;
  line-height: 1.4;
}
.analysis-run-stale-label {
  color: var(--warn);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.result-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.result-panel-header h3 { margin: 0; font-size: 16px; }
.result-panel-header time { color: var(--text-dim); font-size: 11px; white-space: nowrap; }
.result-panel > pre {
  max-height: 520px;
  margin: 12px 0 0;
  padding: 13px;
  overflow: auto;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.file-table tr.is-selected td { background: rgba(91, 140, 255, 0.08); }

@media (max-width: 900px) {
  .workspace-step { flex-direction: column; gap: 4px; font-size: 11px; }
  .workspace-overview-grid,
  .source-method-grid,
  .targeted-tools-grid,
  .results-workspace-grid { grid-template-columns: minmax(0, 1fr); }
  .analysis-run-history { max-height: 380px; }
  .analysis-workflows { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .file-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .file-search-field { grid-column: 1 / -1; }
  .file-row,
  .file-item { grid-template-columns: minmax(0, 1fr) auto; }
  .file-row-summary,
  .file-item-summary { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 600px) {
  .workspace-page-header,
  .workspace-section-heading,
  .workspace-danger-zone { align-items: stretch; flex-direction: column; }
  .workspace-page-header { gap: 12px; }
  .secondary-link { align-self: flex-start; }
  .workspace-stepper {
    top: 6px;
    display: flex;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }
  .workspace-step { flex: 0 0 78px; }
  .workspace-section { padding: 17px 14px; scroll-margin-top: 104px; }
  .workspace-section-heading > button { align-self: flex-start; }
  .workspace-danger-zone .danger-button { align-self: flex-start; }
  .readiness-metrics,
  .analysis-workflows { grid-template-columns: minmax(0, 1fr); }
  .analysis-action-row { align-items: stretch; flex-direction: column; }
  .analysis-action-row button { align-self: stretch; }
  .result-detail-panel,
  .analysis-history-panel { padding: 14px; }
  .history-panel-heading { align-items: stretch; flex-direction: column; }
  .history-panel-heading > button { align-self: flex-start; }
  .targeted-tool-description { min-height: 0; }
  .targeted-tool-actions { justify-content: stretch; }
  .targeted-tool-actions button { width: 100%; }
  .file-toolbar { grid-template-columns: minmax(0, 1fr); }
  .file-search-field { grid-column: auto; }
  .file-row,
  .file-item { grid-template-columns: minmax(0, 1fr); gap: 7px; }
  .file-row-summary,
  .file-item-summary { grid-column: auto; grid-row: auto; }
  .file-row-actions,
  .file-item-actions { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .workspace-section { scroll-behavior: auto; }
}

/* === Gerber Viewer dashboard === */
.gv-results { display: grid; grid-template-columns: 280px 1fr 360px; gap: 16px; margin-top: 16px; }
.gv-layer-panel { max-height: 600px; overflow-y: auto; }
.gv-layer-controls { display: flex; gap: 4px; margin-bottom: 8px; }
.gv-group-heading { font-size: 12px; text-transform: uppercase; color: var(--text-dim); margin: 12px 0 4px; border-bottom: 1px solid var(--border); padding-bottom: 2px; }
.gv-layer-row { display: flex; align-items: center; gap: 6px; padding: 3px 0; }
.gv-layer-name { flex: 1; font-size: 13px; }
.gv-layer-meta { font-size: 11px; color: var(--text-dim); }
.gv-summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; margin-bottom: 16px; }
.gv-summary-item { display: flex; justify-content: space-between; padding: 2px 0; border-bottom: 1px solid var(--border-dim); }
.gv-summary-label { color: var(--text-dim); font-size: 12px; }
.gv-summary-value { font-weight: 600; font-size: 12px; }
.health-bar { position: relative; height: 28px; background: var(--border-dim); border-radius: 4px; overflow: hidden; margin-bottom: 8px; }
.health-fill { position: absolute; left: 0; top: 0; height: 100%; transition: width 0.3s; }
.health-text { position: relative; padding: 4px 8px; font-size: 12px; color: var(--text); z-index: 1; }
.gv-preview-controls { margin: 8px 0; }
.gv-viewer { min-height: 200px; border: 1px solid var(--border); border-radius: 4px; padding: 8px; background: var(--bg-dim); }
.gv-visible-layer { font-size: 12px; padding: 2px 0; color: var(--text-dim); }
.gv-dfm-controls { display: flex; gap: 4px; margin-bottom: 8px; }
.gv-severity-badge { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 12px; font-weight: 600; margin-right: 4px; }
.gv-violation-list { max-height: 400px; overflow-y: auto; }
.gv-violation-card { border: 1px solid var(--border); border-radius: 4px; padding: 8px; margin-bottom: 8px; }
.gv-violation-header { display: flex; align-items: center; gap: 4px; }
.gv-severity-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.gv-violation-cat { color: var(--text-dim); font-size: 11px; }
.gv-violation-detail { font-size: 12px; color: var(--text-dim); margin: 4px 0; }
.gv-fix-btn { font-size: 11px; padding: 2px 8px; margin-top: 4px; }
.gv-measure-controls { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 8px; }
.gv-measure-controls input { width: 60px; }
.gv-report-controls { display: flex; gap: 4px; flex-wrap: wrap; }
.gv-warnings { margin: 16px 0; }
.gv-comment { border-left: 3px solid var(--accent); padding: 8px; margin-bottom: 8px; background: var(--bg-dim); }
.gv-main-panel { max-height: 600px; overflow-y: auto; }
.gv-tools-panel { max-height: 600px; overflow-y: auto; }

@media (max-width: 1024px) {
  .gv-results { grid-template-columns: 1fr; }
}

/* Schematic Canvas */
.sc-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.sc-toolbar-group { display: flex; gap: 4px; align-items: end; }
.sc-toolbar-group .field { margin: 0; }
.sc-toolbar-group input[type="text"] { width: 160px; }
.sc-toolbar button { padding: 6px 10px; font-size: 13px; }
.sc-toolbar button.danger { color: var(--bad); }
.sc-layout { display: grid; grid-template-columns: 1fr 300px; gap: 20px; }
@media (max-width: 1024px) { .sc-layout { grid-template-columns: 1fr; } }
.sc-canvas-card { padding: 12px; }
.sc-canvas { background: #0a0c10; border: 1px solid var(--panel-border); border-radius: var(--radius); overflow: auto; min-height: 500px; outline: none; }
.sc-canvas:focus { border-color: var(--accent); }
.sc-canvas svg { display: block; }
.sc-comp-box { fill: var(--panel); stroke: var(--accent); stroke-width: 1; }
.sc-comp.selected .sc-comp-box { fill: var(--accent-dim); stroke: var(--accent); stroke-width: 2; }
.sc-comp:hover .sc-comp-box { fill: #1f2a3a; }
/* Real schematic symbol glyphs (resistor zigzag, cap plates, diode, etc.) */
.sc-sym-stroke { stroke: #cdd6e2; stroke-width: 1.6; fill: none; color: #cdd6e2; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; }
.sc-comp.selected .sc-sym-stroke { stroke: var(--accent); color: var(--accent); stroke-width: 2.2; }
.sc-comp:hover .sc-sym-stroke { stroke: #ffffff; }
.sc-comp-list, .sc-net-list { max-height: 200px; overflow-y: auto; }
.sc-comp-item, .sc-net-item { padding: 4px 8px; border-radius: 4px; cursor: pointer; font-size: 13px; }
.sc-comp-item:hover, .sc-net-item:hover { background: var(--accent-dim); }
.sc-comp-item.selected { background: var(--accent-dim); color: var(--accent); }
.sc-selected-info { font-size: 13px; }
.sc-canvas-hint { color: var(--text-dim); font-size: 12px; margin-top: 6px; }
.sc-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.sc-modal-content { max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; }
.sc-modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.sc-export-preview { background: #0a0c10; border: 1px solid var(--panel-border); padding: 12px; border-radius: var(--radius); max-height: 300px; overflow: auto; font-size: 11px; white-space: pre-wrap; word-break: break-all; }

/* All View */
.av-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: end; }
.av-controls .field { margin: 0; }
.av-tabs { display: flex; gap: 2px; flex-wrap: wrap; }
.av-tab { padding: 6px 14px; background: var(--bg); border: 1px solid var(--panel-border); color: var(--text-dim); border-radius: var(--radius); cursor: pointer; font-size: 13px; }
.av-tab.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }
.av-pin-controls { display: flex; gap: 12px; font-size: 13px; color: var(--text-dim); }
.av-main { display: flex; flex-direction: column; gap: 20px; }
.av-pane { min-height: 200px; }
.av-pane-controls { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.av-pane-controls select { min-width: 180px; }
.av-viewer { background: #0a0c10; border: 1px solid var(--panel-border); border-radius: var(--radius); min-height: 400px; overflow: auto; padding: 12px; }
.av-viewer svg { max-width: 100%; height: auto; }
.av-overview-grid { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.av-stat { background: var(--bg); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 12px 20px; text-align: center; }
.av-stat strong { display: block; font-size: 24px; color: var(--accent); }
.av-stat span { font-size: 12px; color: var(--text-dim); }
.av-file-table, .av-analysis-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.av-file-table th, .av-file-table td, .av-analysis-table th, .av-analysis-table td { padding: 6px 10px; border-bottom: 1px solid var(--panel-border); text-align: left; }
.av-file-table th, .av-analysis-table th { color: var(--text-dim); font-weight: 600; }
.av-stack-list { margin-bottom: 12px; }
.av-stack-item { display: flex; justify-content: space-between; align-items: center; padding: 4px 8px; background: var(--bg); border-radius: 4px; margin-bottom: 4px; font-size: 13px; }
.av-bom-preview { font-size: 11px; white-space: pre-wrap; }
.av-pin { border-color: var(--accent); }

/* === Theme Toggle Button === */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: background 0.2s, border-color 0.2s;
}
.theme-toggle:hover { background: var(--panel-hover); border-color: var(--accent); }
.theme-toggle .icon { font-size: 16px; }

/* === Theme-aware backgrounds for viewers/canvas === */
[data-theme="light"] .sc-canvas,
[data-theme="light"] .sc-export-preview,
[data-theme="light"] .av-viewer,
[data-theme="light"] .gv-viewer,
[data-theme="light"] .gv-viewer-area {
  background: #e8eaed !important;
}

[data-theme="light"] .gv-viewer svg,
[data-theme="light"] .gv-viewer-area svg {
  background: #e8eaed !important;
}

/* === UI Enhancements === */
.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--input-border); }

button, .btn {
  padding: 8px 16px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
}
button:hover, .btn:hover { background: var(--panel-hover); border-color: var(--accent); }
button:active, .btn:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

button.primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.1); }

button.secondary {
  background: transparent;
  border-color: var(--panel-border);
  color: var(--text-dim);
}
button.secondary:hover { color: var(--text); border-color: var(--accent); }

input, textarea, select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--text);
  font-size: 14px;
  width: 100%;
  transition: border-color 0.15s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

input[type="checkbox"] { width: auto; }
input[type="radio"] { width: auto; }

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.field { margin-bottom: 16px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 2px solid var(--panel-border);
  font-weight: 600;
  color: var(--text-dim);
}
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--panel-border);
}
tr:nth-child(even) { background: var(--table-stripe); }
tr:hover { background: var(--panel-hover); }

pre {
  background: var(--code-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 12px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
}

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.loading {
  color: var(--text-dim);
  padding: 12px 0;
  font-size: 14px;
}

.hint { color: var(--text-dim); font-size: 12px; }
.subtitle { color: var(--text-dim); font-size: 14px; margin: 0 0 20px; }

.warning-box {
  background: color-mix(in srgb, var(--warn) 15%, transparent);
  border: 1px solid var(--warn);
  border-radius: var(--radius);
  padding: 8px 12px;
  margin: 4px 0;
  font-size: 13px;
}

.error-box {
  background: color-mix(in srgb, var(--bad) 15%, transparent);
  border: 1px solid var(--bad);
  border-radius: var(--radius);
  padding: 8px 12px;
  margin: 4px 0;
  font-size: 13px;
}

.stage-card {
  background: var(--bg-dim);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 12px;
}
.stage-card h3 { margin: 0 0 8px; font-size: 14px; color: var(--accent); }
.stage-card pre { margin: 0; }

.health-bar {
  position: relative;
  height: 28px;
  background: var(--bg-dim);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--panel-border);
}
.health-fill { position: absolute; left: 0; top: 0; height: 100%; transition: width 0.4s ease; }
.health-text { position: relative; padding: 4px 8px; font-size: 12px; z-index: 1; }

/* Responsive grid */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

/* Nav dropdown */
.manual-tools summary {
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
  font-size: 14px;
}
.manual-tools[open] summary { color: var(--accent); }
.manual-tools-menu {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
  list-style: none;
  margin: 4px 0 0;
  min-width: 200px;
  z-index: 100;
}
.manual-tools-menu li a {
  display: block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
}
.manual-tools-menu li a:hover { background: var(--panel-hover); }

/* Gerber viewer specific */
.gv-results { display: grid; grid-template-columns: 280px 1fr 360px; gap: 16px; margin-top: 16px; }
.gv-layer-panel, .gv-main-panel, .gv-tools-panel { max-height: 700px; overflow-y: auto; }
.gv-viewer { min-height: 300px; border: 1px solid var(--panel-border); border-radius: var(--radius); background: var(--bg-dim); }

@media (max-width: 1024px) { .gv-results { grid-template-columns: 1fr; } }

/* Enhanced Schematic Canvas (Flux-style workspace) */
body[data-page="schematic-canvas"] .content { max-width: 1600px; }
.sc-title-group { min-width: 190px; }
.sc-toolbar-group.sc-wire-controls input[type="text"] { width: 88px; padding: 7px 8px; }
.sc-toolbar-group.sc-wire-controls input#sc-wire-net-name { width: 150px; }
.sc-toolbar .sc-inline { display: inline-flex; align-items: center; gap: 4px; margin: 0 4px; font-size: 12px; color: var(--text-dim); }
.sc-toolbar .sc-inline input { margin: 0; }
.sc-zoom-label { display: inline-block; min-width: 46px; text-align: center; color: var(--text-dim); font-size: 12px; }
.sc-layout { grid-template-columns: minmax(0, 1fr) 380px; align-items: start; }
.sc-sheet-header { display: flex; justify-content: space-between; gap: 12px; align-items: start; flex-wrap: wrap; }
.sc-status-strip { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.sc-canvas { min-height: 680px; resize: vertical; }
.sc-sheet-bg { fill: #090b0f; stroke: #303642; stroke-width: 1; }
.sc-grid-line { stroke: #1f242e; stroke-width: 0.5; vector-effect: non-scaling-stroke; }
.sc-wire { stroke: #5b8cff; stroke-width: 1.8; fill: none; vector-effect: non-scaling-stroke; cursor: pointer; }
.sc-wire.selected { stroke: var(--warn); stroke-width: 3; }
.sc-wire-preview { stroke: var(--warn); stroke-width: 1.5; stroke-dasharray: 4 3; fill: none; vector-effect: non-scaling-stroke; }
.sc-net-label { fill: #e0a63e; font-size: 12px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; pointer-events: none; }
.sc-pin { fill: #0a0c10; stroke: #76d0ff; stroke-width: 1; vector-effect: non-scaling-stroke; }
.sc-pin-text { fill: #76d0ff; font-size: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; pointer-events: none; }
.sc-ref-text { fill: #e6e8ec; font-size: 10px; font-weight: 700; pointer-events: none; }
.sc-value-text { fill: #9aa1ad; font-size: 8px; pointer-events: none; }
.sc-comment circle { fill: rgba(224, 166, 62, 0.2); stroke: var(--warn); stroke-width: 1.5; }
.sc-comment text { fill: var(--warn); font-size: 11px; font-family: inherit; }
.sc-net-item.selected { background: var(--accent-dim); color: var(--warn); }
.sc-flux-panel { margin-top: 18px; border-top: 1px solid var(--panel-border); padding-top: 14px; }
.sc-tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.sc-tool-grid button { padding: 7px 8px; font-size: 12px; }
.sc-tool-results { margin-top: 12px; max-height: 520px; overflow: auto; border: 1px solid var(--panel-border); border-radius: var(--radius); background: var(--bg); padding: 10px; font-size: 13px; }
.sc-tool-results h3 { margin: 0 0 8px; font-size: 13px; color: var(--accent); }
.sc-tool-pre { white-space: pre-wrap; word-break: break-word; font-size: 11px; line-height: 1.45; margin: 0; }
.sc-issue-list { padding-left: 0; list-style: none; margin: 8px 0; }
.sc-issue-list li { margin: 6px 0; line-height: 1.4; }
.sc-export-modal-content { max-width: 900px; }
button.danger, button.secondary.danger { color: var(--bad); }
@media (max-width: 1180px) { .sc-layout { grid-template-columns: 1fr; } .sc-sidebar { order: 2; } }

.sc-context-controls { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; margin: 6px 0 10px; padding: 8px; background: var(--bg); border: 1px solid var(--panel-border); border-radius: var(--radius); }
.sc-context-controls label { display: inline-flex; gap: 4px; align-items: center; margin: 0; font-size: 12px; color: var(--text-dim); }
.sc-context-controls input { margin: 0; }

/* === Canvas: DRC markers, pin highlight, marquee === */
.sc-drc-markers circle { animation: sc-pulse 1.5s infinite; }
@keyframes sc-pulse { 0%,100% { opacity: 0.4; } 50% { opacity: 0.8; } }
.sc-pin-highlight { fill: var(--accent) !important; r: 4 !important; }
.sc-pin { transition: r 0.1s; }
.sc-pin:hover { fill: var(--accent); }
.sc-wire-highlight { stroke: var(--accent) !important; stroke-width: 2 !important; opacity: 1 !important; }
.sc-text-annotation text { user-select: none; }