:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: #dbe3ec;
  --line-strong: #c8d2df;
  --text: #1f2933;
  --muted: #65758b;
  --primary: #1f7a6a;
  --primary-strong: #176153;
  --accent: #2563eb;
  --danger: #d83a4b;
  --warning: #b7791f;
  --success: #18825d;
  --shadow: 0 18px 45px rgba(29, 45, 68, 0.08);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.dark {
  color-scheme: dark;
  --bg: #101820;
  --surface: #15212d;
  --surface-soft: #1b2a37;
  --line: #2c3e50;
  --line-strong: #3a5065;
  --text: #eef4f8;
  --muted: #a8b8c8;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 180ms ease;
}

body.sidebar-collapsed .app-shell {
  grid-template-columns: 86px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px;
  background: #17242f;
  color: #f4fbff;
  display: flex;
  flex-direction: column;
  gap: 26px;
  overflow: hidden;
}

.sidebar-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: white;
  cursor: pointer;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
}

.brand strong,
.brand small {
  display: block;
}

.sidebar-label {
  transition: opacity 140ms ease;
}

body.sidebar-collapsed .sidebar {
  padding: 20px 14px;
  align-items: center;
}

body.sidebar-collapsed .sidebar-label,
body.sidebar-collapsed .sidebar-card strong,
body.sidebar-collapsed .sidebar-card small,
body.sidebar-collapsed .sidebar-card .eyebrow {
  opacity: 0;
  width: 0;
  height: 0;
  overflow: hidden;
  position: absolute;
}

.brand small,
.sidebar-card small {
  color: #b8c6d1;
  margin-top: 3px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  color: #d9e5ef;
  text-decoration: none;
}

.nav a > span {
  width: 22px;
  min-width: 22px;
  text-align: center;
  font-weight: 850;
}

body.sidebar-collapsed .nav a {
  justify-content: center;
  padding: 12px;
}

.nav a.active,
.nav a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.sidebar-card {
  margin-top: auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

body.sidebar-collapsed .sidebar-card {
  width: 48px;
  height: 48px;
  padding: 0;
  margin-top: auto;
  opacity: 0.35;
}

.eyebrow {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sidebar .eyebrow {
  color: #8fb2c6;
}

.main {
  min-width: 0;
  padding: 28px clamp(18px, 4vw, 56px) 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.topbar h1 {
  margin: 6px 0 0;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.05;
}

.topbar-actions,
.toolbar,
.form-actions,
.row-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

body.logged-out .app-shell {
  grid-template-columns: 1fr;
}

body.logged-out .sidebar {
  display: none;
}

body.logged-out .topbar-actions .context-field,
body.logged-out #logout-button {
  display: none;
}

body.mobile-app-mode .app-shell,
body.mobile-app-mode.sidebar-collapsed .app-shell {
  grid-template-columns: 1fr;
}

body.mobile-app-mode .sidebar,
body.mobile-app-mode .topbar {
  display: none;
}

body.mobile-app-mode .main {
  min-height: 100vh;
  padding: 12px;
}

body.mobile-app-mode .view {
  max-width: 680px;
  margin: 0 auto;
}

.context-field {
  min-width: 170px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  gap: 5px;
}

.context-field select {
  min-height: 40px;
  padding: 7px 10px;
  font-size: 0.92rem;
  font-weight: 650;
}

.ghost-button,
.icon-button,
.primary-button,
.secondary-button,
.danger-button {
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.icon-button {
  width: 40px;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.ghost-button,
.secondary-button {
  background: var(--surface);
  color: var(--text);
}

.primary-button {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  font-weight: 750;
}

.primary-button:hover {
  background: var(--primary-strong);
}

.danger-button {
  background: var(--surface);
  border-color: rgba(216, 58, 75, 0.45);
  color: var(--danger);
}

.toolbar {
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.search-wrap {
  min-width: min(420px, 100%);
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  min-height: 44px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.search-wrap input {
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  width: 100%;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.metric,
.form-section,
.table-shell,
.detail-card,
.empty-state,
.list-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
}

.metric small,
.metric span {
  color: var(--muted);
}

.metric strong {
  display: block;
  margin: 8px 0 2px;
  font-size: 2.1rem;
}

.dashboard-main {
  display: grid;
  gap: 18px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.15rem;
}

.login-screen {
  min-height: min(680px, calc(100vh - 220px));
  display: grid;
  place-items: center;
}

.login-card {
  width: min(460px, 100%);
  display: grid;
  gap: 18px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-logo {
  width: min(310px, 100%);
  height: auto;
  margin-bottom: 4px;
}

.login-card h2 {
  margin: 0;
  font-size: 2rem;
}

.login-card p {
  margin: -8px 0 4px;
  color: var(--muted);
}

.form-message {
  min-height: 20px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.form-message.failed {
  color: var(--danger);
}

.section-heading a,
.back-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
}

.list {
  display: grid;
  gap: 10px;
}

.dashboard-main .list {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 14px;
}

.list-item {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.dashboard-main .list-item {
  min-height: 150px;
  align-content: space-between;
  padding: 18px;
}

.list-item header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.muted {
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.badge.ok {
  color: var(--success);
  background: rgba(24, 130, 93, 0.12);
}

.badge.soon {
  color: var(--warning);
  background: rgba(183, 121, 31, 0.14);
}

.badge.overdue,
.badge.failed,
.badge.unchecked {
  color: var(--danger);
  background: rgba(216, 58, 75, 0.12);
}

.badge.info {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.12);
}

.table-shell {
  overflow: auto;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.stacked-cell,
.device-cell {
  min-width: 0;
}

.stacked-cell strong,
.stacked-cell span,
.device-cell strong,
.device-cell span {
  display: block;
}

.stacked-cell span,
.device-cell span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.25;
}

.ean-cell,
.date-cell {
  white-space: nowrap;
}

.serial-cell {
  max-width: 170px;
  overflow-wrap: anywhere;
}

tbody tr:hover {
  background: var(--surface-soft);
}

.row-actions a,
.row-actions button {
  min-width: 34px;
  height: 34px;
  padding: 0;
}

.row-actions {
  gap: 6px;
  justify-content: flex-end;
}

.form-stack {
  display: grid;
  gap: 18px;
}

.form-section {
  padding: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  min-height: 46px;
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
}

.inspection-form input,
.inspection-form select,
.inspection-form textarea {
  min-height: 40px;
  padding: 8px 10px;
}

textarea {
  resize: vertical;
  min-height: 110px;
}

.inspection-form textarea {
  min-height: 76px;
}

.form-actions .primary-button {
  width: 100%;
}

.inspection-form {
  display: grid;
  gap: 10px;
}

.inspection-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(31, 122, 106, 0.12), rgba(37, 99, 235, 0.08)),
    var(--surface);
  box-shadow: var(--shadow);
}

.inspection-hero h2 {
  margin: 4px 0;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.05;
}

.inspection-hero p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.inspection-hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.inspection-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 10px;
  align-items: start;
}

.inspection-panel {
  padding: 16px;
}

.guided-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.guided-steps button {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.guided-steps span {
  width: 23px;
  height: 23px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.guided-steps strong {
  font-size: 0.78rem;
}

.guided-steps button.active {
  border-color: rgba(31, 122, 106, 0.55);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(31, 122, 106, 0.1);
}

.guided-steps button.active span,
.guided-steps button.complete span {
  background: var(--primary);
  color: white;
}

.inspection-step {
  display: none;
}

.inspection-step.active {
  display: block;
}

.inspection-meta-grid,
.inspection-measure-grid,
.inspection-notes-grid {
  display: grid;
  gap: 10px;
}

.inspection-meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.inspection-meta-grid.two-cols {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.inspection-meta-grid.one-col {
  grid-template-columns: 1fr;
}

.inspection-measure-grid {
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  margin-bottom: 10px;
}

.inspection-notes-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.inspection-pass-note {
  display: none;
  margin: 0 0 10px;
  padding: 12px;
  border: 1px solid rgba(24, 130, 93, 0.24);
  border-radius: var(--radius);
  color: var(--success);
  background: rgba(24, 130, 93, 0.08);
  font-weight: 800;
}

.inspection-pass-note.visible {
  display: block;
}

.inspection-notes-grid.is-hidden {
  display: none;
}

.inspection-measure-grid label {
  gap: 5px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  font-size: 0.86rem;
  line-height: 1.2;
  min-width: 0;
  overflow-wrap: anywhere;
}

.inspection-measure-grid label small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.inspection-measure-grid input {
  min-height: 34px;
  padding: 6px 8px;
  font-size: 0.95rem;
  font-weight: 750;
}

.inspection-side {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 12px;
}

.inspection-save-card {
  display: grid;
  gap: 9px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #17242f;
  color: white;
  box-shadow: var(--shadow);
}

.inspection-save-card p {
  margin: 0;
  color: #c9d5de;
}

.inspection-save-card strong {
  font-size: 1.15rem;
}

.inspection-save-card strong.ok {
  color: #7ee1bd;
}

.inspection-save-card strong.failed {
  color: #ffb4bf;
}

.guided-controls {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
}

.mobile-app-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(31, 122, 106, 0.14), rgba(37, 99, 235, 0.08)),
    var(--surface);
  box-shadow: var(--shadow);
}

.mobile-app-head h2 {
  margin: 4px 0 6px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.mobile-app-head p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.mobile-session {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--muted);
  font-weight: 800;
}

.mobile-check-list {
  display: grid;
  gap: 12px;
}

.mobile-check-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mobile-check-main {
  display: grid;
  gap: 5px;
}

.mobile-check-main strong {
  font-size: 1.08rem;
  line-height: 1.2;
}

.mobile-check-main span:last-child,
.mobile-check-meta {
  color: var(--muted);
  font-weight: 700;
}

.mobile-check-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.mobile-check-card .primary-button {
  position: relative;
  z-index: 1;
  min-height: 44px;
  width: 100%;
}

.section-heading-compact {
  margin-top: 0;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 18px;
  margin-bottom: 18px;
}

.detail-hero h2 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 18px 0;
}

.detail-card {
  padding: 20px;
}

.fact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.fact {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 12px;
}

.fact dt {
  color: var(--muted);
  font-weight: 800;
}

.fact dd {
  margin: 0;
}

.check-history {
  display: grid;
  gap: 10px;
}

.empty-state {
  padding: 18px;
  color: var(--muted);
}

.inspection-guidance {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.rule-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rule-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 800;
}

.field-hint {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.field-hint.ok {
  color: var(--success);
}

.field-hint.warn {
  color: var(--warning);
}

.field-hint.failed {
  color: var(--danger);
}

input.field-ok,
select.field-ok {
  border-color: rgba(24, 130, 93, 0.7);
}

input.field-warn,
select.field-warn {
  border-color: rgba(183, 121, 31, 0.75);
}

input.field-failed,
select.field-failed {
  border-color: rgba(216, 58, 75, 0.8);
}

.quick-check {
  display: grid;
  gap: 10px;
  width: 100%;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(90px, 1fr));
  gap: 8px;
}

.quick-grid.compact-values {
  grid-template-columns: repeat(2, minmax(140px, 1fr));
}

.quick-grid label {
  gap: 4px;
  color: var(--muted);
  font-size: 0.75rem;
}

.quick-grid input,
.quick-grid select {
  min-height: 36px;
  padding: 7px 9px;
  font-size: 0.9rem;
}

.quick-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.check-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 10px 0;
  background: var(--bg);
}

.check-list {
  display: grid;
  gap: 10px;
}

.check-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(430px, 1.15fr);
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.check-info {
  display: grid;
  gap: 8px;
}

.check-info-header,
.check-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.check-title {
  font-weight: 850;
}

.check-subtitle {
  color: var(--muted);
}

.check-meta {
  justify-content: flex-start;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.quick-result {
  color: var(--muted);
  font-weight: 750;
}

.quick-result.ok {
  color: var(--success);
}

.quick-result.warn {
  color: var(--warning);
}

.quick-result.failed {
  color: var(--danger);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.admin-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.admin-list {
  display: grid;
  gap: 10px;
}

.admin-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.admin-card strong,
.admin-card span {
  display: block;
}

.admin-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.compact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.compact-form label:has(select[multiple]) {
  grid-row: span 2;
}

.compact-table {
  box-shadow: none;
}

.compact-table table {
  min-width: 560px;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
}

.settings-backup {
  grid-column: 1 / -1;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.settings-form .wide-field,
.settings-form button:first-of-type {
  grid-column: 1 / -1;
}

.toggle-line {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.toggle-line input {
  width: auto;
}

.settings-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-weight: 650;
}

.backup-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.backup-panel p {
  margin: 8px 0 0;
}

.backup-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.file-button {
  position: relative;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  body.sidebar-collapsed .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    align-items: stretch;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .metric-grid,
  .detail-grid,
  .form-grid,
  .admin-summary,
  .admin-grid,
  .settings-grid {
    grid-template-columns: 1fr 1fr;
  }

  .topbar {
    align-items: flex-start;
  }

  .topbar-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .check-card {
    grid-template-columns: 1fr;
  }

  .inspection-layout {
    grid-template-columns: 1fr;
  }

  .inspection-side {
    position: static;
  }

  .inspection-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guided-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .main {
    padding: 16px 12px 34px;
  }

  .sidebar {
    gap: 12px;
    padding: 12px;
  }

  .sidebar-toggle {
    display: none;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand strong {
    font-size: 0.98rem;
  }

  .brand small {
    font-size: 0.78rem;
  }

  .topbar,
  .detail-hero {
    display: grid;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .nav a {
    display: grid;
    justify-items: center;
    gap: 5px;
    min-height: 54px;
    padding: 8px 6px;
    text-align: center;
    font-size: 0.78rem;
  }

  .nav a > span {
    width: 22px;
    min-width: 22px;
  }

  .nav .sidebar-label {
    position: static;
    width: auto;
    height: auto;
    opacity: 1;
    overflow: visible;
  }

  .sidebar-card {
    display: none;
  }

  .metric-grid,
  .detail-grid,
  .form-grid,
  .admin-summary,
  .admin-grid,
  .settings-grid,
  .settings-form,
  .compact-form {
    grid-template-columns: 1fr;
  }

  .settings-backup,
  .settings-form .wide-field,
  .settings-form button:first-of-type {
    grid-column: auto;
  }

  .backup-panel {
    display: grid;
  }

  .backup-actions {
    justify-content: stretch;
  }

  .admin-card {
    display: grid;
  }

  .admin-card-meta {
    justify-content: flex-start;
  }

  .topbar-actions {
    justify-content: stretch;
  }

  .context-field {
    width: 100%;
  }

  .fact {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .quick-grid.compact-values {
    grid-template-columns: 1fr;
  }

  .inspection-hero {
    display: grid;
  }

  .inspection-hero-badges {
    justify-content: flex-start;
  }

  .inspection-meta-grid,
  .inspection-measure-grid,
  .inspection-notes-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guided-steps {
    position: sticky;
    top: 0;
    z-index: 4;
    grid-template-columns: repeat(5, minmax(40px, 1fr));
    gap: 5px;
    padding: 6px 0;
    background: var(--bg);
  }

  .guided-steps button {
    justify-content: center;
    min-height: 38px;
    padding: 5px;
  }

  .guided-steps strong {
    display: none;
  }

  .inspection-panel {
    padding: 12px;
  }

  .inspection-measure-grid label {
    padding: 8px;
    font-size: 0.76rem;
  }

  .inspection-measure-grid input {
    min-height: 32px;
    padding: 5px 7px;
    font-size: 0.9rem;
  }

  .inspection-measure-grid label small,
  .inspection-measure-grid .field-hint {
    font-size: 0.68rem;
    line-height: 1.2;
  }

  .guided-controls {
    position: sticky;
    bottom: 0;
    z-index: 3;
    padding: 8px 0;
    background: var(--surface);
  }

  .guided-controls .primary-button,
  .guided-controls .secondary-button,
  .mobile-check-card .primary-button {
    width: 100%;
  }

  .mobile-app-head {
    display: grid;
    padding: 14px;
    gap: 10px;
  }

  .mobile-session {
    display: grid;
    gap: 8px;
    justify-content: initial;
  }

  .mobile-session .secondary-button {
    width: 100%;
  }

  .mobile-toolbar {
    padding: 0;
  }
}