:root {
  --ink: #172033;
  --muted: #647084;
  --line: #d7dde8;
  --panel: #ffffff;
  --paper: #f4f7fb;
  --field: #fbfcfe;
  --nav: #182231;
  --nav-soft: #243144;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --amber: #b7791f;
  --red: #b42318;
  --green: #157347;
  --shadow: 0 16px 38px rgba(23, 32, 51, 0.12);
  --radius: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--paper);
  letter-spacing: 0;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
  background: #101827;
}

.auth-card {
  width: min(100%, 430px);
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.auth-card h1,
.section-heading h1,
.panel h2,
.form-section h2 {
  margin: 0;
  letter-spacing: 0;
}

.auth-card h1 {
  font-size: 2rem;
}

.auth-card label,
.entry-form label,
.admin-panel label,
.filters-panel label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.brand-mark {
  width: 48px;
  min-width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  background: #f1b544;
  color: #111827;
  font-size: 0.78rem;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-shell {
  display: none;
  min-height: 100vh;
  grid-template-columns: 252px minmax(0, 1fr);
}

body.app-open .app-shell {
  display: grid;
}

body.app-open .auth-screen,
body.auth-open .app-shell {
  display: none;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px 18px;
  color: #f8fafc;
  background: var(--nav);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand-block strong {
  display: block;
  font-size: 1.05rem;
}

.brand-block span:not(.brand-mark),
.sidebar-footer span {
  display: block;
  color: #aab5c5;
  font-size: 0.8rem;
}

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

.nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: #d9e2ef;
  font-weight: 800;
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  border-color: rgba(255, 255, 255, 0.12);
  background: var(--nav-soft);
  color: #ffffff;
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.main-content {
  min-width: 0;
  padding: 26px;
}

.view {
  display: none;
}

.view.active {
  display: grid;
  gap: 20px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.section-heading h1 {
  font-size: clamp(1.6rem, 2vw, 2.45rem);
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button,
.mini-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.primary-button {
  background: var(--accent);
  color: #ffffff;
}

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

.secondary-button {
  border-color: var(--line);
  background: #ffffff;
  color: var(--ink);
}

.secondary-button:hover,
.ghost-button:hover {
  border-color: #aeb8c9;
}

.ghost-button {
  border-color: transparent;
  background: transparent;
  color: var(--ink);
}

.danger-button {
  background: #fff1f0;
  color: var(--red);
  border-color: #ffc9c5;
}

.mini-button {
  min-height: 34px;
  padding: 0 10px;
  font-size: 0.78rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 96px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.metric-card span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.metric-card strong {
  font-size: 1.75rem;
}

.filters-panel,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(23, 32, 51, 0.04);
}

.filters-panel {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: 12px;
  padding: 14px;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  border: 1px solid #cdd5e1;
  border-radius: 6px;
  background: var(--field);
  color: var(--ink);
  padding: 9px 10px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.log-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(310px, 0.75fr);
  gap: 16px;
  align-items: start;
}

.panel {
  min-width: 0;
}

.panel-header {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.panel-header h2,
.export-panel h2,
.admin-panel h2 {
  font-size: 1rem;
}

.count-pill,
.status-pill,
.result-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 900;
}

.count-pill {
  color: #324256;
  background: #eef2f7;
}

.status-pill {
  color: #334155;
  background: #e9edf4;
}

.status-pill.accepted,
.result-pill.pass {
  color: var(--green);
  background: #e8f5ed;
}

.status-pill.rejected,
.result-pill.fail {
  color: var(--red);
  background: #fff1f0;
}

.status-pill.in-review,
.result-pill.review {
  color: var(--amber);
  background: #fff7e6;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 11px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  background: #f7f9fc;
}

td {
  color: #263244;
  font-size: 0.88rem;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover td {
  background: #f7fbfb;
}

tr.selected td {
  background: #eef8f7;
}

.reading-stack {
  display: grid;
  gap: 3px;
  min-width: 112px;
  font-variant-numeric: tabular-nums;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.detail-panel {
  position: sticky;
  top: 26px;
  overflow: hidden;
}

.detail-inner {
  display: grid;
  gap: 16px;
  padding: 16px;
}

.detail-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.detail-top h2 {
  margin: 0 0 5px;
}

.detail-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.detail-item {
  display: grid;
  gap: 3px;
}

.detail-item span,
.reading-card span,
.checklist-row span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.detail-item strong,
.reading-card strong {
  min-height: 19px;
}

.reading-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.reading-card {
  display: grid;
  gap: 4px;
  min-height: 58px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.empty-detail {
  min-height: 360px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  color: var(--muted);
  text-align: center;
}

.empty-icon {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 7px;
  background: #edf2f7;
  color: var(--accent);
  font-weight: 900;
}

.entry-form {
  display: grid;
  gap: 0;
  padding: 0;
}

.form-section {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.form-section:last-of-type {
  border-bottom: 0;
}

.form-section h2 {
  font-size: 1.05rem;
}

.form-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

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

.lineup-prefill {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid #d7dee8;
  border-radius: 6px;
  background: #f6f8fb;
}

.lineup-prefill-controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 10px;
  align-items: end;
}

.lineup-preview {
  min-height: 0;
}

.lineup-preview-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
  font-size: 0.88rem;
}

.lineup-preview-title span,
.lineup-preview-empty {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.lineup-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.lineup-chip-list span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border: 1px solid #cdd5e1;
  border-radius: 6px;
  background: #ffffff;
  color: #334155;
  font-size: 0.76rem;
  font-weight: 850;
}

.entry-equipment-search {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid #dbe3ef;
  border-radius: 8px;
  background: #ffffff;
}

.entry-equipment-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.entry-equipment-search-row label {
  min-width: 0;
}

.entry-equipment-search-row .secondary-button {
  min-height: 43px;
  white-space: nowrap;
}

.entry-equipment-preview {
  display: grid;
  gap: 3px;
  min-height: 34px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.entry-equipment-preview strong {
  color: var(--ink);
}

.entry-equipment-preview span {
  color: var(--muted);
}

.entry-equipment-preview.is-match {
  border: 1px solid #badbcc;
  background: #eefbf4;
}

.entry-equipment-preview.is-warning {
  border: 1px solid #fde68a;
  background: #fffbeb;
}

.entry-equipment-preview.is-empty {
  border: 1px solid #e2e8f0;
}

.entry-equipment-choice-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 8px;
  margin-top: 4px;
}

.entry-equipment-choice-list button {
  display: grid;
  gap: 2px;
  min-height: 54px;
  padding: 8px 10px;
  border: 1px solid #d6b550;
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.entry-equipment-choice-list button:hover,
.entry-equipment-choice-list button:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
}

.entry-equipment-choice-list span,
.entry-equipment-choice-list small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.entry-equipment-choice-list strong {
  font-size: 0.88rem;
}

.entry-form label span,
.admin-panel label span,
.signature-field > span {
  display: inline-block;
}

.wide-field {
  grid-column: span 2;
}

.checklist-grid {
  display: grid;
  gap: 10px;
}

.entries-grid {
  display: grid;
  gap: 14px;
}

.voltage-entry {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafc;
}

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

.entry-row-heading strong {
  font-size: 0.98rem;
}

.entry-row-heading span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.entry-row-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.entry-row-grid .span-2 {
  grid-column: span 2;
}

.entry-row-grid .span-3 {
  grid-column: span 3;
}

.entry-row-grid .span-6 {
  grid-column: span 6;
}

.checklist-row {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) 150px 95px minmax(160px, 1fr);
  gap: 10px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.checklist-name {
  display: grid;
  gap: 4px;
  align-self: center;
  color: var(--ink);
  font-weight: 800;
}

.form-actions,
.export-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}

.export-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.export-panel p {
  margin: 0;
  color: var(--muted);
}

.signature-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.signature-field canvas {
  width: 100%;
  height: 180px;
  border: 1px solid #cdd5e1;
  border-radius: 6px;
  background: #ffffff;
  touch-action: none;
}

.signature-field .secondary-button {
  justify-self: start;
  min-height: 36px;
}

.signature-image {
  max-width: 100%;
  max-height: 120px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

pre {
  min-height: 180px;
  overflow: auto;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #111827;
  color: #e5e7eb;
  font-size: 0.82rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.admin-panel {
  display: grid;
  gap: 13px;
  padding: 16px;
}

.compact-table th,
.compact-table td {
  padding: 10px;
}

.admin-only {
  display: none;
}

body.is-admin .admin-only {
  display: table-cell;
}

body.is-admin form.admin-only,
body.is-admin section.admin-only,
body.is-admin div.admin-only {
  display: grid;
}

body.is-admin .data-table th.admin-only,
body.is-admin .data-table td.admin-only {
  display: table-cell;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 6px;
  background: #111827;
  color: #ffffff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

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

  .filters-panel,
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .lineup-prefill-controls {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .entry-row-grid .span-2,
  .entry-row-grid .span-3,
  .entry-row-grid .span-6 {
    grid-column: span 3;
  }

  .log-grid {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    position: static;
  }
}

@media (max-width: 780px) {
  body {
    background: #ffffff;
  }

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

  .sidebar {
    position: static;
    height: auto;
    gap: 12px;
    padding: 12px;
  }

  .brand-block {
    padding-bottom: 10px;
  }

  .nav-list {
    display: flex;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-link {
    min-width: max-content;
    min-height: 40px;
  }

  .sidebar-footer {
    display: none;
  }

  .main-content {
    padding: 14px;
  }

  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .form-section-heading,
  .entry-row-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .section-heading .primary-button,
  .section-heading .secondary-button,
  .form-section-heading .secondary-button {
    width: 100%;
  }

  .metric-grid,
  .filters-panel,
  .form-grid,
  .compact-form-grid,
  .admin-grid,
  .detail-list,
  .reading-grid,
  .entry-row-grid,
  .entry-equipment-search-row {
    grid-template-columns: 1fr;
  }

  .entry-row-grid .span-2,
  .entry-row-grid .span-3,
  .entry-row-grid .span-6 {
    grid-column: auto;
  }

  .wide-field {
    grid-column: auto;
  }

  .entry-equipment-search-row .secondary-button {
    width: 100%;
  }

  .panel-header {
    align-items: stretch;
    flex-direction: column;
  }

  .table-panel {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
  }

  th,
  td {
    padding: 10px 9px;
  }

  .checklist-row {
    grid-template-columns: 1fr;
  }

  .form-actions,
  .export-actions {
    flex-direction: column-reverse;
  }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .danger-button {
    width: 100%;
  }

  .lineup-preview-title {
    display: grid;
  }
}

@media (max-width: 520px) {
  .auth-card {
    padding: 18px;
  }

  .brand-mark {
    width: 42px;
    min-width: 42px;
    height: 42px;
  }

  .form-section,
  .export-panel,
  .admin-panel,
  .detail-inner {
    padding: 14px;
  }

  .metric-card {
    min-height: 82px;
  }

  .data-table th:nth-child(1),
  .data-table td:nth-child(1),
  .data-table th:nth-child(5),
  .data-table td:nth-child(5),
  .data-table th:nth-child(6),
  .data-table td:nth-child(6) {
    display: none;
  }
}