:root {
  color-scheme: light;
  --canvas: #eef0f8;
  --surface: #f8f8ff;
  --surface-strong: #ffffff;
  --ink: #172346;
  --ink-soft: #68708a;
  --ink-muted: #8e95aa;
  --line: #d9dce8;
  --line-strong: #c6cada;
  --blue: #0967db;
  --blue-deep: #0753bb;
  --blue-soft: #e9f1ff;
  --green: #168c69;
  --green-soft: #e7f7f0;
  --red: #c64a56;
  --red-soft: #fff0f1;
  --radius-md: 15px;
  --radius-sm: 11px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -10%, rgba(255, 255, 255, 0.85), transparent 34rem),
    var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button {
  border: 0;
}

button,
select,
input[type="date"],
input[type="datetime-local"] {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(9, 103, 219, 0.24);
  outline-offset: 2px;
}

.app-shell {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  background: var(--surface);
}

.screen {
  min-height: 100vh;
  padding: 18px 18px calc(96px + var(--safe-bottom));
}

.screen--edit {
  padding-top: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  margin: 0 -18px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(217, 220, 232, 0.78);
  background: rgba(248, 248, 255, 0.92);
  backdrop-filter: blur(16px);
}

.screen--edit .topbar {
  margin-inline: 0;
}

.topbar__title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 750;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.topbar__side {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 84px;
}

.topbar__side--right {
  justify-content: flex-end;
}

.icon-button {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  color: var(--ink);
  background: transparent;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.icon-button:hover {
  background: var(--blue-soft);
  color: var(--blue);
}

.icon-button:active {
  transform: scale(0.95);
}

.icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  vertical-align: middle;
}

.icon--sm {
  width: 16px;
  height: 16px;
}

.icon--lg {
  width: 24px;
  height: 24px;
}

.tiny-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.tiny-badge {
  min-height: 23px;
  padding: 3px 8px;
  color: var(--blue);
  border-color: rgba(9, 103, 219, 0.18);
  background: var(--blue-soft);
  font-size: 11px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.section-block {
  margin-top: 26px;
}

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

.section-heading__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 16px;
  font-weight: 760;
}

.section-heading__title::before {
  width: 4px;
  height: 19px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.section-heading__meta {
  color: var(--ink-muted);
  font-size: 12px;
}

.summary-card,
.record-card,
.device-card,
.form-section,
.history-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
}

.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-field {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 9px;
  min-width: 0;
  min-height: 46px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
}

.search-field .icon {
  color: var(--ink-muted);
}

.search-field input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
}

.search-field input::placeholder {
  color: var(--ink-muted);
}

.small-primary,
.small-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 750;
  transition: background 160ms ease, transform 160ms ease;
}

.small-primary {
  color: #ffffff;
  background: var(--blue);
}

.small-primary:hover {
  background: var(--blue-deep);
}

.small-secondary {
  color: var(--blue);
  border: 1px solid rgba(9, 103, 219, 0.2);
  background: var(--blue-soft);
}

.small-primary:active,
.small-secondary:active {
  transform: scale(0.97);
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin: 10px 2px 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
}

.message--error {
  color: var(--red);
}

.message--success {
  color: var(--green);
}

.device-list,
.history-list {
  display: grid;
  gap: 10px;
}

.device-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px;
  color: var(--ink);
  text-align: left;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.device-card:hover {
  border-color: rgba(9, 103, 219, 0.32);
  background: #ffffff;
  transform: translateY(-1px);
}

.device-card__mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 13px;
  color: var(--blue);
  background: var(--blue-soft);
}

.device-card__body {
  display: grid;
  flex: 1;
  gap: 4px;
  min-width: 0;
}

.device-card__title,
.device-card__meta {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-card__title {
  font-size: 14px;
  font-weight: 750;
}

.device-card__meta {
  color: var(--ink-soft);
  font-size: 12px;
}

.device-card__tail {
  display: grid;
  justify-items: end;
  gap: 7px;
}

.empty-state {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 28px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--ink-muted);
  text-align: center;
}

.empty-state strong {
  color: var(--ink-soft);
  font-size: 14px;
}

.empty-state span {
  font-size: 12px;
  line-height: 1.6;
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: 100%;
  padding: 9px 18px calc(9px + var(--safe-bottom));
  border-top: 1px solid rgba(217, 220, 232, 0.9);
  background: rgba(248, 248, 255, 0.94);
  box-shadow: 0 -10px 28px rgba(24, 36, 78, 0.06);
  backdrop-filter: blur(16px);
}

.nav-item {
  display: grid;
  justify-items: center;
  gap: 4px;
  min-height: 54px;
  padding: 6px 8px;
  border-radius: 13px;
  color: var(--ink-muted);
  background: transparent;
  font-size: 11px;
  font-weight: 650;
}

.nav-item--active {
  color: var(--blue);
}

.nav-item__icon {
  display: grid;
  min-width: 42px;
  min-height: 28px;
  place-items: center;
  border-radius: 999px;
}

.nav-item--active .nav-item__icon {
  background: var(--blue-soft);
}

.form-section {
  margin-top: 14px;
  padding: 15px;
}

.form-section__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 13px;
  font-size: 16px;
  font-weight: 760;
}

.form-subtitle {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

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

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

.field {
  display: grid;
  gap: 7px;
}

.field__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-inline: 2px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 650;
}

.field__label em {
  color: var(--red);
  font-style: normal;
}

.field__control {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  outline: 0;
  color: var(--ink);
  background: var(--surface-strong);
  font-size: 14px;
}

textarea.field__control {
  min-height: 88px;
  padding-block: 12px;
  resize: vertical;
  line-height: 1.6;
}

.field__control:read-only {
  color: var(--ink-soft);
  background: #f1f3f9;
}

select.field__control {
  appearance: none;
}

.field__control:hover:not(:read-only),
.field__control:focus {
  border-color: rgba(9, 103, 219, 0.55);
}

.field--wide {
  grid-column: 1 / -1;
}

.form-divider {
  height: 1px;
  margin: 17px 0;
  background: var(--line);
}

.save-bar {
  padding: 18px 0 4px;
}

.save-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 54px;
  border-radius: 16px;
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 12px 24px rgba(9, 103, 219, 0.2);
  font-size: 16px;
  font-weight: 760;
  transition: background 160ms ease, transform 160ms ease;
}

.save-button:hover {
  background: var(--blue-deep);
}

.save-button:active {
  transform: scale(0.985);
}

.history-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 24px;
}

.summary-card {
  display: grid;
  gap: 6px;
  padding: 14px;
}

.summary-card__value {
  font-size: 23px;
  font-weight: 780;
  letter-spacing: -0.04em;
}

.summary-card__label {
  color: var(--ink-soft);
  font-size: 12px;
}

.history-card {
  padding: 15px;
}

.history-card__top,
.history-card__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.history-card__top {
  margin-bottom: 12px;
}

.history-card__title {
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 14px;
  font-weight: 760;
  white-space: nowrap;
}

.history-card__date,
.history-card__bottom {
  color: var(--ink-soft);
  font-size: 12px;
}

.history-card__note {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: end center;
  padding: 16px;
  background: rgba(16, 23, 52, 0.34);
  backdrop-filter: blur(5px);
}

.modal-card {
  width: min(100%, 428px);
  padding: 20px 18px calc(18px + var(--safe-bottom));
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(16, 23, 52, 0.24);
  animation: sheet-in 180ms ease-out;
}

@keyframes sheet-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.modal-card__head h2 {
  margin-bottom: 6px;
  font-size: 20px;
  letter-spacing: -0.035em;
}

.modal-card__head p {
  max-width: 280px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.modal-close {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  color: var(--ink-soft);
  background: rgba(0, 0, 0, 0.04);
}

.modal-close:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.08);
}

.date-picker-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: end center;
  padding: 16px;
  background: rgba(16, 23, 52, 0.34);
  backdrop-filter: blur(5px);
}

.date-picker-card {
  width: min(100%, 500px);
  padding: 20px 18px calc(18px + var(--safe-bottom));
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(16, 23, 52, 0.24);
  animation: sheet-in 180ms ease-out;
}

.date-picker-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.date-picker-card__eyebrow {
  display: block;
  margin-bottom: 5px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.date-picker-card__head h2 {
  margin-bottom: 6px;
  font-size: 20px;
  letter-spacing: -0.035em;
}

.date-picker-card__head p {
  max-width: 300px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.date-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

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

.date-quick-option {
  display: grid;
  gap: 5px;
  min-height: 58px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  text-align: left;
  background: rgba(255, 255, 255, 0.2);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.date-quick-option:hover {
  border-color: rgba(9, 103, 219, 0.5);
  background: var(--blue-soft);
}

.date-quick-option:active {
  transform: scale(0.985);
}

.date-quick-option--active {
  border-color: rgba(9, 103, 219, 0.55);
  background: var(--blue-soft);
}

.date-quick-option strong {
  font-size: 13px;
  font-weight: 750;
}

.date-quick-option span {
  color: var(--ink-soft);
  font-size: 11px;
}

.date-picker-custom {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.date-picker-custom__label {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 12px;
}

.date-picker-custom__label .icon {
  color: var(--blue);
}

.date-picker-custom__input {
  width: 100%;
  min-height: 50px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
}

.date-picker-custom__input:focus {
  border-color: rgba(9, 103, 219, 0.55);
  box-shadow: 0 0 0 3px rgba(9, 103, 219, 0.1);
}

.date-picker-actions {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 8px;
  margin-top: 14px;
}

.scan-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 13px;
  border: 1px solid rgba(9, 103, 219, 0.16);
  border-radius: 15px;
  background: var(--blue-soft);
}

.scan-preview__icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.72);
}

.scan-preview__copy {
  display: grid;
  gap: 3px;
}

.scan-preview__copy strong {
  font-size: 13px;
}

.scan-preview__copy span {
  color: var(--ink-soft);
  font-size: 11px;
}

.toast {
  position: fixed;
  bottom: calc(84px + var(--safe-bottom));
  left: 50%;
  z-index: 50;
  max-width: min(88vw, 380px);
  padding: 11px 15px;
  transform: translate(-50%, 10px);
  border: 1px solid rgba(23, 35, 70, 0.1);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(23, 35, 70, 0.93);
  box-shadow: 0 10px 28px rgba(23, 35, 70, 0.22);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast--visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (max-width: 380px) {
  .screen {
    padding-inline: 14px;
  }

  .topbar {
    margin-inline: -14px;
    padding-inline: 14px;
  }

  .form-grid--two {
    grid-template-columns: 1fr;
  }

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

  .small-primary,
  .small-secondary {
    padding-inline: 11px;
  }
}

/* Screenshot-aligned detail form */
.screen--edit {
  padding: 0 10px 34px;
}

.screen--edit .topbar {
  min-height: 72px;
  margin-inline: -10px;
  padding-inline: 10px;
}

.screen--edit .topbar__title {
  font-size: 20px;
  letter-spacing: 0.02em;
}

.screen--edit form {
  padding-top: 17px;
}

.screen--edit .form-section {
  margin-top: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.screen--edit .form-section--basic {
  padding-bottom: 14px;
}

.screen--edit .form-section--maintenance {
  margin-top: 7px;
}

.screen--edit .form-section__title {
  justify-content: space-between;
  margin-bottom: 13px;
  font-size: 17px;
  font-weight: 780;
}

.screen--edit .form-section__title::before {
  width: 4px;
  height: 24px;
  margin-right: 1px;
  border-radius: 0;
  background: var(--blue);
  content: "";
}

.screen--edit .form-section__title > span:first-child {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-right: auto;
}

.screen--edit .form-section__title small {
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 500;
}

.scan-inline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 2px 0;
  color: var(--blue);
  background: transparent;
  font-size: 15px;
  font-weight: 600;
}

.scan-inline:hover {
  color: var(--blue-deep);
}

.maintenance-panel {
  padding: 12px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
}

.screen--edit .form-grid {
  gap: 10px 8px;
}

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

.filled-field {
  position: relative;
  display: block;
  min-height: 76px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.18);
}

.filled-field:focus-within {
  border-color: rgba(9, 103, 219, 0.55);
}

.filled-field__label {
  position: absolute;
  top: 10px;
  left: 14px;
  z-index: 1;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1;
  pointer-events: none;
}

.filled-field > .icon {
  position: absolute;
  top: 50%;
  right: 13px;
  color: var(--ink-muted);
  transform: translateY(-8%);
  pointer-events: none;
}

.filled-field .field__control--filled {
  width: 100%;
  height: 100%;
  min-height: 74px;
  padding: 28px 14px 8px 14px;
  border: 0;
  border-radius: 8px;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 16px;
}

.filled-field .field__control--filled:read-only {
  color: var(--ink);
  background: transparent;
}

.filled-field--select .field__control--filled {
  appearance: none;
  padding-top: 27px;
  padding-right: 39px;
}

.filled-field--select > .icon {
  color: var(--ink);
  transform: translateY(-4%);
}

.screen--edit .form-subtitle {
  margin: 0 0 9px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 760;
}

.screen--edit .form-divider {
  margin: 17px 0;
  background: var(--line);
}

.field--inline {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.18);
}

.field--inline:focus-within {
  border-color: rgba(9, 103, 219, 0.55);
}

.inline-field__label {
  flex: 0 0 auto;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.field--date > .icon {
  flex: 0 0 auto;
  color: var(--ink);
}

.field--date {
  gap: 6px;
  padding-inline: 10px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.field--date:hover {
  border-color: rgba(9, 103, 219, 0.5);
  background: rgba(233, 241, 255, 0.28);
}

.field--date .inline-field__label {
  font-size: 11px;
}

.field--date .field__control--inline {
  overflow: hidden;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: -0.25px;
  white-space: nowrap;
}

.field--inline .field__control--inline {
  min-width: 0;
  flex: 1;
  min-height: 54px;
  padding: 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
}

.field--inline textarea.field__control--inline {
  min-height: 54px;
  padding-block: 15px;
  resize: vertical;
  line-height: 1.45;
}

.post-maintenance-fields {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.screen--edit .save-bar {
  padding: 14px 0 0;
}

.screen--edit .save-button {
  min-height: 60px;
  border-radius: 9px;
  box-shadow: none;
  font-size: 20px;
  letter-spacing: 0.04em;
}

@media (max-width: 380px) {
  .screen--edit {
    padding-inline: 14px;
  }

  .screen--edit .topbar {
    margin-inline: -14px;
    padding-inline: 14px;
  }

  .screen--edit .form-grid--two {
    grid-template-columns: 1fr;
  }

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

}

@media (max-width: 420px) {
  .screen--edit .form-grid--two .field--date {
    grid-column: 1 / -1;
  }
}

/* Screenshot-aligned home screen */
.screen--home {
  padding: 0 20px calc(94px + var(--safe-bottom));
}

.screen--home .device-card {
  gap: 10px;
  padding: 11px 10px;
  border-radius: 9px;
  background: transparent;
  box-shadow: none;
}

.screen--home .device-card__mark {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(9, 103, 219, 0.2);
  border-radius: 8px;
  background: transparent;
}

.screen--home .device-card__title {
  font-size: 13px;
}

.screen--home .device-card__meta {
  font-size: 11px;
}

.screen--home .device-card__tail {
  gap: 4px;
}

.screen--home .bottom-nav {
  padding-inline: 20px;
  box-shadow: none;
}

.screen--home .nav-item {
  border-radius: 0;
}

.screen--home .nav-item--active {
  font-weight: 750;
}

@media (max-width: 380px) {
  .screen--home {
    padding-inline: 14px;
  }

  .date-picker-layer {
    padding: 10px;
  }

  .date-picker-card {
    padding-inline: 14px;
  }

  .date-quick-grid {
    gap: 6px;
  }

  .date-quick-option {
    padding-inline: 8px;
  }
}

/* ui-layouts reference style: practical warehouse ledger language, no device frame */
:root {
  --canvas: #eef1f5;
  --surface: #f8fafc;
  --surface-strong: #ffffff;
  --ink: #1f2937;
  --ink-soft: #667085;
  --ink-muted: #8791a1;
  --line: #d8dee8;
  --line-strong: #c6cfdb;
  --blue: #1d4ed8;
  --blue-deep: #1e40af;
  --blue-soft: #eaf1ff;
  --green: #15803d;
  --green-soft: #edf8f0;
  --red: #b91c1c;
  --red-soft: #fff1f1;
  --radius-md: 10px;
  --radius-sm: 8px;
}

body {
  background: var(--canvas);
}

.app-shell {
  background: var(--canvas);
}

.screen--home,
.screen--records {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 0 12px calc(84px + var(--safe-bottom));
  background: var(--canvas);
}

.screen--home .topbar,
.screen--devices .topbar,
.screen--records .topbar,
.screen--device-history .topbar,
.screen--edit .topbar {
  min-height: 72px;
  margin-inline: -12px;
  padding: calc(env(safe-area-inset-top, 0px) + 16px) 14px 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #f7f9fc 0%, #eef1f5 100%);
  box-shadow: none;
  backdrop-filter: none;
}

.screen--home .topbar__title,
.screen--devices .topbar__title,
.screen--records .topbar__title,
.screen--device-history .topbar__title,
.screen--edit .topbar__title {
  font-size: 18px;
  letter-spacing: 0.01em;
}

.home-content {
  display: grid;
  gap: 12px;
  padding-top: 12px;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.status-box {
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.status-box strong {
  display: block;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.status-box span {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 12px;
}

.home-section {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.section__hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.section__hd h2 {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.section__hd span {
  color: var(--ink-soft);
  font-size: 12px;
}

.home-section--recent .list {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.record__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.record__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 12px;
}

.record__bottom {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 12px;
}

.record__bottom > span:last-child {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-align: right;
}

.badge {
  flex: 0 0 auto;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge.ok {
  color: var(--green);
  background: var(--green-soft);
}

.badge.wait {
  color: #b45309;
  background: #fff7ed;
}

.badge.stop {
  color: var(--red);
  background: var(--red-soft);
}

.screen--home .device-card {
  display: block;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-align: left;
  background: #ffffff;
  box-shadow: none;
}

.screen--home .device-card:hover {
  border-color: var(--line-strong);
  background: #fbfdff;
  transform: none;
}

.screen--home .device-card__body {
  display: grid;
  gap: 0;
}

.screen--home .device-card__title {
  display: block;
  overflow: hidden;
  font-size: 14px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.screen--home .empty-state {
  grid-column: 1 / -1;
  border: 0;
  border-radius: 0;
  background: #ffffff;
}

.screen--home .bottom-nav,
.screen--records .bottom-nav,
.screen--device-history .bottom-nav {
  padding: 8px 6px calc(8px + var(--safe-bottom));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
  backdrop-filter: none;
}

.screen--home .nav-item,
.screen--records .nav-item {
  min-height: 52px;
  border-radius: 8px;
}

.screen--records .topbar__title {
  font-size: 18px;
}

.screen--records .history-summary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 16px;
}

.screen--records .summary-card {
  padding: 12px 10px;
}

.screen--records .summary-card__value,
.screen--records .summary-card__label {
  display: none;
}

.screen--records .history-list {
  gap: 8px;
}

.screen--records .history-card {
  border-radius: 8px;
  background: #ffffff;
  box-shadow: none;
}

@media (max-width: 380px) {
  .screen--home,
  .screen--records {
    padding-inline: 12px;
  }

  .screen--home .topbar,
  .screen--devices .topbar,
  .screen--records .topbar,
  .screen--device-history .topbar,
  .screen--edit .topbar {
    margin-inline: -12px;
  }

  .status-strip,
  .screen--records .history-summary {
    grid-template-columns: 1fr;
  }

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

  .record__bottom > span:last-child {
    text-align: left;
  }
}

/* Detail screen follows the same sectioned business-panel language. */
.screen--edit {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 0 12px 30px;
  background: var(--canvas);
}

.screen--edit .topbar__title {
  font-size: 18px;
  letter-spacing: 0.01em;
}

.screen--edit form {
  display: grid;
  gap: 12px;
  padding-top: 12px;
}

.screen--edit .form-section {
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.screen--edit .form-section__title {
  min-height: 42px;
  margin: 0;
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.screen--edit .form-section__title::before {
  display: none;
}

.screen--edit .form-section__title > span:first-child {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  margin-right: auto;
}

.screen--edit .form-section__title small {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 500;
}

.screen--edit .scan-inline {
  padding: 0;
  color: var(--blue);
  font-size: 12px;
  font-weight: 600;
}

.screen--edit .form-section--basic > .form-grid {
  padding: 12px;
}

.screen--edit .form-section--acceptance > .form-grid,
.screen--edit .form-section--acceptance > .acceptance-checks {
  padding: 12px;
}

.acceptance-checks {
  display: grid;
  gap: 10px;
}

.screen--edit .maintenance-panel {
  padding: 12px;
  border: 0;
  border-radius: 0;
  background: #ffffff;
}

.screen--edit .form-subtitle {
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.screen--edit .form-divider {
  margin: 12px 0;
  background: var(--line);
}

.screen--edit .filled-field {
  min-height: 62px;
  border-radius: 8px;
  background: #ffffff;
}

.screen--edit .filled-field .field__control--filled {
  min-height: 60px;
  padding: 23px 12px 7px;
  font-size: 14px;
}

.screen--edit .filled-field__label {
  top: 8px;
  left: 12px;
  font-size: 11px;
}

.screen--edit .filled-field--select .field__control--filled {
  padding-top: 22px;
  padding-right: 35px;
}

.screen--edit .field--inline {
  min-height: 48px;
  padding-inline: 11px;
  border-radius: 8px;
  background: #ffffff;
}

.screen--edit .field--inline .field__control--inline {
  min-height: 46px;
  font-size: 13px;
}

.screen--edit .field--inline textarea.field__control--inline {
  min-height: 74px;
  padding-block: 12px;
}

.screen--edit .field--date .field__control--inline {
  font-size: 12px;
}

.screen--edit .form-section--post .form-section__title {
  justify-content: space-between;
}

.screen--edit .post-maintenance-fields {
  gap: 8px;
  margin: 0;
  padding: 12px;
}

.screen--edit .save-bar {
  padding: 0;
}

.screen--edit .save-button {
  min-height: 48px;
  border-radius: 8px;
  box-shadow: none;
  font-size: 15px;
}

@media (max-width: 380px) {
  .screen--edit {
    padding-inline: 12px;
  }

  .screen--edit .topbar {
    margin-inline: -12px;
  }
}

.modal-card,
.date-picker-card {
  border-color: var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
}

.modal-close {
  border-radius: 8px;
  background: var(--surface);
}

.scan-preview {
  border-color: var(--line);
  border-radius: 8px;
  background: #fafbfc;
}

.date-quick-option {
  border-radius: 8px;
  background: #ffffff;
}

.date-picker-custom__input {
  border-radius: 8px;
}

.scan-camera {
  position: relative;
  display: grid;
  min-height: 196px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f4f6fa;
}

.scan-camera video {
  display: none;
  width: 100%;
  height: 100%;
  min-height: 196px;
  object-fit: cover;
}

.scan-camera--active video {
  display: block;
}

.scan-camera__placeholder {
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 22px;
  color: var(--ink-soft);
  text-align: center;
}

.scan-camera__placeholder strong {
  color: var(--ink);
  font-size: 14px;
}

.scan-camera__placeholder span:last-child {
  font-size: 12px;
}

.scan-camera--active .scan-camera__placeholder {
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  padding: 9px 12px;
  color: #ffffff;
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.72));
}

.scan-camera--active .scan-camera__placeholder .scan-preview__icon {
  display: none;
}

.scan-camera--active .scan-camera__placeholder strong {
  color: #ffffff;
}

.scan-camera--error {
  border-color: rgba(183, 54, 54, 0.32);
  background: #fff8f8;
}

.scan-camera__frame {
  position: absolute;
  width: 164px;
  height: 164px;
  border: 2px solid var(--blue);
  border-radius: 12px;
  box-shadow: 0 0 0 999px rgba(15, 23, 42, 0.08);
  pointer-events: none;
}

.scan-error {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(183, 54, 54, 0.2);
  border-radius: 10px;
  color: #a62f2f;
  background: #fff5f5;
  font-size: 12px;
  line-height: 1.55;
}

.scan-error .icon {
  flex: 0 0 auto;
  margin-top: 1px;
}

.scan-retry {
  width: 100%;
  margin-top: 10px;
}

.captured-device-fields {
  margin: 0 12px 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.captured-device-fields__title {
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
}

.captured-device-fields__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.captured-device-field {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.captured-device-field span {
  color: var(--ink-soft);
  font-size: 11px;
}

.captured-device-field strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Information architecture: workbench, device archive, maintenance history. */
.bottom-nav {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.section__link {
  padding: 2px 0;
  color: var(--blue);
  background: transparent;
  font-size: 12px;
  font-weight: 650;
}

.section__link:hover {
  color: var(--blue-deep);
}

.workbench-action-grid {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.workbench-action {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 68px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-align: left;
  background: #ffffff;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.workbench-action:hover {
  border-color: #b9cbed;
  background: #fbfdff;
  transform: translateY(-1px);
}

.workbench-action:active {
  transform: translateY(1px);
}

.workbench-action--primary {
  border-color: #b9cbed;
  background: #f3f7ff;
}

.workbench-action > .icon:last-child {
  color: var(--ink-muted);
}

.workbench-action__icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 7px;
  color: var(--blue);
  background: var(--blue-soft);
}

.workbench-action__copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.workbench-action__copy strong {
  font-size: 14px;
  font-weight: 760;
}

.workbench-action__copy small {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.backup-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
}

.backup-action {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 68px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-align: left;
  background: #ffffff;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.backup-action:hover {
  border-color: #b9cbed;
  background: #fbfdff;
  transform: translateY(-1px);
}

.backup-action:active {
  transform: translateY(1px);
}

.backup-action--primary {
  border-color: #b9cbed;
  background: #f3f7ff;
}

.backup-action__icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 7px;
  color: var(--blue);
  background: var(--blue-soft);
}

.backup-action__copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.backup-action__copy strong {
  overflow: hidden;
  font-size: 14px;
  font-weight: 760;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.backup-action__copy small {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.backup-file-input {
  display: none;
}

.screen--devices {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 0 12px calc(84px + var(--safe-bottom));
  background: var(--canvas);
}

.screen--devices .topbar__title {
  font-size: 18px;
}

.devices-content {
  display: grid;
  gap: 12px;
  padding-top: 12px;
}

.devices-toolbar {
  display: grid;
  gap: 8px;
}

.devices-search-form .search-field {
  min-height: 46px;
  border-radius: 8px;
  background: #ffffff;
}

.devices-search-form > .small-primary {
  min-height: 42px;
  border-radius: 8px;
}

.devices-scan-button {
  width: 100%;
  border-radius: 8px;
}

.devices-list-heading {
  margin: 8px 0 0;
}

.devices-list--archive {
  gap: 8px;
}

.screen--devices .device-card {
  display: block;
  width: 100%;
  padding: 13px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-align: left;
  background: #ffffff;
  box-shadow: none;
}

.screen--devices .device-card:hover {
  border-color: var(--line-strong);
  background: #fbfdff;
  transform: translateY(-1px);
}

.screen--devices .device-card__body {
  display: grid;
  gap: 0;
}

.screen--devices .device-card__title {
  display: block;
  overflow: hidden;
  font-size: 14px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.screen--devices .empty-state {
  border-radius: 8px;
  background: #ffffff;
}

.screen--devices .bottom-nav {
  padding: 8px 6px calc(8px + var(--safe-bottom));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
  backdrop-filter: none;
}

.screen--devices .nav-item {
  min-height: 52px;
  border-radius: 8px;
}

.device-card__main {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  color: inherit;
  text-align: left;
  background: transparent;
}

.device-card__history {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 7px;
  margin-top: 11px;
  padding: 10px 0 0;
  border-top: 1px solid var(--line);
  color: var(--blue);
  background: transparent;
  font-size: 12px;
  font-weight: 650;
  text-align: left;
}

.device-card__history-icon {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 7px;
  background: var(--blue-soft);
}

.device-card__history-label {
  flex: 1;
}

.device-card__history-count {
  color: var(--ink-muted);
  font-weight: 500;
}

.screen--device-history {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 0 12px calc(84px + var(--safe-bottom));
  background: var(--canvas);
}

.device-history-content {
  display: grid;
  gap: 16px;
  padding-top: 16px;
}

.device-history-overview {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
}

.device-history-overview__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.device-history-overview__eyebrow,
.device-history-record__index {
  display: block;
  color: var(--ink-muted);
  font-size: 12px;
}

.device-history-overview h2 {
  margin: 5px 0 4px;
  font-size: 17px;
  font-weight: 750;
}

.device-history-overview p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.device-history-overview__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.device-history-overview__stats span {
  display: grid;
  gap: 5px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.device-history-overview__stats small {
  color: var(--ink-muted);
  font-size: 11px;
}

.device-history-overview__stats strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.device-history-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 14px;
  padding: 10px 0 0;
  border-top: 1px solid var(--line);
  color: var(--blue);
  background: transparent;
  font-size: 13px;
  font-weight: 650;
  text-align: left;
}

.device-history-heading {
  margin-bottom: 0;
}

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

.device-history-record {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #ffffff;
}

.device-history-record__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.device-history-record__top strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.device-history-record__meta {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  color: var(--ink-muted);
  font-size: 12px;
}

.device-history-record__meta strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.device-history-record p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.screen--device-history .empty-state {
  border-radius: 9px;
  background: #ffffff;
}

@media (max-width: 380px) {
  .workbench-action-grid {
    gap: 6px;
  }

  .screen--devices {
    padding-inline: 12px;
  }

  .screen--devices .topbar {
    margin-inline: -12px;
  }
}