:root {
  color-scheme: dark;
  --bg: #0f1718;
  --panel: #141c20;
  --panel-border: #273437;
  --primary: #3dbb93;
  --primary-strong: #58d0a8;
  --positive-bg: #12382f;
  --positive-text: #72f0bd;
  --negative-bg: #3a2620;
  --negative-text: #ffb088;
  --danger-bg: #3b2023;
  --danger-text: #ff7f7f;
  --secondary-bg: #202a2e;
  --secondary-text: #c7d0d0;
  --chip-bg: #172331;
  --chip-text: #9db8d0;
  --chip-border: #2a4056;
  --paper: var(--bg);
  --surface: var(--panel);
  --surface-alt: #101719;
  --ink: #eef5ee;
  --muted: #9aa8a4;
  --line: var(--panel-border);
  --accent: var(--primary);
  --accent-strong: var(--primary-strong);
  --warn: var(--danger-text);
  --blue: var(--chip-text);
  --shelf: var(--negative-text);
  --on-primary: #07110d;
  --shadow: 0 16px 36px rgba(0, 0, 0, 0.26);
  --radius: 8px;
  --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.18);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background: var(--paper);
}

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

button {
  touch-action: manipulation;
}

.app-shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 14px max(34px, env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

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

h1 {
  font-size: 2rem;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  font-size: 1.05rem;
}

h3 {
  font-size: 1.05rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.stats span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(20, 28, 32, 0.78);
}

.stats span.syncing {
  border-color: var(--chip-border);
  color: var(--chip-text);
}

.app-nav {
  position: sticky;
  top: max(8px, env(safe-area-inset-top));
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15, 23, 24, 0.94);
  backdrop-filter: blur(14px);
}

.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 850;
}

.nav-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-button.active {
  border-color: var(--primary);
  color: var(--primary-strong);
  background: transparent;
}

.view-section {
  display: none;
}

.view-section.active-view {
  display: block;
}

.entry-panel,
.bin-panel,
.category-panel,
.update-panel,
.security-panel,
.search-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 14px;
  margin-bottom: 14px;
}

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

.section-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

form {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 12px;
}

.field {
  display: grid;
  gap: 5px;
}

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

.field span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #314145;
  border-radius: var(--radius);
  background: var(--surface-alt);
  color: var(--ink);
  padding: 10px 11px;
  min-height: 42px;
  outline: none;
}

input[type="file"] {
  padding: 9px 10px;
}

textarea {
  resize: vertical;
  line-height: 1.4;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 187, 147, 0.2);
}

.compact-form {
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  margin-bottom: 12px;
}

.photo-preview {
  display: grid;
  grid-template-columns: 86px minmax(0, max-content);
  align-items: center;
  gap: 10px;
}

.photo-preview img,
.item-photo {
  object-fit: cover;
  background: var(--secondary-bg);
}

.photo-preview img {
  width: 86px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.primary-button,
.small-button,
.text-button {
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 800;
}

.primary-button {
  min-height: 44px;
  min-width: 132px;
  padding: 0 16px;
  background: var(--primary);
  color: var(--on-primary);
}

.compact-primary {
  min-height: 36px;
  min-width: 0;
  padding: 0 12px;
  font-size: 0.86rem;
}

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

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.text-button {
  min-height: 34px;
  padding: 0 8px;
  color: var(--secondary-text);
  background: transparent;
  font-size: 0.88rem;
}

.text-button:hover {
  background: var(--secondary-bg);
}

.status {
  min-height: 22px;
  color: var(--muted);
  font-weight: 700;
}

.status.error {
  color: var(--warn);
}

.nfc-status {
  min-height: 18px;
  font-size: 0.78rem;
}

.search-head {
  margin-bottom: 10px;
}

.search-field {
  margin-bottom: 10px;
}

.result-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.filter-chips {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding: 0 0 10px;
  scrollbar-width: thin;
}

.filter-chip {
  flex: 0 0 auto;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  color: var(--chip-text);
  background: transparent;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 850;
}

.filter-chip.active {
  color: var(--on-primary);
  border-color: var(--primary);
  background: var(--primary);
}

.results,
.bin-list {
  display: grid;
  gap: 8px;
}

.bin-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.bin-label,
.category-label {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.bin-count,
.category-count-row {
  min-width: 58px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: right;
}

.move-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid #5b2a2f;
  border-radius: var(--radius);
  background: var(--danger-bg);
}

.update-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.update-grid div,
.security-grid div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--secondary-bg);
}

.update-grid span,
.security-grid span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.update-actions {
  margin-top: 12px;
}

.auth-shell {
  width: min(440px, 100%);
  min-height: 100vh;
  display: grid;
  align-items: center;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 14px max(34px, env(safe-area-inset-bottom));
}

.auth-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

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

.auth-message {
  line-height: 1.45;
}

.modal {
  width: min(430px, calc(100% - 28px));
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 40;
  width: min(360px, calc(100% - 28px));
  transform: translateX(-50%);
  padding: 11px 14px;
  border: 1px solid #1f6a58;
  border-radius: var(--radius);
  background: var(--positive-bg);
  color: var(--positive-text);
  box-shadow: var(--shadow);
  font-weight: 850;
  text-align: center;
}

.toast.error {
  border-color: #5b2a2f;
  background: var(--danger-bg);
  color: var(--danger-text);
}

.detail-modal {
  width: min(720px, calc(100% - 28px));
}

.modal::backdrop {
  background: rgba(5, 8, 10, 0.72);
}

.modal-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  width: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.modal-card .section-head {
  margin-bottom: 0;
}

.detail-card {
  max-height: min(86vh, 820px);
  overflow: auto;
}

.detail-head {
  align-items: flex-start;
}

.detail-subtitle {
  margin-top: 4px;
  color: var(--secondary-text);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.detail-photo {
  width: 100%;
  max-height: 58vh;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0b0f12;
}

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

.detail-grid div,
.detail-notes {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--secondary-bg);
}

.detail-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.detail-grid dd {
  margin: 3px 0 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.detail-notes {
  display: grid;
  gap: 6px;
}

.detail-notes h3 {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.detail-notes p {
  color: var(--secondary-text);
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.item-card {
  display: grid;
  gap: 7px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  cursor: pointer;
}

.item-card:focus-visible {
  outline: 3px solid rgba(61, 187, 147, 0.38);
  outline-offset: 2px;
}

.item-card:hover {
  border-color: var(--primary);
}

.item-card.pending-item {
  border-color: #5a382e;
  background: var(--negative-bg);
}

.item-card.has-photo {
  grid-template-columns: clamp(104px, 28%, 144px) minmax(0, 1fr);
  align-items: stretch;
  column-gap: 10px;
}

.item-card.has-photo .item-photo {
  grid-column: 1;
  grid-row: 1 / span 3;
  align-self: stretch;
}

.item-card.has-photo .item-main,
.item-card.has-photo .notes,
.item-card.has-photo .item-actions {
  grid-column: 2;
}

.item-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
}

.quantity-controls {
  display: grid;
  justify-items: stretch;
  align-self: start;
  gap: 6px;
  min-width: 36px;
}

.item-photo {
  width: 100%;
  height: 100%;
  min-height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.item-copy {
  min-width: 0;
}

.item-code {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 2px;
  padding: 2px 6px;
  border: 1px solid var(--chip-border);
  border-radius: 6px;
  background: var(--chip-bg);
  color: var(--chip-text);
  font-size: 0.72rem;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.item-name {
  font-size: 0.98rem;
}

.item-location {
  margin-top: 2px;
  color: var(--secondary-text);
  font-size: 0.86rem;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.quantity {
  width: 100%;
  min-height: 26px;
  display: inline-grid;
  place-items: center;
  border: 1px solid #ffffff;
  border-radius: var(--radius);
  background: #ffffff;
  color: #000000;
  font-size: 0.86rem;
  font-weight: 900;
}

.quantity-controls .small-button {
  min-width: 36px;
  min-height: 30px;
  padding: 0 7px;
}

.item-details {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.category {
  width: fit-content;
  max-width: 100%;
  padding: 1px 6px;
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  color: var(--chip-text);
  background: var(--chip-bg);
  overflow-wrap: anywhere;
}

.notes {
  color: var(--secondary-text);
  font-size: 0.84rem;
  line-height: 1.4;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

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

.small-button {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid #2f3f44;
  color: var(--secondary-text);
  background: var(--secondary-bg);
  font-size: 0.84rem;
}

.small-button:hover {
  background: #263337;
}

.small-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.plus-button {
  border-color: #1f6a58;
  color: var(--positive-text);
  background: var(--positive-bg);
}

.plus-button:hover {
  background: #17483d;
}

.minus-button {
  border-color: var(--chip-border);
  color: var(--chip-text);
  background: var(--chip-bg);
}

.minus-button:hover {
  background: #1d2d3f;
}

.tag-written {
  border-color: #1f6a58;
  color: var(--positive-text);
  background: var(--positive-bg);
}

.danger-button {
  border-color: #5a382e;
  color: var(--negative-text);
  background: var(--negative-bg);
}

.danger-button:hover {
  background: #493026;
}

.empty-state {
  margin-top: 10px;
  padding: 16px;
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
  font-weight: 800;
}

.hidden {
  display: none !important;
}

@media (min-width: 760px) {
  .app-shell {
    padding-top: 30px;
  }

  .entry-panel,
  .bin-panel,
  .category-panel,
  .update-panel,
  .security-panel,
  .search-panel {
    padding: 18px;
  }

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

@media (max-width: 520px) {
  body {
    padding-bottom: calc(82px + env(safe-area-inset-bottom));
  }

  .app-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .stats {
    justify-content: flex-start;
  }

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

  .compact-form,
  .move-panel,
  .update-grid,
  .security-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .app-shell {
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: max(92px, calc(92px + env(safe-area-inset-bottom)));
  }

  .app-nav {
    position: fixed;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: center;
    gap: 6px;
    min-height: calc(72px + env(safe-area-inset-bottom));
    padding: 8px 10px max(8px, env(safe-area-inset-bottom));
    margin: 0;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 14px 14px 0 0;
    background: var(--paper);
    backdrop-filter: none;
  }

  .nav-button {
    flex-direction: column;
    gap: 5px;
    min-width: 0;
    min-height: 52px;
    padding: 6px 4px 5px;
    border: 1px solid transparent;
    font-size: 0.68rem;
    line-height: 1;
  }

  .nav-icon {
    width: 21px;
    height: 21px;
  }

  .nav-button.active {
    border-color: var(--primary);
    color: var(--primary-strong);
    background: transparent;
  }

  .detail-photo {
    max-height: 48vh;
  }

  .bin-count,
  .category-count-row {
    text-align: left;
  }

  .bin-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .bin-row .item-actions {
    grid-column: 1 / -1;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }

  .status {
    min-height: 18px;
  }

  .item-main,
  .item-card.has-photo .item-main {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}