:root {
      --navy: #12344d;
      --blue: #1565c0;
      --light-blue: #eaf3fb;
      --green: #167c3a;
      --green-light: #e7f5ec;
      --red: #b3261e;
      --red-light: #fcebea;
      --orange: #a85b00;
      --orange-light: #fff1df;
      --gray: #667085;
      --border: #d7dee7;
      --background: #f4f7fa;
      --white: #ffffff;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      background: var(--background);
      color: #17212b;
      font-family: Arial, Helvetica, sans-serif;
    }
    body.modal-open { overflow: hidden; }
    .header {
      background: var(--navy);
      color: var(--white);
      padding: 24px 18px;
    }
    .header-inner { max-width: 1100px; margin: 0 auto; }
    .header h1 { margin: 0 0 6px; font-size: 28px; }
    .header p { margin: 0; opacity: 0.88; }
    .container { max-width: 1100px; margin: 0 auto; padding: 20px 16px 40px; }
    .summary-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-bottom: 18px;
    }
    .summary-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 18px;
      box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
    }

    .summary-label {
      color: var(--gray);
      font-size: 13px;
      font-weight: bold;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .summary-number { margin-top: 6px; font-size: 32px; font-weight: bold; }
    .controls {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 12px;
      margin-bottom: 18px;
    }
    input, select, textarea {
      width: 100%;
      padding: 11px 13px;
      border: 1px solid var(--border);
      border-radius: 9px;
      background: var(--white);
      font: inherit;
    }
    input, select { min-height: 48px; }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus {
      outline: 2px solid #9ec9ec;
      border-color: var(--blue);
    }
    .status-message { padding: 30px; text-align: center; color: var(--gray); }
    .gear-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .gear-card {
      display: flex;
      flex-direction: column;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 16px;
      box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
    }
    .gear-card h2 { margin: 10px 0 4px; font-size: 20px; }
    .item-id { color: var(--gray); font-size: 13px; font-weight: bold; }
    .category { color: var(--gray); font-size: 14px; margin-bottom: 14px; }
    .badge {
      display: inline-block;
      align-self: flex-start;
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: bold;
      text-transform: uppercase;
    }
    .badge-available { color: var(--green); background: var(--green-light); }
    .badge-out { color: var(--red); background: var(--red-light); }
    .badge-other { color: var(--orange); background: var(--orange-light); }
    .detail { margin: 5px 0; font-size: 14px; }
    .detail strong { display: inline-block; min-width: 82px; }
    .notes {
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid #edf0f3;
      color: #475467;
      font-size: 14px;
    }
    .action-button, .primary-button, .secondary-button {
      border: none;
      border-radius: 8px;
      padding: 11px 14px;
      font-size: 15px;
      font-weight: bold;
      cursor: pointer;
    }
    .action-button { margin-top: auto; }
    .checkout-button, .primary-button { color: var(--white); background: var(--blue); }
    .return-button { color: var(--white); background: var(--navy); }
    .secondary-button { color: #344054; background: #edf1f5; }
    button:disabled { cursor: not-allowed; opacity: 0.55; }
    .modal-overlay {
      position: fixed;
      inset: 0;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 18px;
      background: rgba(15, 23, 42, 0.62);
      z-index: 1000;
    }
    .modal-overlay.visible { display: flex; }
    .modal {
      width: 100%;
      max-width: 520px;
      max-height: 92vh;
      overflow-y: auto;
      background: var(--white);
      border-radius: 14px;
      box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
    }
    .modal-header { padding: 20px 20px 10px; }
    .modal-header h2 { margin: 0 0 5px; }
    .modal-item { color: var(--gray); font-size: 14px; }
    .modal-body { padding: 10px 20px 20px; }
    .form-group { margin-bottom: 15px; }
    .form-group label {
      display: block;
      margin-bottom: 6px;
      font-size: 14px;
      font-weight: bold;
    }
    .required { color: var(--red); }
    .modal-actions {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      margin-top: 18px;
    }
    .form-message {
      display: none;
      margin-top: 12px;
      padding: 11px 12px;
      border-radius: 8px;
      font-size: 14px;
    }
    .form-message.error { display: block; color: var(--red); background: var(--red-light); }
    .form-message.success { display: block; color: var(--green); background: var(--green-light); }
    .toast {
      position: fixed;
      right: 18px;
      bottom: 18px;
      display: none;
      max-width: 360px;
      padding: 14px 16px;
      border-radius: 10px;
      color: var(--white);
      background: var(--green);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
      z-index: 2000;
    }
    .toast.visible { display: block; }
    @media (max-width: 820px) {
      .gear-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 600px) {
      .summary-grid, .controls, .gear-grid { grid-template-columns: 1fr; }
      .header h1 { font-size: 24px; }
      .modal-actions { flex-direction: column-reverse; }
      .modal-actions button { width: 100%; }
    }

    .toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin: -4px 0 18px;
    }
    .updated-text { color: var(--gray); font-size: 13px; }
    .refresh-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      border: 1px solid var(--border);
      border-radius: 9px;
      padding: 9px 14px;
      background: var(--white);
      color: var(--navy);
      font-size: 14px;
      font-weight: bold;
      cursor: pointer;
    }
    .refresh-button:hover { background: #eef4f8; }
    .refresh-icon { display: inline-block; font-size: 18px; line-height: 1; }
    .refresh-button.loading .refresh-icon { animation: spin 0.8s linear infinite; }
    .loading-panel, .error-panel {
      display: none;
      margin: 24px 0;
      padding: 28px 20px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--white);
      text-align: center;
      box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
    }
    .loading-panel.visible, .error-panel.visible { display: block; }
    .spinner {
      width: 34px;
      height: 34px;
      margin: 0 auto 14px;
      border: 4px solid #dce7ef;
      border-top-color: var(--blue);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }
    .loading-title, .error-title {
      margin: 0 0 6px;
      font-size: 18px;
      font-weight: bold;
    }
    .loading-detail, .error-detail {
      margin: 0 auto;
      max-width: 560px;
      color: var(--gray);
      font-size: 14px;
      line-height: 1.45;
    }
    .retry-button {
      margin-top: 16px;
      border: none;
      border-radius: 8px;
      padding: 11px 18px;
      color: var(--white);
      background: var(--blue);
      font-size: 15px;
      font-weight: bold;
      cursor: pointer;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    @media (max-width: 600px) {
      .toolbar { align-items: stretch; flex-direction: column; }
      .refresh-button { width: 100%; }
    }

.header-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.management-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 9px;
  padding: 10px 15px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
}
.management-button:hover {
  background: rgba(255, 255, 255, 0.18);
}
.management-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2500;
  visibility: hidden;
  opacity: 0;
  background: rgba(15, 23, 42, 0.58);
  transition: opacity 180ms ease, visibility 180ms ease;
}
.management-backdrop.visible {
  visibility: visible;
  opacity: 1;
}
.management-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 2600;
  width: min(430px, 100%);
  height: 100vh;
  overflow-y: auto;
  background: var(--background);
  box-shadow: -14px 0 42px rgba(15, 23, 42, 0.26);
  transform: translateX(105%);
  transition: transform 220ms ease;
}
.management-panel.visible {
  transform: translateX(0);
}
.management-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 22px 18px;
  color: var(--white);
  background: var(--navy);
}
.management-panel-header h2 {
  margin: 3px 0 0;
  font-size: 25px;
}
.management-eyebrow {
  opacity: 0.75;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}
.panel-close-button {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.management-panel-body {
  padding: 22px;
}
.management-login-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
}
.management-lock {
  margin-bottom: 10px;
  font-size: 30px;
}
.management-login-card h3 {
  margin: 0 0 7px;
  font-size: 21px;
}
.management-login-card p {
  margin: 0 0 20px;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.5;
}
.management-login-button {
  width: 100%;
}
.management-preview-message {
  display: none;
  margin-top: 14px;
  padding: 11px 12px;
  border-radius: 8px;
  color: var(--orange);
  background: var(--orange-light);
  font-size: 13px;
  line-height: 1.45;
}
.management-preview-message.visible {
  display: block;
}
.management-coming-soon {
  margin-top: 16px;
  padding: 14px 15px;
  border: 1px dashed #aebdca;
  border-radius: 10px;
  color: #475467;
  background: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  line-height: 1.5;
}
@media (max-width: 600px) {
  .header-layout {
    align-items: stretch;
    flex-direction: column;
  }
  .management-button {
    width: 100%;
  }
}

.management-authenticated-card{
    display:flex;
    flex-direction:column;
    gap:20px;
}

.management-authenticated-header{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:16px;
}

.management-authenticated-eyebrow{
    font-size:.75rem;
    text-transform:uppercase;
    letter-spacing:.08em;
    color:#6b7280;
    margin-bottom:4px;
}

.management-authenticated-header h3{
    margin:0;
    font-size:1.6rem;
}

.management-authenticated-header p{
    margin:8px 0 0;
    color:#64748b;
}

.management-tool-grid{
    display:grid;
    gap:14px;
}

.management-tool-button{
    display:flex;
    align-items:center;
    gap:18px;

    width:100%;

    padding:18px;

    border:1px solid #d7dde7;
    border-radius:14px;

    background:white;

    cursor:pointer;

    transition:.18s;
}

.management-tool-button:hover{
    border-color:#2b67b8;
    background:#f7fbff;
    transform:translateY(-2px);
}

.management-tool-icon{
    display:flex;
    align-items:center;
    justify-content:center;

    width:48px;
    height:48px;

    border-radius:12px;

    background:#2b67b8;
    color:white;

    font-size:1.35rem;

    flex-shrink:0;
}

.management-tool-content{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    text-align:left;
}

.management-tool-content strong{
    font-size:1rem;
    color:#1f2937;
}

.management-tool-content small{
    color:#6b7280;
    margin-top:4px;
}

.secondary-button{
    background:#e8eef8;
    color:#24436d;
    border:none;
    border-radius:10px;
    padding:10px 18px;
    font-weight:600;
    cursor:pointer;
}

.secondary-button:hover{
    background:#dbe7f7;
}

[hidden] {
    display: none !important;
}

#managementLoginCard[hidden],
#managementAuthenticatedCard[hidden],
#addItemView[hidden],
.management-tool-grid[hidden],
.management-authenticated-header[hidden] {
  display: none !important;
}

/* Management subview polish */
.management-subview-header {
  margin-bottom: 16px;
}

.management-back-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  padding: 0;
  margin: 0 0 8px;
  border: 0;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
}

.management-back-button:hover {
  text-decoration: underline;
}

.management-back-button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.management-subview-header h3 {
  margin: 0;
  font-size: 1.55rem;
}

.management-subview-header p {
  margin: 6px 0 0;
  color: #64748b;
  line-height: 1.45;
}


/* Complete management tools */
.management-subview { width: 100%; }
.admin-filter-row {
  display: grid;
  grid-template-columns: 1fr 135px;
  gap: 10px;
  margin-bottom: 14px;
}
.admin-item-list, .transaction-list {
  display: grid;
  gap: 10px;
}
.admin-item-card {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--white);
  text-align: left;
}
button.admin-item-card { cursor: pointer; }
button.admin-item-card:hover {
  border-color: var(--blue);
  background: #f7fbff;
}
.admin-item-main { min-width: 0; }
.admin-item-main strong {
  display: block;
  color: #1f2937;
  font-size: 15px;
}
.admin-item-meta {
  margin-top: 4px;
  color: var(--gray);
  font-size: 12px;
  line-height: 1.4;
}
.admin-item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.admin-state-badge {
  display: inline-block;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
}
.admin-state-active { color: var(--green); background: var(--green-light); }
.admin-state-retired { color: var(--red); background: var(--red-light); }
.admin-selected-item {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  background: var(--light-blue);
}
.admin-selected-item strong { display: block; }
.admin-selected-item span { color: var(--gray); font-size: 13px; }
.admin-inline-back {
  padding: 0;
  margin: 0 0 12px;
  border: 0;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
}
.field-help {
  display: block;
  margin-top: 5px;
  color: var(--gray);
  font-size: 12px;
}
.admin-empty {
  padding: 24px 12px;
  color: var(--gray);
  text-align: center;
}
.danger-button, .restore-button, .small-button {
  border: 0;
  border-radius: 8px;
  padding: 8px 11px;
  font-weight: bold;
  cursor: pointer;
}
.danger-button { color: var(--white); background: var(--red); }
.restore-button { color: var(--white); background: var(--green); }
.small-button { color: var(--navy); background: #e8eef8; }
.transaction-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 12px;
  color: var(--gray);
  font-size: 13px;
}
.transaction-card {
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--white);
}
.transaction-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.transaction-action { font-weight: bold; color: var(--navy); }
.transaction-time { color: var(--gray); font-size: 12px; text-align: right; }
.transaction-title { margin-top: 6px; font-weight: bold; }
.transaction-detail { margin-top: 4px; color: #475467; font-size: 13px; line-height: 1.4; }
.management-preview-message.success { color: var(--green); background: var(--green-light); }
.management-preview-message.error { color: var(--red); background: var(--red-light); }

@media (max-width: 520px) {
  .admin-filter-row { grid-template-columns: 1fr; }
  .admin-item-card { align-items: flex-start; flex-direction: column; }
  .admin-item-actions { width: 100%; }
  .admin-item-actions button { flex: 1; }
  .transaction-card-header { flex-direction: column; }
  .transaction-time { text-align: left; }
}

/* Grouped public inventory catalog */

.catalog-sections {
  display: grid;
  gap: 36px;
}

.catalog-section {
  min-width: 0;
}

.catalog-section-header {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

.catalog-section-title-row {
  display: flex;
  align-items: center;
  gap: 9px;
}

.catalog-section-header h2 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.catalog-section-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 27px;
  height: 27px;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--navy);
  background: #e7edf3;
  font-size: 12px;
  font-weight: bold;
}

.catalog-section-header p {
  margin: 6px 0 0;
  color: var(--gray);
  font-size: 13px;
}

.catalog-section-overdue
.catalog-section-header {
  border-bottom-color: #e7aaa5;
}

.catalog-section-overdue
.catalog-section-header h2 {
  color: var(--red);
}

.catalog-section-overdue
.catalog-section-count {
  color: var(--red);
  background: var(--red-light);
}

.gear-card-checked-out {
  border-left: 4px solid #d59b43;
}

.gear-card-overdue {
  border: 1px solid #e0a09b;
  border-left: 5px solid var(--red);
  background: #fffafa;
}

.gear-card-overdue-severe {
  border-color: #ce756e;
  background: #fff5f4;
}

.badge-overdue {
  color: var(--red);
  background: var(--red-light);
}

.overdue-detail {
  margin-top: 10px;
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--red);
  background: var(--red-light);
  font-size: 13px;
  font-weight: bold;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .catalog-sections {
    gap: 30px;
  }

  .catalog-section-header h2 {
    font-size: 16px;
  }
}