:root {
  --bg: #f4f7f9;
  --panel: rgba(255, 255, 255, 0.94);
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #0c3f8f;
  --secondary: #0b5d4a;
  --border: #d1d5db;
  --danger: #b91c1c;
  --accent: #f59e0b;
  --ink-blue: #0f2b63;
  --soft-blue: #edf3ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: #10233d;
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 26, 49, 0.72), rgba(10, 26, 49, 0.72)),
    url("assets/bg.jpg");
  background-position: center, center top;
  background-repeat: no-repeat, no-repeat;
  background-size: cover, 100% auto;
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.16), transparent 36%),
    radial-gradient(circle at 85% 10%, rgba(152, 204, 255, 0.14), transparent 30%);
  z-index: -1;
  pointer-events: none;
}

.govBanner {
  width: 100%;
  padding: 4px 0;
  background: #123b91;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.govBanner img {
  display: block;
  width: 100%;
  max-height: 150px;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95), rgba(244, 248, 255, 0.94));
  border-bottom: 1px solid var(--border);
  box-shadow: 0 10px 26px rgba(10, 26, 49, 0.2);
  position: sticky;
  top: 0;
  z-index: 35;
}

.topbar h1 { margin: 0; font-size: 1.35rem; }
.topbar p { margin: 4px 0 0; color: var(--muted); }

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

.pill {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  background: #e9f5ff;
  border: 1px solid #b7ddff;
}

.page {
  padding: 18px;
}

.pageIndex.isLogin .page {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 42px;
  padding-bottom: 42px;
}

.pageIndex #loginSection {
  margin: 0;
}

#appSection {
  width: 100%;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  backdrop-filter: blur(2px);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.15);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #2f6ed7, var(--accent));
  opacity: 0.9;
}

.addUpdatePanel {
  max-width: 1120px;
  width: min(1120px, calc(100vw - 36px));
  margin: 0;
  justify-self: start;
  overflow-x: hidden;
}

.pageIndex .addUpdatePanel {
  max-width: 100%;
  width: 100%;
}

.addUpdatePanel .formGrid3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.authPanel { max-width: 420px; }
.loginHeroPanel {
  max-width: 460px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(240, 246, 255, 0.94));
  box-shadow: 0 16px 38px rgba(8, 24, 47, 0.28);
}

.loginHeroHead h2 {
  margin: 0;
  font-size: 1.35rem;
  color: #102c63;
}

.loginHeroHead p {
  margin: 6px 0 0;
  color: #4b5563;
  font-size: 0.92rem;
}

.loginBadgeRow {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 10px 0 4px;
}

.loginBadge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #0f3f8e;
  border: 1px solid #b8cdf1;
  background: #ecf4ff;
}

#loginForm .btn.primary {
  margin-top: 2px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 6px 14px rgba(12, 63, 143, 0.26);
}

.authLinks {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  margin-top: 6px;
  font-size: 0.9rem;
}

.authLinksSep {
  color: #9ca3af;
}

.linkBtn {
  background: transparent;
  border: 0;
  padding: 0;
  color: #0c3f8f;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.linkBtn:hover {
  color: #0a3170;
}
h2 { margin-top: 0; font-size: 1.1rem; }
h3 { color: #1e335b; }

form { display: grid; gap: 10px; }
label { display: grid; gap: 5px; font-size: 0.92rem; }

.formSectionTitle {
  margin: 14px 0 4px;
  padding-top: 10px;
  border-top: 1px solid #d1d5db;
  font-size: 1.02rem;
}

.formGrid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 12px;
}

.formGrid3 > label {
  min-width: 0;
}

.formGrid3 .blockCheck {
  align-self: end;
  min-height: 44px;
}

input, select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(12, 63, 143, 0.25);
  outline-offset: 1px;
  border-color: #8ab0e6;
  box-shadow: 0 0 0 3px rgba(12, 63, 143, 0.12);
  background: #fbfdff;
}

.actions { display: flex; gap: 8px; margin-top: 6px; }

.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  letter-spacing: 0.01em;
}

.btn.primary { background: var(--primary); color: #fff; }
.btn.secondary { background: var(--secondary); color: #fff; }
.btn.ghost { background: #f3f4f6; color: var(--text); }
.btn.danger { background: var(--danger); color: #fff; }

.btn {
  transition: transform 0.12s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.16);
  filter: saturate(1.03);
}

.btn:active {
  transform: translateY(0);
}

.tableHead {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 4px 0;
}

.tableTools {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: nowrap;
  width: 100%;
}

.tableTools input {
  flex: 1;
  min-width: 260px;
  max-width: 420px;
}

.inlineCheck {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: #374151;
}

.inlineCheck input {
  width: auto;
  margin: 0;
}

.tableTools .btn {
  white-space: nowrap;
}

.tableActionsGroup {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: nowrap;
}

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

.importMetaActions {
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

#deleteImportBtn {
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.1;
  background: #b91c1c;
  box-shadow: 0 3px 10px rgba(185, 28, 28, 0.22);
}

#restoreImportBtn {
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.1;
}

#deleteImportBtn:hover:not(:disabled) {
  background: #991b1b;
}

#deleteImportBtn:disabled {
  cursor: not-allowed;
  background: #e5e7eb;
  color: #6b7280;
  box-shadow: none;
  transform: none;
}

.btnImport {
  background: #eef4ff;
  color: #173a7a;
  border: 1px solid #bcd0f5;
}

.btnViewImported {
  background: #edf8f3;
  color: #0f5132;
  border: 1px solid #bfe7d0;
}

.btnExport {
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.28);
}

.navActive {
  background: #e8f1ff;
  border: 1px solid #b9cff2;
  color: #173a7a;
  font-weight: 600;
}

.btnInventoryNav {
  background: #0c3f8f;
  color: #ffffff;
  border: 1px solid #0a377d;
  font-weight: 600;
}

.btnInventoryNav:hover {
  background: #0a377d;
}

.stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.stat {
  background: linear-gradient(180deg, #f9fbff, #eef4fb);
  border: 1px solid #c9d7ea;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #173a7a;
}

.tableWrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.scrollSyncTop {
  position: sticky;
  top: 0;
  z-index: 6;
  height: 22px;
  overflow-x: auto;
  overflow-y: hidden;
  background: #e7eef8;
  border: 1px solid #cbd5e1;
  margin-bottom: 6px;
  border-radius: 8px;
}

#importScrollTopInner {
  height: 2px;
}

#inventoryScrollTop {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 12px;
  z-index: 40;
  margin-top: 0;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.24);
}

#inventoryScrollTopInner {
  height: 2px;
}

.pageInventory .page {
  padding-bottom: 64px;
}

.pageInventory .panel { overflow-x: hidden; overflow-y: visible; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 9px 8px;
  vertical-align: top;
}

thead th {
  background: linear-gradient(180deg, #f3f7fe, #eaf1fb);
  color: #1e335b;
}

/* Keep inventory column headers visible while page scrolls */
.inventoryTable {
  border-collapse: separate;
  border-spacing: 0;
}

.inventoryTable thead th {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #1f6b4f;
  color: #ffffff;
  border: 1px solid #184f3a;
  box-shadow: none;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 8px 7px;
  white-space: nowrap;
}

td .rowActions { display: flex; gap: 6px; }

.rowDeleted td {
  opacity: 0.72;
}

.statusTag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.statusTag.active {
  color: #0b5d4a;
  background: #e8f7f2;
  border-color: #b4e8d6;
}

.statusTag.deleted {
  color: #991b1b;
  background: #fee2e2;
  border-color: #fecaca;
}

.inventoryTable {
  width: max-content;
  min-width: 3200px;
}

.inventoryTable th,
.inventoryTable td {
  white-space: nowrap;
}

.inventoryTable td {
  border: 1px solid #c5ced6;
  font-size: 0.76rem;
  padding: 6px 7px;
  background: #f8fafc;
  vertical-align: top;
}

.inventoryTable tr:nth-child(even) td {
  background: #f1f5f9;
}

.inventoryTable td .rowActions {
  min-width: 120px;
  justify-content: flex-start;
}

.hint { color: var(--muted); font-size: 0.9rem; }
.hidden { display: none; }

body.modalOpen {
  overflow: hidden;
}

.modalOverlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 26, 49, 0.68);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 80;
}

.modalOverlay.hidden {
  display: none;
}

.modalCard {
  width: min(520px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  overflow: auto;
}

.modalHead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

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

.modalBodyText {
  margin: 8px 0 0;
  color: #374151;
  line-height: 1.45;
}

/* Excel-like style for imported CSV view */
#importMeta {
  color: #475569;
  font-size: 0.82rem;
}

#importedCsvHead th {
  background: #1f6b4f;
  color: #ffffff;
  border: 1px solid #184f3a;
  font-size: 0.78rem;
  font-weight: 700;
  min-width: 150px;
  padding: 8px 7px;
  vertical-align: top;
  white-space: normal;
}

#importedCsvBody td {
  border: 1px solid #c5ced6;
  font-size: 0.76rem;
  padding: 6px 7px;
  white-space: nowrap;
  background: #f8fafc;
}

#importedCsvBody tr:nth-child(even) td {
  background: #f1f5f9;
}

.tableWrap::-webkit-scrollbar,
.scrollSyncTop::-webkit-scrollbar {
  height: 12px;
  width: 12px;
}

.tableWrap::-webkit-scrollbar-thumb,
.scrollSyncTop::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, #9fb6dc, #7e9ac8);
  border-radius: 999px;
  border: 2px solid #e8eef8;
}

.tableWrap::-webkit-scrollbar-track,
.scrollSyncTop::-webkit-scrollbar-track {
  background: #e8eef8;
  border-radius: 999px;
}

#importedCsvBody td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: #fffbe6;
}

@media (max-width: 980px) {
  .page { padding: 14px; }
  .pageIndex.isLogin .page { padding-top: 22px; padding-bottom: 22px; }
  .topbar { padding: 12px 14px; }
  .govBanner img { height: clamp(64px, 14vw, 110px); }
  .formGrid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tableTools { flex-wrap: wrap; }
  .tableTools input { max-width: 100%; min-width: 220px; }
  .tableActionsGroup { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .inventoryTable thead th { top: 0; }
}

@media (max-width: 600px) {
  .govBanner img { height: clamp(58px, 17vw, 90px); }
  .pageIndex.isLogin .page { padding-top: 16px; padding-bottom: 16px; }
  .topbar h1 { font-size: 1.1rem; }
  .topbar p { font-size: 0.9rem; }
  .inventoryTable thead th { top: 0; }
  .formGrid3 { grid-template-columns: 1fr; }
  #importedCsvHead th { min-width: 120px; font-size: 0.72rem; }
  #importedCsvBody td { font-size: 0.72rem; }
}