html {
  font-size: clamp(14px, 2.8vw, 16px);
}

:root {
  --color-bg: #f0f4f8;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-soft: #eff6ff;
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;
  --color-danger: #b91c1c;
  --color-danger-hover: #991b1b;
  --color-danger-bg: #fef2f2;
  --color-header: #b8cce4;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.1);
  --radius: 10px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", sans-serif;
  background: var(--color-bg);
  background-image:
    radial-gradient(ellipse at 0% 0%, rgba(37, 99, 235, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(37, 99, 235, 0.04) 0%, transparent 50%);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.5;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
}

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.page-header .page-subtitle {
  margin-top: 0.35rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.toolbar-user {
  justify-content: space-between;
}

.user-badge {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.page-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 1.75rem 1.5rem;
}

.auth-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.auth-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.auth-submit {
  width: 100%;
  margin-top: 0.75rem;
}

.password-panel {
  max-width: 420px;
  margin: 2rem auto 0;
}

.page-message {
  margin-bottom: 0;
  grid-column: 1 / -1;
}

.export-users-panel {
  border-color: #bfdbfe;
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}

.export-subtitle {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.75rem;
  color: var(--color-text);
}

.users-toggle-btn {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.users-list-panel {
  margin-top: 0.5rem;
}

.users-list-panel[hidden] {
  display: none !important;
}

.users-table-wrap {
  overflow-x: auto;
  overflow-y: auto;
  max-height: min(320px, 50vh);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.users-table th,
.users-table td {
  border: 1px solid var(--color-border);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: middle;
}

.users-table th {
  background: var(--color-header);
  color: #1e3a5f;
  font-weight: 600;
}

.users-date {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.users-actions {
  text-align: center;
  width: 80px;
}

.delete-user-form {
  margin: 0;
}

.btn-sm {
  min-width: auto;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.user-tag {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 4px;
}

select.export-input {
  cursor: pointer;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.table-wrap {
  overflow-x: auto;
  overflow-y: auto;
  max-height: calc(100vh - 280px);
  max-height: calc(100dvh - 280px);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  table-layout: fixed;
  border: 1px solid var(--color-border-strong);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table th,
.data-table td {
  border: 1px solid var(--color-border-strong);
  padding: 0;
  vertical-align: middle;
  overflow: hidden;
}

.data-table td:nth-child(2) {
  vertical-align: top;
}

.data-table th {
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  padding: 0.75rem 0.5rem;
  background: var(--color-header);
  color: #1e3a5f;
  border-color: #94a3b8;
  white-space: nowrap;
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:nth-child(even) {
  background: #f8fafc;
}

.data-table tbody tr:hover {
  background: var(--color-primary-soft);
}

.data-table input {
  width: 100%;
  border: none;
  padding: 0.65rem 0.55rem;
  font-size: 0.925rem;
  font-family: inherit;
  background: transparent;
  color: var(--color-text);
  outline: none;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.data-table input:focus {
  background: #fff;
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.data-table input[readonly] {
  background: #f1f5f9;
  color: var(--color-text-muted);
  cursor: default;
}

.data-table input[readonly]:focus {
  box-shadow: none;
}

/* 數量欄：隱藏上下箭頭，維持數字鍵盤 */
.data-table input.qty-field {
  -moz-appearance: textfield;
  appearance: textfield;
}

.data-table input.qty-field::-webkit-outer-spin-button,
.data-table input.qty-field::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.equipment-name {
  display: block;
  padding: 0.65rem 0.55rem;
  font-size: 0.925rem;
  line-height: 1.45;
  color: var(--color-text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.cell-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  color: #cbd5e1;
  font-size: 1rem;
  user-select: none;
}

.data-table td.cell-no-spec {
  background: #f8fafc;
}

.cell-pc-spec-block {
  vertical-align: top;
  padding: 0.35rem !important;
}

.pc-spec-groups {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pc-spec-group {
  padding: 0.45rem;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.pc-spec-group[hidden] {
  display: none !important;
}

.pc-slot-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.pc-spec-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.pc-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.pc-field-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.pc-field input {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: 4px;
  padding: 0.45rem 0.4rem;
  font-size: 0.875rem;
  font-family: inherit;
  background: #fff;
}

.pc-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.row-pc-spec .cell-pc-spec-block .pc-field input {
  border: 1px solid var(--color-border-strong);
  background: #fff;
}

.row-pc-spec .cell-pc-spec-block .pc-field input:focus {
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

col.col-store { width: 110px; }
col.col-name { width: 280px; }
col.col-qty { width: 72px; }
col.col-cpu { width: 100px; }
col.col-ram { width: 80px; }

.form-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
  padding: 0 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  padding: 0.6rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-outline {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: #f8fafc;
  border-color: #94a3b8;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: #f1f5f9;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
  box-shadow: 0 2px 8px rgba(185, 28, 28, 0.25);
}

.btn-danger:hover {
  background: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
}

.message {
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  min-height: 1.4em;
}

.message:empty {
  display: none;
}

.message.success {
  color: var(--color-success);
  background: var(--color-success-bg);
  border: 1px solid #a7f3d0;
}

.message.error {
  color: var(--color-error);
  background: var(--color-error-bg);
  border: 1px solid #fecaca;
}

/* 匯出頁 */
.page-export .page-body {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .page-export .page-body {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-export .page-message {
    grid-column: 1 / -1;
  }

  .export-users-panel {
    grid-column: 1 / -1;
  }

  .export-clear-panel {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: none !important;
  }
}

.export-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.5rem 1.35rem 1.75rem;
}

.export-panel.export-clear-panel {
  border-color: #fecaca;
  background: linear-gradient(180deg, #fff 0%, #fffbfb 100%);
}

.export-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.export-clear-panel .export-title {
  color: var(--color-danger);
}

.export-desc {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.export-desc code {
  font-size: 0.82em;
  padding: 0.15em 0.4em;
  background: #f1f5f9;
  border-radius: 4px;
  color: #475569;
}

.export-desc strong {
  color: var(--color-primary);
  font-weight: 700;
}

.export-form {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.export-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  margin-top: 0.25rem;
}

.export-input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.export-input::placeholder {
  color: #94a3b8;
}

.export-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.export-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.export-submit {
  margin-top: 0.75rem;
  align-self: flex-start;
}

.export-all-wrap {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--color-border-strong);
}

.export-all-btn {
  display: inline-flex;
  text-decoration: none;
}

.export-clear-panel {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.export-clear-panel .export-title {
  font-size: 1.1rem;
}

.clear-scope {
  border: none;
  margin: 0.25rem 0 0.5rem;
  padding: 0.75rem;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.clear-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--color-text);
}

.clear-option:last-child {
  margin-bottom: 0;
}

.clear-option input[type="radio"] {
  accent-color: var(--color-primary);
  width: 1rem;
  height: 1rem;
}

.clear-confirm {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 1rem 0 0.25rem;
  padding: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.45;
  cursor: pointer;
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
}

.clear-confirm input[type="checkbox"] {
  accent-color: var(--color-danger);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

/* 手機／小平板：自動切換為卡片式，無需橫向捲動 */
@media (max-width: 768px) {
  .page {
    max-width: 100%;
    padding: max(1rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
  }

  .page-header {
    margin-bottom: 1rem;
  }

  .page-header h1 {
    font-size: 1.2rem;
  }

  .page-header .page-subtitle {
    font-size: 0.85rem;
  }

  .toolbar {
    margin-bottom: 1rem;
  }

  .toolbar .btn {
    width: 100%;
  }

  .card {
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .table-wrap {
    max-height: calc(100dvh - 210px);
    overflow-x: hidden;
    overflow-y: auto;
    margin: 0;
    -webkit-overflow-scrolling: touch;
  }

  .table-wrap::before {
    display: none;
  }

  .data-table {
    width: 100%;
    min-width: 0;
    border: none;
    table-layout: auto;
  }

  .data-table colgroup,
  .data-table thead {
    display: none;
  }

  .data-table tbody {
    display: block;
  }

  .data-table tbody tr {
    display: block;
    margin-bottom: 0.65rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
  }

  .data-table tbody tr:hover {
    background: var(--color-surface);
  }

  .data-table tbody tr:nth-child(even) {
    background: var(--color-surface);
  }

  .data-table tbody td {
    display: grid;
    grid-template-columns: 5.75rem 1fr;
    align-items: stretch;
    overflow: visible;
    border: none;
    border-bottom: 1px solid var(--color-border);
  }

  .data-table tbody td:last-child {
    border-bottom: none;
  }

  .data-table tbody td::before {
    content: attr(data-label);
    display: flex;
    align-items: center;
    padding: 0.55rem 0.5rem;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: #f8fafc;
    border-right: 1px solid var(--color-border);
  }

  .data-table tbody td.cell-name {
    display: block;
    padding: 0;
    border-bottom: 1px solid var(--color-border-strong);
  }

  .data-table tbody td.cell-name::before {
    display: none;
  }

  .data-table tbody .equipment-name {
    display: block;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.45;
    background: var(--color-header);
    color: #1e3a5f;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  /* 店代號僅第一筆顯示，其餘列隱藏（表單仍會同步送出） */
  .data-table tbody tr:not(:first-child) td.cell-store {
    display: none;
  }

  .data-table tbody td.cell-store::before {
    content: attr(data-label);
  }

  .data-table tbody td input {
    font-size: 16px;
    min-height: 44px;
    padding: 0.55rem 0.65rem;
  }

  .data-table tbody td.cell-no-spec {
    display: none;
  }

  .data-table tbody td.cell-pc-spec-block {
    display: block;
    border-bottom: 1px solid var(--color-border);
  }

  .data-table tbody td.cell-pc-spec-block::before {
    content: attr(data-label);
    display: block;
    width: 100%;
    padding: 0.5rem 0.65rem;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: #f8fafc;
    border-bottom: 1px solid var(--color-border);
    border-right: none;
  }

  .pc-spec-fields {
    grid-template-columns: 1fr;
  }

  .pc-field input {
    font-size: 16px;
    min-height: 44px;
    padding: 0.55rem 0.65rem;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    margin-top: 1.25rem;
  }

  .form-actions .btn {
    width: 100%;
    min-height: 44px;
  }

  .message {
    font-size: 0.85rem;
    padding: 0.65rem 0.75rem;
  }

  .export-panel {
    padding: 1.15rem 1rem 1.35rem;
  }

  .export-title {
    font-size: 1.05rem;
  }

  .export-desc {
    font-size: 0.85rem;
  }

  .export-input {
    font-size: 16px;
    min-height: 44px;
  }

  .export-submit,
  .toolbar .btn {
    min-height: 44px;
  }

  .export-submit {
    align-self: stretch;
    width: 100%;
  }

  .export-all-btn {
    width: 100%;
    justify-content: center;
  }

  .clear-option {
    font-size: 0.85rem;
  }

  .clear-confirm {
    font-size: 0.82rem;
  }
}