/* ===== Apple Design System ===== */
:root {
  --blue: #007AFF;
  --blue-hover: #0066D6;
  --green: #34C759;
  --orange: #FF9500;
  --red: #FF3B30;
  --purple: #AF52DE;
  --teal: #5AC8FA;

  --bg: #F5F5F7;
  --card: #FFFFFF;
  --separator: #E5E5EA;
  --separator-light: #F2F2F7;

  --label-primary: #1D1D1F;
  --label-secondary: #86868B;
  --label-tertiary: #AEAEB2;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 980px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.06), 0 0 1px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.08), 0 0 1px rgba(0,0,0,0.06);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Cascadia Code", "Menlo", monospace;

  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --sidebar-width: 240px;
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--label-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

a { cursor: pointer; text-decoration: none; color: inherit; }
input, select, button, textarea { font-family: var(--font); font-size: 14px; }
img { display: block; }

/* ============================
   LOGIN PAGE
   ============================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(0,122,255,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(175,82,222,0.04) 0%, transparent 50%);
}

.login-box {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 400px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.login-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--label-primary);
  letter-spacing: -0.3px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.login-subtitle {
  font-size: 15px;
  color: var(--label-secondary);
  margin-bottom: 36px;
  font-weight: 400;
}

.login-box input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--separator);
  border-radius: var(--radius-md);
  background: var(--separator-light);
  color: var(--label-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.2s var(--ease);
  margin-bottom: 14px;
}

.login-box input::placeholder { color: var(--label-tertiary); }

.login-box input:focus {
  border-color: var(--blue);
  background: var(--card);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
}

.login-error {
  color: var(--red);
  font-size: 13px;
  margin-bottom: 14px;
  font-weight: 500;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--separator-light);
  color: var(--label-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  user-select: none;
}

.btn:hover { background: var(--separator); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; pointer-events: none; }

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-hover); }

.btn-success {
  background: var(--green);
  color: #fff;
}
.btn-success:hover { background: #2EB350; }

.btn-danger { color: var(--red); }
.btn-danger:hover { background: rgba(255,59,48,0.08); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--separator);
}
.btn-outline:hover { background: var(--separator-light); }

.btn-block {
  display: flex;
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-lg);
}

.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-xs { padding: 5px 10px; font-size: 12px; border-radius: var(--radius-sm); font-weight: 500; }

/* ============================
   LAYOUT
   ============================ */
.admin-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-right: 0.5px solid var(--separator);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
}

.sidebar-header {
  padding: 24px 24px 20px;
  font-size: 17px;
  font-weight: 700;
  color: var(--label-primary);
  letter-spacing: -0.2px;
  border-bottom: 0.5px solid var(--separator);
  display: flex;
  align-items: center;
}

.sidebar-header svg {
  flex-shrink: 0;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  margin-bottom: 2px;
  color: var(--label-secondary);
  border-radius: var(--radius-md);
  transition: all 0.15s var(--ease);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

.nav-item:hover {
  background: rgba(0,0,0,0.04);
  color: var(--label-primary);
}

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

.nav-icon { font-size: 17px; width: 22px; text-align: center; }

.sidebar-footer {
  padding: 16px;
  border-top: 0.5px solid var(--separator);
}

.admin-info {
  font-size: 12px;
  color: var(--label-tertiary);
  margin-bottom: 6px;
  padding: 0 8px;
}

.sidebar-footer .nav-item { margin-bottom: 0; }

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.top-bar {
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  padding: 16px 32px;
  border-bottom: 0.5px solid var(--separator);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--label-primary);
  letter-spacing: -0.3px;
}

.time-display {
  font-size: 13px;
  color: var(--label-secondary);
  font-variant-numeric: tabular-nums;
}

.content-body {
  flex: 1;
  padding: 28px 32px 40px;
}

.view { animation: appleFadeIn 0.35s var(--ease); }

@keyframes appleFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================
   STATS GRID (Dashboard)
   ============================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s var(--ease);
}

.stat-card:hover { box-shadow: var(--shadow-md); }

.stat-card.accent {
  background: linear-gradient(135deg, #007AFF 0%, #0055D4 100%);
  color: #fff;
}

.stat-card.accent .stat-label { color: rgba(255,255,255,0.72); }
.stat-card.accent .stat-sub { color: rgba(255,255,255,0.56); }

.stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--label-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-sub {
  font-size: 13px;
  color: var(--label-secondary);
}

/* ============================
   CHARTS
   ============================ */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  height: 340px;
  display: flex;
  flex-direction: column;
}

.chart-card canvas {
  flex: 1;
  width: 100% !important;
  min-height: 0;
}

.chart-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--label-primary);
  margin-bottom: 16px;
  flex-shrink: 0;
}

/* ============================
   CARDS
   ============================ */
.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--label-primary);
}

/* ============================
   TABLES
   ============================ */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--label-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 0.5px solid var(--separator);
  background: var(--separator-light);
  position: sticky;
  top: 0;
}

.data-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.data-table th:last-child { border-radius: 0 var(--radius-sm) 0 0; }

.data-table td {
  padding: 14px 16px;
  border-bottom: 0.5px solid var(--separator-light);
  font-size: 13px;
  color: var(--label-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background 0.1s;
}

.data-table tbody tr:hover td {
  background: rgba(0,122,255,0.03);
}

.data-table.mini td,
.data-table.mini th {
  padding: 8px 12px;
  font-size: 12px;
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--label-secondary);
}

/* ============================
   BADGES
   ============================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1px;
}

.badge-pending {
  background: rgba(255,149,0,0.12);
  color: #C76100;
}
.badge-paid {
  background: rgba(0,122,255,0.1);
  color: var(--blue);
}
.badge-printing {
  background: rgba(175,82,222,0.1);
  color: var(--purple);
}
.badge-completed {
  background: rgba(52,199,89,0.1);
  color: #1B963F;
}
.badge-seq {
  background: #E8F4FD;
  color: #007AFF;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
}

.badge-cancelled {
  background: rgba(255,59,48,0.08);
  color: var(--red);
}

.badge-type {
  background: rgba(0,0,0,0.04);
  color: var(--label-secondary);
  font-weight: 500;
}

.badge-printer-idle {
  background: rgba(52,199,89,0.1);
  color: #1B963F;
}
.badge-printer-busy {
  background: rgba(255,149,0,0.12);
  color: #C76100;
}
.badge-printer-offline {
  background: rgba(142,142,147,0.12);
  color: #8E8E93;
}

/* ============================
   TOOLBAR
   ============================ */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.toolbar input,
.toolbar select {
  padding: 9px 14px;
  border: 1px solid var(--separator);
  border-radius: var(--radius-md);
  background: var(--card);
  color: var(--label-primary);
  outline: none;
  font-size: 13px;
  transition: all 0.2s var(--ease);
}

.toolbar input:focus,
.toolbar select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.toolbar input[type="date"] { width: 145px; }
.toolbar span { color: var(--label-tertiary); font-size: 13px; }

/* ============================
   PAGINATION
   ============================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 0 8px;
}

.pagination span {
  font-size: 13px;
  color: var(--label-secondary);
  font-weight: 500;
}

/* ============================
   PRINTER GRID
   ============================ */
.printer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.printer-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.printer-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.printer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.printer-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--label-primary);
}

.printer-info {
  font-size: 13px;
  color: var(--label-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.printer-actions {
  display: flex;
  gap: 6px;
  padding-top: 16px;
  border-top: 0.5px solid var(--separator-light);
}

/* ============================
   FORMS
   ============================ */
.form-group { margin-bottom: 16px; }

.form-group input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--separator);
  border-radius: var(--radius-md);
  background: var(--separator-light);
  color: var(--label-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.2s var(--ease);
}

.form-group input:focus {
  border-color: var(--blue);
  background: var(--card);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
}

.form-row {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
  gap: 14px;
}

.form-row label {
  width: 200px;
  font-weight: 500;
  font-size: 14px;
  color: var(--label-primary);
  flex-shrink: 0;
}

.form-row input,
.form-row select {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--separator);
  border-radius: var(--radius-md);
  background: var(--separator-light);
  color: var(--label-primary);
  font-size: 14px;
  outline: none;
  max-width: 320px;
  transition: all 0.2s var(--ease);
}

.form-row input:focus,
.form-row select:focus {
  border-color: var(--blue);
  background: var(--card);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.form-hint {
  font-size: 12px;
  color: var(--label-tertiary);
  margin-left: 8px;
}

.settings-card { max-width: 660px; }

.settings-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--label-primary);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 0.5px solid var(--separator);
}

/* ============================
   ACTION BUTTONS
   ============================ */
.action-btns {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  align-items: center;
}

.select-xs {
  padding: 5px 8px;
  font-size: 12px;
  border: 1px solid var(--separator);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--label-primary);
  outline: none;
}

/* ============================
   MODAL
   ============================ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.32);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: modalOverlayIn 0.2s var(--ease);
}

@keyframes modalOverlayIn {
  from { opacity: 0; }
}

.modal {
  background: var(--card);
  border-radius: var(--radius-xl);
  width: 520px;
  max-width: 92vw;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s var(--ease);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 0.5px solid var(--separator);
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--label-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--label-tertiary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.modal-close:hover { background: var(--separator-light); }

.modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px 20px;
  border-top: 0.5px solid var(--separator);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  font-size: 14px;
  color: var(--label-primary);
}

.detail-grid strong { color: var(--label-secondary); font-weight: 500; }

/* ============================
   TOAST
   ============================ */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.35s var(--ease);
}

.toast-success { background: var(--green); }
.toast-error { background: var(--red); }
.toast-info { background: var(--blue); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-12px) scale(0.96); }
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .charts-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 64px; }

  .sidebar-header {
    font-size: 0;
    padding: 20px 0;
    text-align: center;
    justify-content: center;
  }
  .sidebar-header svg { margin-right: 0 !important; }
  .sidebar-header { gap: 0; }

  .nav-text { display: none; }
  .nav-item { justify-content: center; padding: 10px; }
  .nav-icon { margin-right: 0; }
  .admin-info { display: none; }

  .sidebar-footer .nav-text { display: none; }

  .main-content { margin-left: 64px; }

  .content-body { padding: 20px 16px; }

  .form-row { flex-direction: column; align-items: flex-start; }
  .form-row label { width: auto; margin-bottom: 6px; }
  .form-row input,
  .form-row select { max-width: 100%; width: 100%; }

  .stats-grid { grid-template-columns: 1fr 1fr; }

  .data-table { font-size: 12px; }
  .data-table th, .data-table td { padding: 10px 12px; }
}

/* ===== 打印机标签管理 ===== */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  margin: 1px 2px;
  line-height: 1.6;
}
.tag-entry {
  background: rgba(0,122,255,0.1);
  color: var(--blue);
}
.tag-custom {
  background: rgba(175,82,222,0.1);
  color: var(--purple);
}

/* Switch toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 26px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #E5E5EA;
  border-radius: 26px;
  transition: 0.2s;
}
.switch .slider:before {
  content: "";
  position: absolute;
  height: 22px; width: 22px;
  left: 2px; bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.switch input:checked + .slider { background-color: var(--green); }
.switch input:checked + .slider:before { transform: translateX(18px); }

/* Checkbox group */
.checkbox-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1.5px solid var(--separator);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  font-size: 13px;
  user-select: none;
}
.checkbox-item:hover { border-color: var(--blue); }
.checkbox-item.checked {
  border-color: var(--blue);
  background: rgba(0,122,255,0.06);
  color: var(--blue);
  font-weight: 500;
}
.checkbox-icon { font-size: 16px; }

/* Badge status */
.badge-status-idle { background: rgba(52,199,89,0.1); color: var(--green); }
.badge-status-busy { background: rgba(255,149,0,0.1); color: var(--orange); }
.badge-status-offline { background: rgba(142,142,147,0.1); color: #8E8E93; }

/* Data table mini */
.data-table.mini { font-size: 12px; }
.data-table.mini td, .data-table.mini th { padding: 6px 10px; }

/* Printer select list (batch reprint) */
.printer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  padding: 4px;
}
.printer-option {
  display: flex;
  flex-direction: column;
  padding: 12px 16px;
  border: 1.5px solid var(--separator);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s;
}
.printer-option:hover {
  border-color: var(--blue);
  background: rgba(0,122,255,0.03);
}
.printer-option.selected {
  border-color: var(--blue);
  background: rgba(0,122,255,0.06);
  box-shadow: 0 0 0 1px var(--blue);
}
.printer-option-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--label-primary);
  margin-bottom: 4px;
}
.printer-option-info {
  font-size: 12px;
  color: var(--label-secondary);
}
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}
.dot-idle { background: var(--green); }
.dot-busy { background: var(--orange); }
.dot-offline { background: #8E8E93; }

/* Failed order row highlight */
.data-table tr td:first-child input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--red);
  cursor: pointer;
}