@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Roboto+Mono:wght@400;500;700&display=swap');

/* Google Material Design 2 Design System (m2.material.io) */
:root {
  --font-main: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Roboto Mono', monospace;

  --md2-primary: #1a73e8;
  --md2-primary-variant: #174ea6;
  --md2-secondary: #00897b;
  --md2-background: #f8f9fa;
  --md2-surface: #ffffff;
  --md2-error: #d93025;
  --md2-success: #1e8e3e;
  --md2-warning: #f9ab00;

  --md2-on-primary: #ffffff;
  --md2-on-background: #202124;
  --md2-on-surface-medium: #5f6368;
  --md2-on-surface-disabled: #80868b;
  --md2-border: #dadce0;

  --md2-elevation-0: none;
  --md2-elevation-1: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
  --md2-elevation-2: 0 1px 2px 0 rgba(60,64,67,0.3), 0 2px 6px 2px rgba(60,64,67,0.15);
  --md2-elevation-4: 0 2px 4px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
  --md2-elevation-8: 0 4px 8px 0 rgba(60,64,67,0.3), 0 8px 16px 4px rgba(60,64,67,0.15);
  --md2-elevation-24: 0 12px 24px 0 rgba(60,64,67,0.3), 0 24px 48px 8px rgba(60,64,67,0.15);

  --md2-shape-corner: 4px;
  --md2-shape-chip: 16px;

  --label-offset-x: 0mm;
  --label-offset-y: 0mm;
  --label-margin-top: 0mm;
  --label-margin-right: 0mm;
  --label-margin-bottom: 0mm;
  --label-margin-left: 0mm;
  --print-paper-width: 80mm;
  --print-paper-height: 42mm;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--md2-background);
  color: var(--md2-on-background);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

button,
a.md2-btn-contained,
a.md2-btn-outlined,
a.md2-btn-success,
a.md2-btn-danger,
a.md2-btn-text {
  font-family: var(--font-main);
  cursor: pointer;
  border: none;
  outline: none;
  text-transform: uppercase;
  letter-spacing: 1.25px;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--md2-shape-corner);
  transition: background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.md2-btn-contained {
  background-color: var(--md2-primary);
  color: var(--md2-on-primary);
  box-shadow: var(--md2-elevation-1);
  padding: 10px 24px;
}
.md2-btn-contained:hover { background-color: var(--md2-primary-variant); box-shadow: var(--md2-elevation-2); }

.md2-btn-success {
  background-color: var(--md2-success);
  color: #ffffff;
  box-shadow: var(--md2-elevation-1);
  padding: 12px 24px;
}
.md2-btn-success:hover { background-color: #137333; box-shadow: var(--md2-elevation-2); }

.md2-btn-danger {
  background-color: var(--md2-error);
  color: #ffffff;
  box-shadow: var(--md2-elevation-1);
  padding: 10px 24px;
}
.md2-btn-danger:hover { background-color: #b0271e; box-shadow: var(--md2-elevation-2); }

.md2-btn-outlined {
  background-color: transparent;
  color: var(--md2-primary);
  border: 1px solid var(--md2-border);
  padding: 9px 23px;
}
.md2-btn-outlined:hover { background-color: rgba(26, 115, 232, 0.04); border-color: var(--md2-primary); }

.md2-btn-text {
  background-color: transparent;
  color: var(--md2-primary);
  padding: 8px 16px;
}
.md2-btn-text:hover { background-color: rgba(26, 115, 232, 0.04); }

.md2-card {
  background-color: var(--md2-surface);
  border-radius: var(--md2-shape-corner);
  border: 1px solid var(--md2-border);
  box-shadow: var(--md2-elevation-1);
  transition: box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.md2-card:hover { box-shadow: var(--md2-elevation-2); }

.md2-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--md2-shape-chip);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25px;
  background-color: #e8eaed;
  color: var(--md2-on-background);
}
.md2-chip-primary { background-color: #e8f0fe; color: #174ea6; }
.md2-chip-success { background-color: #e6f4ea; color: #137333; }
.md2-chip-error { background-color: #fce8e6; color: #c5221f; }

input[type="text"], input[type="number"], input[type="password"], select {
  font-family: var(--font-main);
  background-color: #ffffff;
  border: 1px solid var(--md2-border);
  border-radius: var(--md2-shape-corner);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--md2-on-background);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input[type="text"]:focus, input[type="number"]:focus, input[type="password"]:focus, select:focus {
  border-color: var(--md2-primary);
  box-shadow: 0 0 0 1px var(--md2-primary);
}

.container { max-width: 1200px; margin: 0 auto; padding: 16px; }
.container-sm { max-width: 480px; margin: 0 auto; padding: 16px; }

.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }

.admin-shell {
  background: #f1f3f4;
  min-height: 100vh;
}

.admin-drawer {
  position: fixed;
  inset: 0 auto 0 0;
  width: 264px;
  background: #ffffff;
  border-right: 1px solid var(--md2-border);
  display: flex;
  flex-direction: column;
  z-index: 900;
}

.admin-brand {
  height: 76px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--md2-border);
}

.admin-brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--md2-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.admin-brand strong,
.admin-brand span {
  display: block;
  line-height: 1.2;
}

.admin-brand span {
  font-size: 0.75rem;
  color: var(--md2-on-surface-medium);
}

.admin-nav {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-nav-link {
  padding: 12px 14px;
  border-radius: 4px;
  color: var(--md2-on-surface-medium);
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-nav-link:hover,
.admin-nav-link.active {
  background: #e8f0fe;
  color: var(--md2-primary-variant);
}

.admin-nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.admin-logout {
  margin: auto 12px 12px;
  padding: 12px 14px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #d93025;
  font-weight: 700;
}

.admin-logout:hover {
  background: #fce8e6;
}

.admin-main {
  margin-left: 264px;
  min-height: 100vh;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 500;
  min-height: 76px;
  background: #ffffff;
  border-bottom: 1px solid var(--md2-border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-topbar h1 {
  font-size: 1.25rem;
  line-height: 1.2;
  margin-top: 4px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-menu-btn {
  display: none;
  background: transparent;
  color: var(--md2-primary);
  padding: 8px 12px;
}

.admin-content {
  padding: 24px;
  max-width: 1280px;
}

.admin-section {
  display: none;
}

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

.admin-section-head {
  margin-bottom: 18px;
}

.admin-section-head h2 {
  font-size: 1.5rem;
  line-height: 1.2;
}

.admin-section-head p {
  color: var(--md2-on-surface-medium);
  font-size: 0.875rem;
  margin-top: 4px;
}

.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.admin-stat-card {
  background: #fff;
  border: 1px solid var(--md2-border);
  border-radius: 4px;
  padding: 16px;
  box-shadow: var(--md2-elevation-1);
}

.admin-stat-card span {
  display: block;
  font-size: 0.75rem;
  color: var(--md2-on-surface-medium);
  font-weight: 700;
  text-transform: uppercase;
}

.admin-stat-card strong {
  display: block;
  font-size: 1.4rem;
  margin-top: 6px;
}

.admin-panel {
  padding: 20px;
  margin-bottom: 20px;
}

.admin-panel h3 {
  font-size: 1rem;
  margin-bottom: 14px;
}

.admin-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.admin-panel-hint {
  color: var(--md2-on-surface-medium);
  font-size: 0.8125rem;
  margin-bottom: 16px;
}

.admin-linechart {
  padding-top: 8px;
}

.admin-linechart-svg {
  width: 100%;
  height: 220px;
  display: block;
  overflow: visible;
  border-bottom: 1px solid var(--md2-border);
}

.admin-linechart-area {
  fill: rgba(26, 115, 232, 0.1);
  stroke: none;
}

.admin-linechart-line {
  fill: none;
  stroke: var(--md2-primary);
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.admin-linechart-dot {
  fill: var(--md2-primary);
  stroke: var(--md2-surface);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.admin-linechart-labels {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--md2-on-surface-medium);
}

.admin-linechart-labels span {
  flex: 1;
  text-align: center;
  white-space: nowrap;
}

.admin-search-form {
  margin-bottom: 16px;
}

.admin-search-form input {
  width: 100%;
  font-family: var(--font-mono);
  font-weight: 700;
}

.admin-table-wrap {
  overflow: auto;
  border: 1px solid var(--md2-border);
  border-radius: 4px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: #fff;
}

.admin-table th,
.admin-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--md2-border);
  font-size: 0.8125rem;
}

.admin-table th {
  background: #f8f9fa;
  color: var(--md2-on-surface-medium);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.72rem;
}

.status-new { background: #e6f4ea; color: #137333; }
.status-used { background: #fce8e6; color: #c5221f; }

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-list-item {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-list-item span {
  display: block;
  color: var(--md2-on-surface-medium);
  font-size: 0.78rem;
}

.admin-list-item > div:last-child {
  text-align: right;
}

.admin-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.admin-person-card {
  border: 1px solid var(--md2-border);
  background: var(--md2-background);
  border-radius: 4px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-person-card span {
  display: block;
  color: var(--md2-on-surface-medium);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.admin-icon-danger {
  background: transparent;
  color: #d93025;
  padding: 4px;
}

.admin-inline-form {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
}

.admin-inline-form label,
.admin-field {
  display: block;
  flex: 1;
  min-width: 240px;
}

.admin-field {
  margin-bottom: 16px;
}

.admin-inline-form span,
.admin-field span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--md2-on-surface-medium);
  margin-bottom: 5px;
}

.admin-inline-form input,
.admin-field input {
  width: 100%;
}

.admin-key-row {
  display: flex;
  gap: 8px;
}

.admin-key-row input {
  flex: 1;
  font-family: var(--font-mono);
}

.admin-empty {
  padding: 18px;
  color: var(--md2-on-surface-medium);
  text-align: center;
}

.admin-scrim {
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

@media (max-width: 900px) {
  .admin-drawer {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .admin-drawer.open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
  }
  .admin-menu-btn {
    display: inline-flex;
  }
  .admin-topbar {
    padding: 12px 16px;
  }
  .admin-content {
    padding: 16px;
  }
  .admin-stat-grid {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
  .admin-actions button {
    padding-left: 12px;
    padding-right: 12px;
  }
  .admin-scrim.open {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 800;
  }
}

@media (max-width: 560px) {
  .admin-topbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .admin-stat-grid {
    grid-template-columns: 1fr;
  }
  .admin-list-item,
  .admin-panel-head,
  .admin-key-row {
    align-items: stretch;
    flex-direction: column;
  }
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  padding: 12px 20px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--md2-elevation-4);
  color: #ffffff;
}
.toast-danger { background: #d93025; }
.toast-warning { background: #f9ab00; color: #202124; }
.toast-success { background: #1e8e3e; }
.toast-info { background: #1a73e8; }

.printable-area {
  position: absolute;
  left: -9999px;
  top: 0;
  width: var(--print-paper-width);
  height: auto;
  background: #fff;
  color: #000;
}

.ticket-page {
  width: var(--print-paper-width);
  height: var(--print-paper-height);
  position: relative;
  overflow: hidden;
  background: #fff;
  color: #000;
  break-inside: avoid;
  page-break-inside: avoid;
}

.ticket-label {
  width: 46mm;
  height: 72mm;
  padding: var(--label-margin-top) var(--label-margin-right) var(--label-margin-bottom) var(--label-margin-left);
  background: #fff;
  color: #000;
  font-family: var(--font-mono);
  display: grid;
  grid-template-rows: 32mm 1fr;
  gap: 2mm;
  align-items: center;
  justify-items: center;
  border: none;
  overflow: hidden;
  position: absolute;
  left: calc(50% + var(--label-offset-x));
  top: calc(50% + var(--label-offset-y));
  transform: translate(-50%, -50%) rotate(-90deg);
  transform-origin: center center;
  break-inside: avoid;
  page-break-inside: avoid;
}

.ticket-qr {
  width: 30mm;
  height: 30mm;
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  transform: none;
}

.ticket-qr canvas,
.ticket-qr img {
  width: 30mm !important;
  height: 30mm !important;
}

.ticket-brand {
  font-size: 10pt;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  width: 100%;
}

.ticket-code {
  font-size: 24pt;
  font-weight: 900;
  line-height: 1;
  margin: 2mm 0 0;
  letter-spacing: 0;
  text-align: center;
  width: 100%;
}

.ticket-meta {
  display: none;
  font-size: 4.6pt;
  line-height: 1.12;
  text-align: center;
}

.ticket-note {
  display: none;
  font-size: 4.1pt;
  line-height: 1;
  margin-top: 0.7mm;
  border-top: 1px dashed #000;
  padding-top: 0.5mm;
  text-align: center;
}

.z-report-label {
  width: 76mm;
  padding: 4mm;
  background: #fff;
  color: #000;
  font-family: var(--font-mono);
  border: 1px solid #000;
}

/* Print Styles for 80mm thermal sticker labels. Height is intentionally shorter to avoid extra feed. */
@media print {
  @page { size: 80mm 42mm; margin: 0; }
  html, body {
    width: var(--print-paper-width) !important;
    min-width: var(--print-paper-width) !important;
    max-width: var(--print-paper-width) !important;
    height: var(--print-paper-height) !important;
    min-height: var(--print-paper-height) !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    background: #fff !important;
  }
  body.print-ticket > :not(.printable-area),
  body.print-report > :not(.printable-area) {
    display: none !important;
  }
  body.print-ticket .toast,
  body.print-report .toast {
    display: none !important;
  }
  .printable-area {
    display: block !important;
    position: static !important;
    left: 0;
    top: 0;
    width: var(--print-paper-width) !important;
    height: var(--print-paper-height) !important;
    padding: 0 !important;
    margin: 0 !important;
    background: #fff !important;
    color: #000 !important;
    overflow: hidden !important;
  }
  .ticket-page {
    width: var(--print-paper-width) !important;
    height: var(--print-paper-height) !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    page-break-after: auto;
    break-after: auto;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  .ticket-page:not(:last-child) {
    page-break-after: always;
    break-after: page;
  }
  .ticket-label {
    display: grid !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  .z-report-label {
    width: 76mm !important;
  }
  .no-print { display: none !important; }
}