:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --surface-2: #f0f0f0;
  --field-bg: #ffffff;
  --card-bg: #fbfbfb;
  --sidebar-bg: #202020;
  --sidebar-active: #3b3b3b;
  --sidebar-text: #e2e2e2;
  --sidebar-muted: #b8b8b8;
  --line: #dadada;
  --text: #252525;
  --muted: #6b6b6b;
  --accent: #662483;
  --accent-2: #7c3a9e;
  --warn: #b45f06;
  --danger: #b42318;
  --ink: #1b1b1b;
  --shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
  --badge-good-bg: #e8e8e8;
  --badge-good-text: #333333;
  --badge-warn-bg: #fae4bf;
  --badge-warn-text: #71410a;
  --badge-bad-bg: #f9d1cd;
  --badge-bad-text: #7f1d16;
  --selected-item-bg: #f4e8f8;
  --selected-item-border: #662483;
  --radius: 8px;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #171717;
  --surface: #202020;
  --surface-2: #2c2c2c;
  --field-bg: #191919;
  --card-bg: #1d1d1d;
  --sidebar-bg: #111111;
  --sidebar-active: #333333;
  --sidebar-text: #e0e0e0;
  --sidebar-muted: #9b9b9b;
  --line: #3a3a3a;
  --text: #f1f1f1;
  --muted: #a9a9a9;
  --accent: #94d4ee;
  --accent-2: #b6e4f5;
  --warn: #f0b35f;
  --danger: #ff8a7f;
  --ink: #f5f5f5;
  --shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
  --badge-good-bg: #303030;
  --badge-good-text: #e3e3e3;
  --badge-warn-bg: #4a3218;
  --badge-warn-text: #ffd28c;
  --badge-bad-bg: #4a201e;
  --badge-bad-text: #ffb6ae;
  --selected-item-bg: #213b46;
  --selected-item-border: #94d4ee;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: block;
}

.brand h1,
.topbar h2,
.topbar p {
  margin: 0;
}

.brand h1 {
  font-size: 1.08rem;
  line-height: 1.2;
}

.nav-list {
  display: grid;
  gap: 6px;
}

.nav-button {
  min-height: 40px;
  padding: 0 12px;
  border-radius: var(--radius);
  background: transparent;
  color: var(--sidebar-text);
  text-align: left;
  transition: background 0.16s ease, color 0.16s ease;
}

.nav-button:hover,
.nav-button.active {
  background: var(--sidebar-active);
  color: #ffffff;
}

.main {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.topbar-actions {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 14px;
}

.theme-toggle {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 0 10px;
  font-weight: 700;
}

.theme-toggle-track {
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 2px;
  display: flex;
  align-items: center;
}

.theme-toggle-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.16s ease;
}

[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(16px);
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar h2 {
  font-size: 1.8rem;
  line-height: 1.15;
}

.staff-switcher {
  min-width: 220px;
  display: grid;
  gap: 6px;
}

.student-mode .staff-switcher {
  display: none;
}

.staff-locked .staff-switcher {
  display: none;
}

.staff-locked .nav-button[data-view],
.staff-locked .nav-button[data-student-route]:not([data-student-route="login"]) {
  display: none;
}

.student-mode .app-shell {
  grid-template-columns: 1fr;
}

.student-mode .sidebar {
  display: none;
}

label,
.field-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

select,
input,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field-bg);
  color: var(--text);
  padding: 8px 10px;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

.view-root {
  min-height: calc(100vh - 116px);
}

.layout-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel.compact {
  padding: 12px;
}

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

.panel-title h3 {
  margin: 0;
  font-size: 1rem;
}

.panel-title p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.span-3 {
  grid-column: span 3;
}

.span-4 {
  grid-column: span 4;
}

.span-5 {
  grid-column: span 5;
}

.span-6 {
  grid-column: span 6;
}

.span-7 {
  grid-column: span 7;
}

.span-8 {
  grid-column: span 8;
}

.span-12 {
  grid-column: 1 / -1;
}

.stat {
  display: grid;
  gap: 6px;
}

.stat strong {
  font-size: 2rem;
  line-height: 1;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.status-grid p {
  margin: 5px 0 0;
}

.auth-inline {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: end;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.auth-inline p {
  margin: 5px 0 0;
}

.auth-inline .full {
  grid-column: 1 / -1;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.toolbar.no-margin {
  margin-bottom: 0;
}

.toolbar > * {
  flex: 0 0 auto;
}

.toolbar .grow {
  flex: 1 1 240px;
}

.filter-row,
.action-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-row {
  margin-bottom: 14px;
}

.filter-chip {
  min-height: 34px;
  border-radius: 999px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--field-bg);
  color: var(--text);
  font-weight: 750;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.button,
.icon-button {
  min-height: 40px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 750;
  white-space: nowrap;
}

.button.secondary {
  background: var(--surface-2);
  color: var(--ink);
}

.button.warning {
  background: var(--badge-warn-bg);
  color: var(--badge-warn-text);
}

.language-switcher {
  min-width: 126px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.language-switcher select {
  min-height: 40px;
  padding-right: 28px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.button.danger {
  background: var(--badge-bad-bg);
  color: var(--badge-bad-text);
}

.button.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--line);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.icon-button {
  width: 40px;
  padding: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.option-grid legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.reservation-block-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: none;
}

.reservation-block-quantity {
  width: 96px;
  min-height: 42px;
  padding: 6px 8px;
  background: var(--field-bg);
  color: var(--text);
  font-weight: 800;
  text-align: center;
}

.stack {
  display: grid;
  gap: 12px;
}

.table-wrap {
  overflow-x: auto;
}

.category-table-wrap {
  margin-top: 14px;
}

.category-table-wrap table {
  min-width: 520px;
}

.reservation-block-table-wrap {
  margin-top: 14px;
}

.reservation-block-table-wrap table {
  min-width: 860px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
  font-size: 0.92rem;
}

th {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

tr:last-child td {
  border-bottom: 0;
}

.muted {
  color: var(--muted);
}

.inline-link,
.link-button {
  color: var(--accent);
  font-weight: 800;
}

.inline-link {
  word-break: break-all;
}

.link-button {
  min-height: 32px;
  padding: 0;
  background: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 0 9px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.badge.good {
  background: var(--badge-good-bg);
  color: var(--badge-good-text);
}

.badge.warn {
  background: var(--badge-warn-bg);
  color: var(--badge-warn-text);
}

.badge.bad {
  background: var(--badge-bad-bg);
  color: var(--badge-bad-text);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--muted);
  background: var(--card-bg);
}

.student-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--card-bg);
}

.timeline-card {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.timeline-card:hover,
.timeline-card:focus-visible {
  border-color: var(--accent);
  background: var(--surface);
}

.student-card h4,
.item-card h4 {
  margin: 0;
  font-size: 1rem;
}

.student-card p,
.item-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.student-auth {
  min-height: calc(100vh - 128px);
  display: grid;
  place-items: start center;
  padding-top: 5vh;
}

.auth-panel {
  width: min(480px, 100%);
}

.student-admin-link {
  margin-top: 12px;
  justify-self: center;
}

.auth-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
}

.auth-details {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.auth-details summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 700;
}

.auth-details .stack {
  margin-top: 14px;
}

.auth-reset-request {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.student-layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.student-hero {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.student-hero h3,
.student-hero p {
  margin: 0;
}

.student-hero h3 {
  font-size: 1.55rem;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}

.item-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  display: grid;
  gap: 10px;
  background: var(--surface);
}

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

.barcode {
  width: 100%;
  height: 62px;
  background: #ffffff;
}

.code-text {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.catalogue {
  display: grid;
  gap: 22px;
}

.catalogue-section h3 {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
}

.catalogue-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.catalogue-item {
  border: 1px solid #9f9f9f;
  border-radius: 6px;
  min-height: 138px;
  padding: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 10px;
  break-inside: avoid;
  background: #ffffff;
}

.catalogue-item h4 {
  margin: 0 0 4px;
  font-size: 0.95rem;
}

.catalogue-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.catalogue-item .barcode {
  height: 72px;
}

.calendar-shell {
  display: grid;
  gap: 12px;
}

.calendar-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
  align-items: start;
  gap: 16px;
}

.calendar-detail-panel {
  align-self: start;
}

.calendar-detail-panel .selected-booking {
  flex-direction: column;
}

.calendar-detail-panel .selected-booking-actions {
  justify-items: start;
}

.calendar-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.calendar-heading strong {
  color: var(--text);
  font-size: 1.05rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.calendar-weekday,
.calendar-day {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.calendar-weekday:nth-child(7n),
.calendar-day:nth-child(7n) {
  border-right: 0;
}

.calendar-weekday {
  min-height: 34px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.calendar-day {
  min-height: 118px;
  padding: 8px;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 8px;
}

.calendar-day.muted-day {
  background: var(--surface-2);
  color: var(--muted);
}

.calendar-date {
  font-weight: 800;
  font-size: 0.86rem;
}

.calendar-events {
  display: grid;
  align-content: start;
  gap: 5px;
  min-width: 0;
}

.calendar-event,
.calendar-more {
  min-height: 22px;
  border-radius: 6px;
  border: 0;
  padding: 3px 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: var(--badge-good-bg);
  color: var(--badge-good-text);
  font-size: 0.74rem;
  font-weight: 750;
  text-align: left;
}

.calendar-event.pending {
  background: var(--badge-warn-bg);
  color: var(--badge-warn-text);
}

.calendar-event.studio {
  background: var(--surface-2);
  color: var(--ink);
}

.calendar-event.studio.pending {
  background: var(--badge-warn-bg);
  color: var(--badge-warn-text);
}

.calendar-event:hover,
.calendar-event.selected {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.calendar-more {
  background: var(--surface-2);
  color: var(--muted);
}

.selected-booking {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.selected-booking-main {
  display: grid;
  gap: 6px;
}

.selected-booking-main h4,
.selected-booking-main p {
  margin: 0;
}

.selected-booking-actions {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.cart-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 78px 40px;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 9px 0;
}

.cart-line:last-child {
  border-bottom: 0;
}

.student-cart {
  margin: 14px 0;
}

.student-cart .cart-line {
  position: relative;
  border: 2px solid var(--selected-item-border);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--selected-item-bg);
}

.student-cart .cart-line + .cart-line {
  margin-top: 8px;
}

.student-cart .cart-line:last-child {
  border-bottom: 2px solid var(--selected-item-border);
}

.return-checklist {
  display: grid;
  gap: 8px;
}

.check-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: none;
}

.check-line input {
  width: 18px;
  min-height: 18px;
}

.toast {
  position: fixed;
  right: 24px;
  top: 20px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 32px));
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  box-shadow: var(--shadow);
}

.hidden-print-note {
  display: none;
}

.print-frame {
  position: fixed;
  width: 0;
  height: 0;
  border: 0;
  visibility: hidden;
}

@media (max-width: 1040px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 14px;
  }

  .brand {
    margin-bottom: 4px;
  }

  .nav-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nav-button {
    text-align: center;
  }

  .span-3,
  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8 {
    grid-column: 1 / -1;
  }

  .student-layout .span-6 {
    grid-column: 1 / -1;
  }

  .status-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-inline {
    grid-template-columns: 1fr;
  }

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

  .calendar-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main {
    padding: 16px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .theme-toggle {
    justify-content: space-between;
  }

  .staff-switcher {
    min-width: 0;
  }

  .language-switcher {
    min-width: 0;
  }

  .nav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .catalogue-item {
    grid-template-columns: 1fr;
  }

  .auth-links,
  .student-hero {
    align-items: stretch;
    flex-direction: column;
  }
}

@media print {
  body {
    background: #ffffff;
  }

  .sidebar,
  .topbar,
  .toolbar,
  .toast,
  .no-print {
    display: none !important;
  }

  .app-shell,
  .main,
  .view-root {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .panel {
    border: 0;
    box-shadow: none;
    padding: 0;
  }

  .hidden-print-note {
    display: block;
    margin: 0 0 12px;
    color: #333333;
    font-size: 0.85rem;
  }

  .catalogue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}