:root {
  --bg: #F7F8F7;
  --surface: #FFFFFF;
  --surface-2: #EAF0E5;
  --ink: #182616;
  --ink-2: #3A3A3A;
  --ink-3: #6E776A;
  --line: #DCE3D6;
  --line-2: #C5D0BB;
  --accent: #182616;
  --accent-2: #DDE8D4;
  --brand: #B4CCA8;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --sans: 'Geist', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  /* Aliases for the migrated coach-dashboard component styles (coach.css),
     which were authored against the MVP's hyphen-less variable names plus a
     few semantic status colours. */
  --surface2: var(--surface-2);
  --ink2: var(--ink-2);
  --ink3: var(--ink-3);
  --line2: var(--line-2);
  --accent2: var(--accent-2);
  --serif: var(--display);
  --ok: #1F3D22;
  --warn: #4F7A50;
  --risk: #9DBE8F;
}

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

body {
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1300px 520px at 82% -4%, color-mix(in oklab, #B4CCA8 14%, transparent), transparent 76%),
    radial-gradient(1000px 450px at -10% 24%, color-mix(in oklab, #C9DCC0 10%, transparent), transparent 72%),
    linear-gradient(180deg, color-mix(in oklab, var(--surface) 90%, var(--bg)) 0%, var(--bg) 62%);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  padding: 28px 16px 56px;
}
body.with-student-sidebar { padding: 0; }

.container { max-width: 1120px; margin: 0 auto; }
.layout-shell { min-height: 100vh; }

.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--line);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .brand-mark {
  font-size: 24px;
  letter-spacing: -0.01em;
}
.brand-link { text-decoration: none; color: inherit; display: block; }

.nav-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  margin-bottom: 6px;
  font-family: var(--mono);
}

.nav-list { display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 12px;
  transition: all 100ms;
}
.nav-item:hover { background: var(--surface-2); color: var(--ink); }
.nav-item.active { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.nav-item-locked {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  color: var(--ink-3);
}
.nav-lock { font-size: 10px; opacity: 0.8; }

.affiliation-roundel {
  background: var(--surface-2);
  border: 1px solid var(--line);
}
.affiliation-roundel-initial {
  color: var(--ink-2);
}

.affiliation-name-inline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  vertical-align: middle;
}

.nav-affiliation { margin-bottom: 10px; }
.nav-affiliation-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px 2px;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
}
.nav-affiliation-toggle:hover { background: var(--surface-2); }
.nav-affiliation-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.nav-affiliation-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}
.nav-affiliation-chevron {
  font-size: 11px;
  color: var(--ink-3);
  transition: transform 120ms ease;
  transform-origin: center;
}
.nav-affiliation.is-collapsed .nav-affiliation-chevron { transform: rotate(-90deg); }
.nav-affiliation-links { margin-top: 2px; }
.nav-affiliation.is-collapsed .nav-affiliation-links { display: none; }
.nav-role {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}
.nav-role-label {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  padding: 8px 10px 2px;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  line-height: 1.5;
}
.sidebar-account-menu {
  position: relative;
  margin-top: 10px;
}
.sidebar-account {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: background 100ms;
}
.sidebar-account:hover { background: var(--surface-2); }
.sidebar-account-badge {
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  border-radius: 9px;
  background: #b23b3b;
  color: #fff;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 17px;
  text-align: center;
  flex: 0 0 auto;
}
.account-menu-count {
  margin-left: auto;
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  border-radius: 9px;
  background: #b23b3b;
  color: #fff;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 17px;
  text-align: center;
}
.sidebar-account-caret {
  margin-left: auto;
  font-size: 10px;
  color: var(--ink-3);
  transition: transform 120ms ease;
}
.sidebar-account-menu.is-open .sidebar-account-caret { transform: rotate(180deg); }
.sidebar-account-popover {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 8px);
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(24, 38, 22, 0.16), 0 2px 6px rgba(24, 38, 22, 0.08);
  z-index: 30;
}
.sidebar-account-menu.is-open .sidebar-account-popover {
  display: flex;
  animation: account-menu-in 120ms ease;
}
@keyframes account-menu-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.account-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--ink-2);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1;
  text-transform: none;
  letter-spacing: 0;
  transition: background 100ms, color 100ms;
}
.account-menu-item:hover { background: var(--surface-2); color: var(--ink); }
.account-menu-item.active { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.account-menu-item svg { flex: 0 0 auto; opacity: 0.65; }
.account-menu-item:hover svg { opacity: 1; }
.account-menu-item-danger { color: #b23b3b; }
.account-menu-item-danger:hover { background: color-mix(in oklab, #b23b3b 12%, transparent); color: #9c3030; }
.account-menu-divider { height: 1px; background: var(--line); margin: 4px 6px; }
.sidebar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.sidebar-avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  color: var(--ink-3);
  font-size: 11px;
  text-transform: uppercase;
}
.sidebar-account-name {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main {
  padding: 28px 16px 56px;
  overflow-y: auto;
}

/* Mobile navigation (hidden on desktop, shown in the ≤880px media query) */
.mobile-topbar { display: none; }
.sidebar-backdrop { display: none; }

.main .container { max-width: 1120px; }

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

.brand-mark {
  font-family: var(--display);
  font-size: 40px;
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-logo { display: block; height: auto; max-width: 100%; }
.brand-logo-sidebar { width: 176px; }

.brand-sub {
  margin-top: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  font-family: var(--mono);
}

.nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.nav .muted { margin-right: 4px; }

.page-header {
  padding: 20px 22px;
  border: 1px solid color-mix(in oklab, var(--line) 88%, var(--ink) 12%);
  border-radius: 14px;
  background: linear-gradient(145deg, color-mix(in oklab, var(--surface) 84%, transparent), color-mix(in oklab, var(--bg) 80%, transparent));
  box-shadow: 0 14px 30px color-mix(in oklab, #182616 10%, transparent), 0 1px 0 color-mix(in oklab, var(--surface) 95%, #fff 5%) inset;
  margin-bottom: 16px;
}

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-3);
  font-family: var(--mono);
  margin-bottom: 8px;
}

h1.page-title {
  font-family: var(--display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}

.meta { margin-top: 10px; color: var(--ink-3); font-size: 12px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.08em; }

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 94%, var(--bg));
  box-shadow: 0 12px 28px color-mix(in oklab, #000 6%, transparent);
  padding: 20px;
  margin-bottom: 14px;
}

.chart-shell {
  margin: 12px 0 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in oklab, var(--surface) 95%, var(--bg));
  padding: 12px;
}

.chart-canvas-wrap {
  position: relative;
  width: 100%;
  min-height: 300px;
  max-height: 360px;
}

.chart-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

.section-title {
  font-family: var(--display);
  font-size: 30px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
  line-height: 0.95;
}

.lock-badge {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-3);
  vertical-align: middle;
  margin-left: 8px;
}

.muted { color: var(--ink-3); font-size: 14px; }

.notification-list { list-style: none; margin: 0; padding: 0; }
.notification-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 4px;
  border-top: 1px solid var(--line);
}
.notification-item:first-child { border-top: 0; }
.notification-dot {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: transparent;
  flex: 0 0 auto;
}
.notification-item.is-unread .notification-dot { background: var(--accent); }
.notification-body { flex: 1 1 auto; min-width: 0; }
.notification-title { font-size: 14px; font-weight: 600; color: var(--ink); }
.notification-item.is-unread .notification-title { font-weight: 700; }
.notification-text { font-size: 13px; color: var(--ink-2); margin-top: 3px; line-height: 1.45; }
.notification-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.notification-item .btn { flex: 0 0 auto; }
.notification-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  align-self: center;
}
.notification-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  transition: background 100ms, color 100ms, border-color 100ms;
}
.notification-delete:hover {
  color: #b23b3b;
  border-color: color-mix(in oklab, #b23b3b 40%, var(--line));
  background: color-mix(in oklab, #b23b3b 8%, transparent);
}

.btn {
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 600;
  padding: 10px 14px;
  text-decoration: none;
  display: inline-block;
  transition: transform 130ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--accent); }

.messages { list-style: none; padding: 0; margin-bottom: 10px; }
.messages li { padding: 10px 12px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; font-family: var(--mono); font-size: 12px; }

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

.kpi { padding: 18px; }
.kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.13em; color: var(--ink-3); font-family: var(--mono); }
.kpi-value { font-family: var(--display); font-size: 44px; line-height: 0.95; margin-top: 4px; }

input[type='text'],
input[type='email'],
input[type='password'],
input[type='number'],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: var(--surface);
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  margin-top: 6px;
}

input[type='number'] { appearance: textfield; -moz-appearance: textfield; }
input[type='number']::-webkit-inner-spin-button,
input[type='number']::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type='date'] {
  appearance: none;
  -webkit-appearance: none;
  min-height: 42px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}
input[type='date'].profile-date-input {
  font-family: var(--mono);
  font-size: 13px;
  margin-top: 6px;
  padding-left: 18px;
  padding-right: 56px;
  border: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none'%3E%3Crect x='1' y='2.5' width='12' height='10.5' rx='1.5' stroke='%233e4a58' stroke-width='1.2'/%3E%3Cpath d='M1 5h12' stroke='%233e4a58' stroke-width='1.2'/%3E%3Cpath d='M4 1v3M10 1v3' stroke='%233e4a58' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px 14px;
}
input[type='date']::-webkit-datetime-edit { color: var(--ink); }
input[type='date']::-webkit-calendar-picker-indicator {
  opacity: 0;
  cursor: pointer;
  position: absolute;
  right: 8px;
  width: 28px;
  height: 28px;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid color-mix(in oklab, var(--accent) 20%, transparent);
  border-color: var(--accent);
}

label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.13em; color: var(--ink-3); font-family: var(--mono); }

table { width: 100%; border-collapse: collapse; }
th {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  font-family: var(--mono);
  font-weight: 500;
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--line);
}
td { border-bottom: 1px solid var(--line); padding: 10px 8px; }
tbody tr:hover { background: color-mix(in oklab, var(--surface-2) 84%, transparent); }

.field-group p { margin-bottom: 14px; }
.helptext { font-size: 12px; color: var(--ink-3); display: block; margin-top: 4px; }
ul.errorlist { list-style: none; margin: 4px 0 8px; color: #b93f3f; font-size: 12px; font-family: var(--mono); }

.btn-sm { padding: 7px 12px; font-size: 10px; }

.avatar-field { margin-bottom: 14px; }
.avatar-uploader {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in oklab, var(--surface) 96%, var(--bg));
}
.avatar-preview {
  width: 72px;
  height: 72px;
  flex: 0 0 auto;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--surface-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(24, 38, 22, 0.08);
}
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.avatar-preview-fallback {
  font-family: var(--display);
  font-size: 30px;
  line-height: 1;
  color: var(--ink-3);
  text-transform: uppercase;
}
.avatar-uploader-body { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.avatar-uploader-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.avatar-filename {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}
.avatar-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Camera-only profile picture capture */
.camera-capture { margin-top: 8px; }
.camera-thumb-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.camera-thumb {
  width: 72px;
  height: 72px;
  flex: 0 0 auto;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--surface-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(24, 38, 22, 0.08);
}
.camera-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.camera-thumb-placeholder {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: center;
  padding: 0 6px;
}
.camera-hint { font-size: 12px; margin: 6px 0 0; }
.camera-error { margin: 0; font-size: 13px; color: var(--danger, #b3261e); }

/* Capture modal */
.camera-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.camera-modal[hidden] { display: none; }
.camera-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 14, 0.55);
  backdrop-filter: blur(2px);
}
.camera-modal-card {
  position: relative;
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(16, 24, 14, 0.35);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.camera-modal-title {
  font-family: var(--display);
  font-size: 18px;
  margin: 0;
  align-self: flex-start;
}
.camera-modal-x {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.camera-modal-x:hover { color: var(--ink); }
.camera-modal-stage {
  width: 320px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: #0b0f0a;
  display: flex;
  align-items: center;
  justify-content: center;
}
.camera-modal-stage .camera-video,
.camera-modal-stage .camera-shot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* `hidden` must win over the display:block above so the off-state element
   doesn't render as a broken/empty box. */
.camera-modal-stage .camera-video[hidden],
.camera-modal-stage .camera-shot[hidden] { display: none; }
.camera-modal-stage .camera-video {
  transform: scaleX(-1); /* mirror the live preview so it reads like a selfie */
}
.camera-modal-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 64px;
}
/* `hidden` must win over .btn's display:inline-block, otherwise Retake/Save
   show before a photo has been captured. */
.camera-modal-actions [hidden] { display: none; }
/* Shutter button */
.camera-shutter {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 4px solid var(--accent);
  background: var(--surface);
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: transform 0.08s ease;
}
.camera-shutter::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--accent);
  transition: background 0.12s ease;
}
.camera-shutter:hover::after { background: color-mix(in oklab, var(--accent) 85%, var(--ink)); }
.camera-shutter:active { transform: scale(0.94); }
.camera-shutter[hidden] { display: none; }

@media (max-width: 880px) {
  .grid-3 { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
  .nav { justify-content: flex-start; }
  .app { grid-template-columns: 1fr; }

  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 40;
  }
  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
  }
  .mobile-menu-toggle:hover { background: var(--surface-2); }
  .mobile-topbar-brand { display: inline-flex; align-items: center; text-decoration: none; }
  .mobile-topbar-logo { height: 30px; width: auto; display: block; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 60;
    width: 264px;
    max-width: 82vw;
    height: 100vh;
    height: 100dvh;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
    transform: translateX(-100%);
    transition: transform 200ms ease;
  }
  .sidebar.is-open { transform: translateX(0); }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
  }
  .sidebar-backdrop.is-visible { opacity: 1; pointer-events: auto; }

  body.sidebar-open { overflow: hidden; }

  .main { padding-top: 20px; }
}