:root {
  --font-sans: "Atkinson Hyperlegible", "Segoe UI", Arial, sans-serif;
  --shell-gap: 1rem;
  --sidenav-width: 228px;
  --compact-row-h: 38px;
  --compact-radius: 11px;
  --topbar-h: 64px;
  --topbar-h-mobile: 56px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  border: 0 !important;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background-color: var(--canvas-bg);
  overflow-x: hidden;
}

.app-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: var(--sidenav-width) minmax(0, 1fr);
  background: var(--canvas-bg);
  position: relative;
}

.sidenav {
  border-right: 1px solid var(--chrome-border);
  background: var(--chrome-bg);
  color: var(--chrome-text);
  padding: 0.7rem 0.65rem;
  overflow-y: auto;
}

.sidenav-title {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--chrome-text);
}

.sidenav-meta {
  margin: 0 0 0.45rem;
  color: var(--chrome-muted);
  font-size: 0.82rem;
}

.sidenav-nav {
  display: grid;
  gap: 0.2rem;
}

.sidenav-nav a {
  min-height: var(--compact-row-h);
  height: var(--compact-row-h);
  display: flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--compact-radius);
  background: transparent;
  color: var(--chrome-text);
  text-decoration: none;
  font-size: 0.86rem;
  line-height: 1;
  padding: 0 0.68rem;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.sidenav-nav a:hover {
  background: color-mix(in srgb, var(--chrome-text) 12%, transparent);
}

.sidenav-nav a[aria-current="page"] {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--chrome-border));
  background: color-mix(in srgb, var(--primary) 16%, transparent);
  font-weight: 700;
  position: relative;
}

.sidenav-nav a[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0.22rem;
  top: 0.45rem;
  bottom: 0.45rem;
  width: 3px;
  border-radius: 999px;
  background: var(--primary);
}

.shell-main {
  min-width: 0;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--canvas-bg);
}

.topbar {
  border-bottom: 1px solid var(--chrome-border);
  background: var(--chrome-bg);
  color: var(--chrome-text);
  min-height: var(--topbar-h);
  position: sticky;
  top: 0;
  z-index: 1500;
  overflow: visible;
}

.topbar-inner {
  min-height: var(--topbar-h);
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
}

.topbar-left,
.topbar-center,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.topbar-left {
  flex: 0 0 auto;
  order: 0;
}

.topbar-brand {
  order: 1;
  flex: 0 0 auto;
  color: var(--chrome-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.topbar-center {
  order: 2;
  flex: 1 1 auto;
  justify-content: flex-start;
  min-width: 0;
}

.topbar-search-wrap {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
}

.topbar-right {
  order: 3;
  flex: 0 0 auto;
  margin-left: auto;
}

.topbar-menu-toggle {
  display: none;
}

.topbar-breadcrumb {
  color: var(--chrome-muted);
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-search {
  min-width: 0;
  width: 100%;
  max-width: clamp(160px, 45vw, 320px);
  min-height: var(--compact-row-h);
  height: var(--compact-row-h);
  border: 1px solid var(--chrome-border);
  border-radius: var(--compact-radius);
  background: var(--chrome-surface);
  color: var(--chrome-text);
  font-size: 0.84rem;
  padding: 0 0.58rem;
}

.topbar-search::placeholder {
  color: var(--chrome-muted);
}

.topbar-search-toggle {
  display: none;
}

.topbar-search-row {
  display: none;
}

.topbar-search-row-input {
  width: 100%;
}

.content-canvas {
  padding: 1rem 1.15rem 1.4rem;
  background: var(--canvas-bg);
  color: var(--text);
}

.content {
  background: var(--canvas-bg);
  color: var(--text);
}

.page-header h1 {
  margin: 0;
  font-size: 1.7rem;
}

.page-subtitle {
  margin: 0.3rem 0 0.9rem;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: var(--shell-gap);
}

.grid.cards,
.kpi-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card,
.kpi-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.card-header,
.kpi-header {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}

.card-body,
.kpi-body {
  padding: 0.75rem;
}

.btn {
  min-height: var(--compact-row-h);
  min-width: var(--compact-row-h);
  height: var(--compact-row-h);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--compact-radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  font-size: 0.83rem;
  padding: 0 0.58rem;
  cursor: pointer;
}

.btn-primary {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 86%, #0000);
  color: #fff;
}

.btn-secondary {
  border-color: var(--border);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
}

.topbar-btn {
  min-height: var(--compact-row-h);
  height: var(--compact-row-h);
  border-color: var(--chrome-border);
  background: var(--chrome-surface);
  color: var(--chrome-text);
}

.icon-btn {
  width: var(--compact-row-h);
  min-width: var(--compact-row-h);
  padding: 0;
}

.topbar .c-avatar-btn,
.topbar .c-icon-btn {
  min-height: var(--compact-row-h);
  min-width: var(--compact-row-h);
  height: var(--compact-row-h);
  border-radius: var(--compact-radius);
  padding: 0;
  border-color: var(--chrome-border);
  background: var(--chrome-surface);
  color: var(--chrome-text);
}

.topbar .c-welcome {
  color: var(--chrome-text);
  font-weight: 650;
}

input,
select,
textarea {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--compact-radius);
  background: var(--surface);
  padding: 0.45rem 0.55rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 0.45rem 0.35rem;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 700;
}

.wrap-anywhere {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.truncate {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidenav-backdrop {
  display: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

@media (max-width: 899px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidenav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100dvh;
    width: min(86vw, 320px);
    max-width: 320px;
    transform: translateX(-110%);
    transition: transform 180ms ease;
    z-index: 1200;
    border-right: 1px solid var(--chrome-border);
    border-bottom: none;
    box-shadow: var(--shadow-md);
  }

  body.shell-has-sidenav .topbar-menu-toggle {
    display: inline-flex;
  }

  body.sidenav-open .sidenav[data-shell-sidenav] {
    transform: translateX(0);
  }

  body.shell-has-sidenav .sidenav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1100;
  }

  body.sidenav-open .sidenav-backdrop {
    display: block;
  }

  body.sidenav-open {
    overflow: hidden;
  }

  .topbar {
    min-height: var(--topbar-h-mobile);
  }

  .topbar-inner {
    min-height: var(--topbar-h-mobile);
    gap: 0.45rem;
    padding: 0.45rem 0.65rem;
  }

  .topbar-search {
    max-width: clamp(140px, 48vw, 280px);
  }

  .content-canvas {
    padding: 0.9rem;
  }
}

@media (max-width: 599px) {
  .topbar-inner {
    gap: 0.35rem;
    padding: 0.4rem 0.55rem;
  }

  .topbar-breadcrumb {
    display: none;
  }

  .topbar-search {
    max-width: clamp(130px, 45vw, 210px);
  }

  .topbar-brand {
    max-width: 38vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .content-canvas {
    padding: 0.75rem;
  }

  .card-grid,
  .grid.cards,
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .sidenav-nav a,
  .topbar-btn,
  .topbar .c-avatar-btn,
  .topbar .c-icon-btn {
    min-height: 40px;
    height: 40px;
  }
}

@media (max-width: 520px) {
  .topbar-inner {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.55rem;
  }

  .topbar-brand {
    grid-column: 2;
    justify-self: center;
    text-align: center;
    max-width: 60vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .topbar-left {
    grid-column: 1;
    justify-content: flex-start;
  }

  .topbar-right {
    grid-column: 3;
    margin-left: 0;
    gap: 0.3rem;
  }

  .topbar-center,
  .topbar-search-wrap,
  .topbar-breadcrumb,
  .topbar-right .only-guest {
    display: none;
  }

  .topbar-menu-toggle {
    display: inline-flex;
  }

  .topbar-search-toggle {
    display: inline-flex;
  }

  .topbar-search-row {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    padding: 0.45rem 0.55rem 0.55rem;
    border-top: 1px solid var(--chrome-border);
    border-bottom: 1px solid var(--chrome-border);
    background: var(--chrome-bg);
    z-index: 1450;
  }

  .topbar-search-row[hidden] {
    display: none !important;
  }

  .topbar-search-row-input {
    min-height: 40px;
    height: 40px;
    border: 1px solid var(--chrome-border);
    border-radius: var(--compact-radius);
    background: var(--chrome-surface);
    color: var(--chrome-text);
    padding: 0 0.58rem;
  }

  .topbar-search-row-input::placeholder {
    color: var(--chrome-muted);
  }

  .topbar .user-menu-trigger-text {
    display: none;
  }

  .topbar .user-menu-trigger {
    min-width: 40px;
    min-height: 40px;
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
  }
}