/* =========================================================
   Progressio HR Portal — layout & components
   Built on top of tokens.css. Rectilinear, dot-grid brand,
   generous whitespace, hairline rules, no shadows/blur.
   ========================================================= */

* { box-sizing: border-box; }
body { margin: 0; }
img { max-width: 100%; display: block; }

/* ---------- App shell ---------- */
.app-shell {
  display: grid;
  grid-template-columns: 272px 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-1);
  padding: var(--space-5) 0 var(--space-6);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--border-1);
  margin-bottom: var(--space-4);
}
.sidebar-brand img { height: 26px; width: auto; }

.sidebar-nav { flex: 1; padding: 0 var(--space-3); }

.nav-group { margin-bottom: var(--space-2); }

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px var(--space-3);
  border-radius: var(--radius-md);
  color: var(--fg-2);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  border-bottom: none;
  transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}
.nav-link:hover { background: var(--bg-subtle); opacity: 1; color: var(--fg-1); }
.nav-link:active { background: var(--neutral-200); }
.nav-link.active { background: var(--prgs-blue-050); color: var(--fg-brand); font-weight: 600; }
.nav-link .nav-icon { width: 18px; height: 18px; flex: none; stroke-width: 1.5; }
.nav-link .nav-caret {
  margin-left: auto; width: 14px; height: 14px; stroke-width: 1.5;
  transition: transform var(--duration-fast) var(--ease-standard);
}
.nav-group.open .nav-caret { transform: rotate(90deg); }

.nav-sublist {
  list-style: none;
  margin: 2px 0 6px;
  padding: 0 0 0 30px;
  display: none;
  border-left: 1px solid var(--border-1);
  margin-left: 21px;
}
.nav-group.open .nav-sublist { display: block; }

.nav-sublink {
  display: block;
  padding: 7px var(--space-3);
  font-size: 13px;
  color: var(--fg-3);
  border-bottom: none;
  border-radius: var(--radius-sm);
}
.nav-sublink:hover { color: var(--fg-1); opacity: 1; background: var(--bg-subtle); }
.nav-sublink:active { background: var(--neutral-200); }
.nav-sublink.active { color: var(--fg-brand); font-weight: 600; background: var(--prgs-blue-050); }

.sidebar-foot {
  position: relative;
  padding: var(--space-4) var(--space-5) 0;
  border-top: 1px solid var(--border-1);
  margin-top: var(--space-4);
}
.sidebar-foot::before {
  content: '';
  position: absolute;
  top: 12px; right: 14px;
  width: 60px; height: 60px;
  background-image: radial-gradient(circle, var(--prgs-blue-300) 1.3px, transparent 1.3px);
  background-size: 12px 12px;
  opacity: .3;
  -webkit-mask-image: radial-gradient(circle at 100% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 100% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}

/* ---------- Topbar (mobile) ---------- */
.topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-1);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar img { height: 22px; }
.menu-btn {
  background: none; border: 1px solid var(--border-1); border-radius: var(--radius-md);
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--fg-1);
  transition: background var(--duration-fast) var(--ease-standard);
}
.menu-btn:hover { background: var(--bg-subtle); }
.menu-btn:active { background: var(--neutral-200); }

/* ---------- Main content ---------- */
.main { min-width: 0; }
.content {
  max-width: 920px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-9);
}

.breadcrumb {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-caption); color: var(--fg-3); margin-bottom: var(--space-5);
}
.breadcrumb a { color: var(--fg-3); border-bottom: none; }
.breadcrumb a:hover { color: var(--fg-brand); opacity: 1; }
.breadcrumb .sep { color: var(--border-2); }

.page-head {
  position: relative;
  overflow: hidden;
  margin: 0 0 var(--space-7);
  padding: var(--space-6) var(--space-7) var(--space-7);
  background: linear-gradient(155deg, var(--bg-brand-soft) 0%, var(--bg-surface) 78%);
  border: 1px solid var(--prgs-blue-100);
  border-radius: var(--radius-lg);
}
.page-head::after {
  content: '';
  position: absolute;
  top: -34px; right: -28px;
  width: 240px; height: 180px;
  background-image: radial-gradient(circle, var(--prgs-blue-500) 1.6px, transparent 1.6px);
  background-size: var(--dot-gap) var(--dot-gap);
  opacity: .28;
  -webkit-mask-image: linear-gradient(135deg, #000 20%, transparent 68%);
  mask-image: linear-gradient(135deg, #000 20%, transparent 68%);
  pointer-events: none;
}
.page-head > * { position: relative; z-index: 1; }
.page-head .eyebrow { display: inline-flex; align-items: center; gap: 7px; }
.page-head .eyebrow::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--dot-color-accent); flex: none; }
.page-head h1 { margin: 10px 0 var(--space-3); }
.page-head .p { font-size: var(--fs-body-lg); color: var(--fg-2); max-width: 62ch; margin-bottom: 0; }

section.block { margin-bottom: var(--space-7); }
section.block h2 { margin-bottom: var(--space-3); padding-top: var(--space-2); }
section.block h3 { margin: var(--space-5) 0 var(--space-2); }
section.block h4 { margin: var(--space-4) 0 var(--space-2); }

ul.list, ol.list { margin: 0 0 var(--space-4); padding-left: 0; list-style: none; color: var(--fg-2); }
ul.list li, ol.list li { position: relative; padding-left: 22px; margin-bottom: var(--space-2); line-height: var(--lh-body); }
ul.list li::before {
  content: ''; position: absolute; left: 4px; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--dot-color);
}
ol.list { counter-reset: ol-counter; }
ol.list li { counter-increment: ol-counter; padding-left: 26px; }
ol.list li::before {
  content: counter(ol-counter); position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--fg-brand);
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-1);
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}
.link-card:hover { border-color: var(--prgs-blue-300); background: var(--bg-brand-soft); opacity: 1; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.link-card:active { transform: translateY(-1px); box-shadow: var(--shadow-sm); transition-duration: 60ms; }
.icon-badge {
  width: 40px; height: 40px; border-radius: var(--radius-md); flex: none;
  background: var(--bg-brand-soft); color: var(--fg-brand);
  display: flex; align-items: center; justify-content: center;
}
.icon-badge svg { width: 20px; height: 20px; stroke-width: 1.5; }
.link-card h3 { font-size: var(--fs-h4); font-weight: 600; font-family: var(--font-body); }
.link-card p { margin: 0; font-size: var(--fs-body-sm); color: var(--fg-3); }

/* ---------- Bento grid (Home) ---------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: var(--space-4);
}
.bento-tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-1);
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}
.bento-tile:hover { border-color: var(--prgs-blue-300); transform: translateY(-2px); box-shadow: var(--shadow-md); opacity: 1; }
.bento-tile:active { transform: translateY(-1px); box-shadow: var(--shadow-sm); transition-duration: 60ms; }
.bento-tile h3 { font-size: var(--fs-h4); font-weight: 600; font-family: var(--font-body); }
.bento-tile p { margin: 0; font-size: var(--fs-body-sm); color: var(--fg-3); }

.bento-tile.featured {
  grid-column: span 2;
  grid-row: span 2;
  justify-content: space-between;
  background: linear-gradient(155deg, var(--bg-brand-soft), var(--bg-surface) 70%);
  border-color: var(--prgs-blue-200);
}
.bento-tile.featured:hover { background: linear-gradient(155deg, var(--prgs-blue-100), var(--bg-surface) 70%); }
.bento-tile.featured .icon-badge.lg {
  width: 52px; height: 52px; border-radius: var(--radius-lg);
  background: var(--bg-surface); border: 1px solid var(--prgs-blue-200);
}
.bento-tile.featured .icon-badge.lg svg { width: 26px; height: 26px; }
.bento-tile.featured h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--fs-h3); }
.bento-tile.featured p { font-size: var(--fs-body); color: var(--fg-2); max-width: 34ch; }
.bento-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-body-sm); font-weight: 600; color: var(--fg-brand); margin-top: auto; padding-top: var(--space-2);
}
.bento-cta svg { width: 15px; height: 15px; stroke-width: 1.5; transition: transform var(--duration-fast) var(--ease-standard); }
.bento-tile.featured:hover .bento-cta svg { transform: translateX(3px); }

.bento-tile.cyan { background: var(--prgs-cyan-100); border-color: var(--prgs-cyan-200); }
.bento-tile.cyan:hover { background: #DCF3FA; border-color: var(--prgs-cyan-300); }
.bento-tile.cyan .icon-badge { background: var(--bg-surface); color: var(--prgs-cyan-700); }

/* ---------- Stat strip (Home) ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin: 0 0 var(--space-7);
  padding: var(--space-5) 0 var(--space-6);
  border-bottom: 1px solid var(--border-1);
}
.stat-num {
  display: block; font-family: var(--font-display); font-weight: 300;
  font-size: var(--fs-h1); color: var(--fg-brand); line-height: 1;
}
.stat-label { display: block; margin-top: 6px; font-size: var(--fs-caption); color: var(--fg-3); max-width: 18ch; }

/* ---------- Callouts ---------- */
.callout {
  border: 1px solid var(--prgs-blue-200);
  background: var(--bg-brand-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-4) 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout.warning { border-color: #F0DBA0; background: #FFF7E6; }
.callout.danger { border-color: #F0C0C0; background: #FDECEC; }
.callout .callout-label { display: block; margin-bottom: var(--space-2); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: var(--space-4) 0; border: 1px solid var(--border-1); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-body-sm); background: var(--bg-surface); }
th, td { text-align: left; padding: 12px var(--space-4); border-bottom: 1px solid var(--border-1); }
thead th {
  font-family: var(--font-body); font-size: var(--fs-micro); font-weight: 600;
  letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--fg-3);
  background: var(--bg-subtle);
}
tbody tr:last-child td { border-bottom: none; }
td { color: var(--fg-2); }

/* ---------- Tags ---------- */
.tag {
  font-family: var(--font-body); font-size: 11px; font-weight: 500;
  padding: 5px 10px; border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; gap: 6px;
}
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag.brand { background: var(--prgs-blue-100); color: var(--prgs-blue-800); }
.tag.accent { background: var(--prgs-orange-100); color: var(--prgs-orange-700); }
.tag.cyan { background: var(--prgs-cyan-100); color: var(--prgs-cyan-700); }
.tag.neutral { background: var(--neutral-100); color: var(--fg-2); }
.tag.success { background: #E6F6EC; color: #0E6B38; }
.tag.warning { background: #FFF2D6; color: #7A5000; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body); font-size: 14px; font-weight: 500; line-height: 1;
  padding: 12px 20px; border-radius: var(--radius-md); border: 1px solid transparent;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: opacity var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard);
}
.btn.primary { background: var(--prgs-blue-700); color: #fff; border-bottom: none; }
.btn.primary:hover { background: var(--prgs-blue-800); opacity: 1; }
.btn.primary:active { background: var(--prgs-blue-900); }
.btn.secondary { background: transparent; color: var(--prgs-blue-700); border-color: var(--prgs-blue-700); border-bottom: 1px solid var(--prgs-blue-700); }
.btn.secondary:hover { background: var(--prgs-blue-050); opacity: 1; }
.btn.secondary:active { background: var(--prgs-blue-100); }
.btn.ghost { background: transparent; color: var(--fg-1); border-bottom: none; }
.btn.ghost:hover { background: var(--neutral-100); opacity: 1; }
.btn.ghost:active { background: var(--neutral-200); }
.btn.accent { background: var(--prgs-orange-500); color: #fff; border-bottom: none; }
.btn.accent:hover { background: var(--prgs-orange-600); opacity: 1; }
.btn.accent:active { background: var(--prgs-orange-700); }
.btn.inverse { background: rgba(255,255,255,.14); color: #fff; border-bottom: none; }
.btn.inverse:hover { background: rgba(255,255,255,.22); opacity: 1; }
.btn.inverse:active { background: rgba(255,255,255,.3); }
.btn.sm { padding: 8px 14px; font-size: 12px; }
.btn[disabled], .btn.disabled { opacity: .4; pointer-events: none; }
.btn svg { width: 16px; height: 16px; stroke-width: 1.5; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: var(--space-4) 0; }

/* ---------- Accordion (FAQ, IP ownership) ---------- */
.accordion { border-top: 1px solid var(--border-1); }
.accordion-item { border-bottom: 1px solid var(--border-1); }
.accordion-trigger {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4) 2px; font-family: var(--font-body); font-size: var(--fs-body);
  font-weight: 600; color: var(--fg-1);
  transition: opacity var(--duration-fast) var(--ease-standard);
}
.accordion-trigger:hover { opacity: .72; }
.accordion-trigger:active { opacity: .56; }
.accordion-trigger .plus {
  flex: none; width: 20px; height: 20px; position: relative; color: var(--fg-brand);
}
.accordion-trigger .plus::before, .accordion-trigger .plus::after {
  content: ''; position: absolute; background: currentColor; top: 50%; left: 50%;
  transform: translate(-50%, -50%); transition: transform var(--duration-fast) var(--ease-standard);
}
.accordion-trigger .plus::before { width: 12px; height: 1.5px; }
.accordion-trigger .plus::after { width: 1.5px; height: 12px; }
.accordion-item.open .plus::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-med) var(--ease-standard);
}
.accordion-item.open .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel-inner { overflow: hidden; min-height: 0; padding: 0 2px; color: var(--fg-2); }
.accordion-item.open .accordion-panel-inner { padding-bottom: var(--space-5); }
.accordion-panel-inner p:last-child { margin-bottom: 0; }

/* ---------- Sub-nav pager (prev/next within handbook) ---------- */
.pager {
  display: flex; justify-content: space-between; gap: var(--space-4);
  border-top: 1px solid var(--border-1); margin-top: var(--space-8); padding-top: var(--space-5);
}
.pager a { border-bottom: none; display: block; }
.pager .pager-link { color: var(--fg-2); }
.pager .pager-link:hover { color: var(--fg-brand); opacity: 1; }
.pager .pager-dir { display: block; }
.pager .pager-title { font-family: var(--font-display); font-size: var(--fs-h4); color: var(--fg-1); }
.pager .next { text-align: right; margin-left: auto; }

/* ---------- Dot grid decor ---------- */
.dot-field {
  display: grid; grid-template-columns: repeat(8, 1fr); gap: var(--dot-gap);
  width: fit-content;
}
.dot-field span { width: var(--dot-size-sm); height: var(--dot-size-sm); border-radius: 50%; background: var(--dot-color); opacity: .5; }

/* ---------- Hero (home) ---------- */
.hero {
  background: var(--bg-brand);
  color: var(--fg-inverse);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-7);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-7);
}
.hero h1, .hero .display-md { color: #fff; }
.hero .p { color: rgba(255,255,255,.8); font-size: var(--fs-body-lg); }
.hero-dots {
  position: absolute; top: -40px; right: -40px; opacity: .12;
  display: grid; grid-template-columns: repeat(10, 1fr); gap: 14px;
}
.hero-dots span { width: 6px; height: 6px; border-radius: 50%; background: #fff; }
.hero-dots span.accent { background: var(--dot-color-accent); opacity: 1; }

/* ---------- Footer ---------- */
.portal-footer {
  border-top: 1px solid var(--border-1); padding: var(--space-6) 0; margin-top: var(--space-8);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3);
}

/* ---------- Overlay (mobile sidebar) ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(10,10,9,.4); z-index: 39;
  opacity: 0; pointer-events: none;
  transition: opacity var(--duration-med) var(--ease-standard);
}
body.nav-open .overlay { opacity: 1; pointer-events: auto; }

/* ---------- Focus ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--ring-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .topbar { display: flex; }
  .sidebar {
    position: fixed; left: 0; top: 0; z-index: 40; width: 280px;
    transform: translateX(-100%); transition: transform var(--duration-med) var(--ease-standard);
    box-shadow: var(--shadow-lg);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  .content { padding: var(--space-6) var(--space-4) var(--space-8); }
  .hero { padding: var(--space-6) var(--space-5); }
  .page-head { padding: var(--space-5) var(--space-5) var(--space-6); }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-tile.featured { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 600px) {
  .display-md { font-size: 36px; }
  h1, .h1 { font-size: 30px; }
  .card-grid { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-tile.featured { grid-column: span 1; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-5); }
}