:root {
  --bg: #070b14;
  --bg2: #0c1322;
  --panel: rgba(18, 27, 46, .72);
  --panel-solid: #121b2e;
  --line: rgba(148, 163, 184, .16);
  --line-strong: rgba(148, 163, 184, .3);
  --text: #e5ecf6;
  --muted: #8a9ab3;
  --accent: #22d3ee;
  --accent-ink: #04222a;
  --essential: #34d399;
  --optional: #fbbf24;
  --advanced: #f472b6;
  --danger: #f87171;
  --track: rgba(148, 163, 184, .14);
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --radius: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="light"] {
  --bg: #eef2f8;
  --bg2: #e3e9f3;
  --panel: rgba(255, 255, 255, .85);
  --panel-solid: #ffffff;
  --line: rgba(15, 23, 42, .1);
  --line-strong: rgba(15, 23, 42, .22);
  --text: #0f172a;
  --muted: #55657e;
  --accent-ink: #ffffff;
  --essential: #059669;
  --optional: #d97706;
  --advanced: #db2777;
  --danger: #dc2626;
  --track: rgba(15, 23, 42, .08);
  --shadow: 0 8px 24px rgba(15, 23, 42, .08);
}
:root[data-theme="light"][data-accent-light] { --accent: var(--accent-light); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; font-family: var(--font); color: var(--text); line-height: 1.5;
  background:
    radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, color-mix(in srgb, var(--advanced) 10%, transparent), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
kbd { font-family: var(--mono); font-size: .75em; padding: 1px 6px; border: 1px solid var(--line-strong); border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px;
  padding: 10px 24px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 75%, transparent); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); font-size: 1.1rem; letter-spacing: .2px; }
.brand svg { color: var(--accent); filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent) 60%, transparent)); }
.brand b { color: var(--accent); font-weight: 700; }
.mainnav { display: flex; gap: 4px; margin-left: 12px; }
.mainnav a { color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 999px; font-size: .92rem; }
.mainnav a:hover { color: var(--text); background: var(--track); }
.mainnav a.active { color: var(--accent-ink); background: var(--accent); }
.topactions { margin-left: auto; display: flex; gap: 6px; }
.iconbtn { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; }
.iconbtn:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 1280px; margin: 0 auto; padding: 24px; outline: none; }
.loading { color: var(--muted); padding: 80px 0; text-align: center; }
.foot { max-width: 1280px; margin: 0 auto; padding: 24px; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line); }

/* Panels & grid */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); backdrop-filter: blur(8px); }
.panel h2, .panel h3 { margin: 0 0 12px; font-size: 1rem; letter-spacing: .3px; }
.panel .sub { color: var(--muted); font-size: .85rem; margin: -8px 0 14px; }
.grid { display: grid; gap: 18px; }
.dash { grid-template-columns: repeat(12, 1fr); }
.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: span 12; }
@media (max-width: 1000px) { .span-4, .span-5, .span-6, .span-7, .span-8 { grid-column: span 12; } }
@media (max-width: 700px) {
  main { padding: 16px; } .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .mainnav { order: 3; width: 100%; margin: 0; overflow-x: auto; }
}

.pagehead { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin: 4px 0 20px; flex-wrap: wrap; }
.pagehead h1 { margin: 0; font-size: 1.75rem; letter-spacing: -.3px; }
.pagehead p { margin: 4px 0 0; color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: 1.6px; font-size: .72rem; color: var(--accent); font-weight: 600; }

/* Hero / gauge */
.hero { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.gauge { width: 260px; max-width: 100%; }
.gauge text { font-family: var(--font); }
.grade { font-size: .8rem; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: 10px; flex: 1; min-width: 240px; }
.stat { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: color-mix(in srgb, var(--panel-solid) 60%, transparent); }
.stat .v { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--muted); font-size: .78rem; }
.stat.e .v { color: var(--essential); } .stat.o .v { color: var(--optional); } .stat.a .v { color: var(--advanced); }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.chartwrap { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: center; }
.chartwrap svg { max-width: 100%; height: auto; }
svg .lbl { fill: var(--muted); font-size: 12px; }
svg .lbl:hover { fill: var(--text); }
svg a { cursor: pointer; }

/* Heatmap */
.matrix { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; align-items: center; }
.matrix .row-l { font-size: .82rem; color: var(--muted); text-decoration: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.matrix .row-l:hover { color: var(--text); }
.cells { display: flex; flex-wrap: wrap; gap: 3px; }
.cell { width: 14px; height: 14px; border-radius: 3px; background: var(--track); border: 1px solid transparent; cursor: pointer; padding: 0; }
.cell.p-essential { border-color: color-mix(in srgb, var(--essential) 45%, transparent); }
.cell.p-optional { border-color: color-mix(in srgb, var(--optional) 45%, transparent); }
.cell.p-advanced { border-color: color-mix(in srgb, var(--advanced) 45%, transparent); }
.cell.done.p-essential { background: var(--essential); } .cell.done.p-optional { background: var(--optional); } .cell.done.p-advanced { background: var(--advanced); }
.cell.ign { background: repeating-linear-gradient(45deg, var(--track), var(--track) 2px, transparent 2px, transparent 4px); border-color: var(--line); }
.cell:hover { transform: scale(1.35); }
@media (max-width: 700px) { .matrix { grid-template-columns: 1fr; } }

/* Section cards */
.cards { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card { display: flex; gap: 14px; align-items: center; text-decoration: none; color: var(--text); padding: 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); transition: transform .15s, border-color .15s; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--c); }
.card:hover { transform: translateY(-2px); border-color: var(--c); }
.card h3 { margin: 0; font-size: .98rem; }
.card p { margin: 2px 0 0; color: var(--muted); font-size: .8rem; }
.card .ring { flex: none; }
.card .ic { width: 18px; height: 18px; fill: var(--c); }

/* Next actions */
.actions { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.actions li { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; }
.actions li a { color: var(--text); text-decoration: none; flex: 1; }
.actions li a:hover { color: var(--accent); }
.actions .sec { color: var(--muted); font-size: .78rem; display: block; }

/* Badges & chips */
.badge { display: inline-block; font-size: .7rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; text-transform: capitalize; border: 1px solid currentColor; white-space: nowrap; }
.badge.essential { color: var(--essential); } .badge.optional { color: var(--optional); } .badge.advanced { color: var(--advanced); }
.badge.custom { color: var(--accent); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line-strong); background: transparent; border-radius: 999px; padding: 5px 12px; font-size: .82rem; cursor: pointer; color: var(--muted); }
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chip.e[aria-pressed="true"] { background: var(--essential); border-color: var(--essential); color: #04170f; }
.chip.o[aria-pressed="true"] { background: var(--optional); border-color: var(--optional); color: #1d1300; }
.chip.a[aria-pressed="true"] { background: var(--advanced); border-color: var(--advanced); color: #22040f; }

.btn { display: inline-block; text-decoration: none; color: var(--text); border: 1px solid var(--line-strong); background: var(--panel-solid); padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: .88rem; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.1); color: var(--accent-ink); }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }
.btn.sm { padding: 4px 10px; font-size: .78rem; border-radius: 8px; }

/* Toolbar */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 0 0 16px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); position: sticky; top: 58px; z-index: 5; backdrop-filter: blur(10px); }
.toolbar input[type=search], .field, select.field, textarea.field { background: var(--panel-solid); border: 1px solid var(--line-strong); border-radius: 10px; padding: 7px 12px; min-width: 0; }
.toolbar input[type=search] { flex: 1; min-width: 180px; }
.toolbar .grp { display: flex; gap: 6px; align-items: center; }
.toolbar .grp > span { color: var(--muted); font-size: .78rem; }
.count { color: var(--muted); font-size: .85rem; margin-left: auto; }

/* Segmented progress */
.seg { display: flex; height: 10px; border-radius: 999px; overflow: hidden; background: var(--track); }
.seg span { display: block; height: 100%; transition: width .4s; }
.seg .e { background: var(--essential); } .seg .o { background: var(--optional); } .seg .a { background: var(--advanced); }

/* Section head */
.sechead { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; margin-bottom: 18px; }
.sechead .big { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 18%, transparent); border: 1px solid color-mix(in srgb, var(--c) 40%, transparent); }
.sechead .big svg { width: 30px; height: 30px; fill: var(--c); }
.sechead h1 { margin: 0; font-size: 1.6rem; }
.sechead p { margin: 2px 0 0; color: var(--muted); }
@media (max-width: 700px) { .sechead { grid-template-columns: auto 1fr; } .sechead .ringbox { grid-column: span 2; } }
.intro { color: var(--muted); font-size: .92rem; }
.intro p { margin: 0 0 8px; }
details.more summary { cursor: pointer; color: var(--accent); font-size: .88rem; }

/* Checklist items */
.items { display: grid; gap: 10px; }
.item { border: 1px solid var(--line); border-left: 4px solid var(--pc); border-radius: 14px; background: var(--panel); transition: opacity .2s, border-color .2s; }
.item.p-essential { --pc: var(--essential); } .item.p-optional { --pc: var(--optional); } .item.p-advanced { --pc: var(--advanced); }
.item.done { background: color-mix(in srgb, var(--pc) 7%, var(--panel)); }
.item.done .ititle { text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--text) 40%, transparent); }
.item.ignored { opacity: .5; }
.item.flash { animation: flash 1.4s ease; }
@keyframes flash { 0%, 40% { box-shadow: 0 0 0 3px var(--accent); } 100% { box-shadow: none; } }
.ihead { display: flex; gap: 12px; align-items: center; padding: 12px 14px; }
.check { appearance: none; -webkit-appearance: none; flex: none; width: 24px; height: 24px; border-radius: 8px; border: 2px solid var(--pc); cursor: pointer; display: grid; place-items: center; margin: 0; background: transparent; }
.check:checked { background: var(--pc); }
.check:checked::after { content: ""; width: 6px; height: 11px; border: solid #071018; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg) translate(-1px, -1px); }
.check:disabled { opacity: .4; cursor: not-allowed; }
.ititle { flex: 1; font-weight: 600; cursor: pointer; background: none; border: 0; text-align: left; padding: 0; }
.ititle code { font-size: .9em; }
.ititle a { pointer-events: none; color: inherit; text-decoration: none; }
.imeta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.imeta .secname { font-size: .74rem; color: var(--muted); }
.notedot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.tog { background: none; border: 0; cursor: pointer; color: var(--muted); width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; }
.tog:hover { background: var(--track); color: var(--text); }
.tog svg { transition: transform .2s; }
.item.open .tog svg { transform: rotate(180deg); }
.ibody { display: none; padding: 0 16px 16px 50px; color: var(--muted); font-size: .92rem; }
.item.open .ibody { display: block; }
.ibody p { margin: 0 0 10px; }
.ibody a { word-break: break-word; }
.itools { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.itools label { font-size: .8rem; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.itools textarea { width: 100%; min-height: 60px; resize: vertical; }
@media (max-width: 700px) { .ibody { padding-left: 16px; } .imeta .secname { display: none; } }

.empty { text-align: center; color: var(--muted); padding: 40px; border: 1px dashed var(--line-strong); border-radius: 14px; }

.linkgrid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.linkgrid a { display: block; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--text); font-size: .88rem; }
.linkgrid a:hover { border-color: var(--accent); }
.linkgrid small { display: block; color: var(--muted); }

/* Customize */
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 4px; font-size: .84rem; color: var(--muted); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .form .row { grid-template-columns: 1fr; } }
.presets { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.preset { text-align: left; border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: transparent; cursor: pointer; }
.preset:hover { border-color: var(--accent); }
.preset b { display: block; margin-bottom: 2px; }
.preset span { color: var(--muted); font-size: .8rem; }
.toggles { display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.toggles label { display: flex; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; font-size: .88rem; }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch { width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; background: var(--sw); }
.swatch[aria-pressed="true"] { border-color: var(--text); box-shadow: 0 0 0 3px var(--bg); }
.slider { display: grid; grid-template-columns: 90px 1fr 30px; gap: 10px; align-items: center; font-size: .85rem; }
.slider output { font-variant-numeric: tabular-nums; text-align: right; }
.customlist { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.customlist li { display: flex; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; font-size: .88rem; }
.customlist li span { flex: 1; }

/* Search palette */
.palette { position: fixed; inset: 0; z-index: 60; background: rgba(2, 6, 15, .6); backdrop-filter: blur(4px); display: grid; justify-items: center; align-items: start; padding-top: 12vh; }
.palette[hidden] { display: none; }
.palette-box { width: min(640px, calc(100vw - 32px)); background: var(--panel-solid); border: 1px solid var(--line-strong); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.palette-box input { width: 100%; border: 0; border-bottom: 1px solid var(--line); background: transparent; padding: 16px 18px; font-size: 1.05rem; outline: none; }
.palette-box ul { list-style: none; margin: 0; padding: 6px; max-height: 50vh; overflow: auto; }
.palette-box li { padding: 10px 12px; border-radius: 10px; cursor: pointer; display: flex; gap: 10px; align-items: center; }
.palette-box li small { color: var(--muted); margin-left: auto; font-size: .75rem; }
.palette-box li[aria-selected="true"] { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.palette-foot { padding: 8px 14px; color: var(--muted); font-size: .75rem; border-top: 1px solid var(--line); }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(120px); background: var(--panel-solid); border: 1px solid var(--accent); padding: 10px 18px; border-radius: 12px; box-shadow: var(--shadow); transition: transform .3s; z-index: 70; font-size: .9rem; }
.toast.show { transform: translateX(-50%) translateY(0); }

.prose { max-width: 760px; color: var(--muted); }
.prose h2 { color: var(--text); margin-top: 28px; }

@media print {
  .topbar, .toolbar, .foot, .tog, .itools, .palette { display: none !important; }
  body { background: #fff; color: #000; }
  .item .ibody { display: block; }
  .panel, .item { box-shadow: none; break-inside: avoid; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }