/* =====================================================================
   Forge Arena — page styles (builds on ../assets/css/forge.css tokens)
   ===================================================================== */
.arena :focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; border-radius: 6px; }
.arena .btn.big { padding: 10px 18px; font-size: 0.98rem; border-radius: 11px; }
.arena .btn.primary:disabled { filter: saturate(.4); }
.arena .spacer { flex: 1; }
.arena h1 { overflow-wrap: anywhere; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--steel); font: 600 0.85rem var(--font); cursor: pointer; }
.linkbtn:hover { text-decoration: underline; }
.grow { flex: 1; min-width: 0; }
.chip.topic { font-weight: 600; color: var(--ink-2); max-width: 100%; }
.chip.topic abbr { text-decoration: underline dotted; cursor: help; }
a.chip:hover { text-decoration: none; border-color: var(--ember); }
.lvlchip { gap: 4px; }
.dots { display: inline-flex; gap: 3px; vertical-align: middle; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); display: inline-block; }
.dots.d1 i.on { background: var(--c-done); }
.dots.d2 i.on { background: var(--c-compare); }
.dots.d3 i.on { background: var(--c-swap); }
.empty-state { text-align: center; padding: 40px 20px; }
.callout > p:last-child { margin-bottom: 0; }
.toggle { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--ember); width: 16px; height: 16px; }
.out { font-family: var(--mono); font-size: 0.8rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; margin: 6px 0 0; white-space: pre-wrap; word-break: break-word; max-height: 220px; overflow: auto; }

/* value visuals */
.cells { display: inline-flex; flex-wrap: wrap; gap: 3px; vertical-align: middle; }
.cell { display: inline-flex; flex-direction: column; align-items: center; min-width: 30px; }
.cell b { display: block; min-width: 30px; padding: 3px 6px; text-align: center; font: 700 0.82rem var(--mono); background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 6px; }
.cell small { font: 500 0.62rem var(--mono); color: var(--muted); line-height: 1.3; }
.cell.more b, .cell.empty b { background: transparent; border-style: dashed; color: var(--muted); }
.mini-grid { border-collapse: collapse; font: 600 0.78rem var(--mono); }
.mini-grid td { border: 1px solid var(--line-2); padding: 2px 7px; text-align: center; background: var(--panel-2); }

/* ============================ list page ============================ */
.arena-hero { padding: 18px 0 8px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.arena-hero h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin: 6px 0 12px; }
.arena-hero .grad { background: linear-gradient(90deg, var(--ember), var(--c-pivot)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.arena-hero .lead { font-size: 1.06rem; color: var(--ink-2); max-width: 720px; }
#continue { margin-top: 14px; }
.progress-card .prog-top { display: flex; align-items: center; gap: 14px; }
.ring { width: 76px; height: 76px; flex: none; }
.prog-big { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.prog-big .muted { font-size: 1rem; font-weight: 600; }
.prog-actions { margin-top: 12px; }
.modes { margin-top: 22px; }
.mode-card { position: relative; padding-left: 64px; }
.mode-card .mode-icon { position: absolute; left: 16px; top: 16px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: var(--ember-soft); font-size: 1.15rem; }
.ladder-strip { margin-top: 16px; }
.ladder-strip .steps { list-style: none; margin: 0 0 8px; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; counter-reset: s; }
.ladder-strip .steps li { position: relative; display: flex; flex-direction: column; gap: 2px; padding: 10px 12px 10px 44px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; font-size: 0.88rem; }
.ladder-strip .steps li .st-icon { position: absolute; left: 12px; top: 12px; font-size: 1.1rem; }
.ladder-strip .steps li:last-child { border-color: color-mix(in srgb, var(--ember) 45%, var(--line)); }
.ladder-strip .steps li:not(:last-child)::after { content: "›"; position: absolute; right: -8px; top: 50%; transform: translateY(-50%); color: var(--muted); font-weight: 800; z-index: 1; }

/* the sticky box is the #filters section itself (a sticky child of a same-size parent would never stick) */
#filters { position: sticky; top: 55px; z-index: 5; margin: 26px 0 8px; scroll-margin-top: 66px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; padding: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 6px 16px -12px rgba(0, 0, 0, .5); }
.filters .field { min-width: 0; }
.filters .field.grow { flex: 2 1 220px; }
.filters .field:not(.grow) { flex: 1 1 140px; }
.filters select, .filters input { width: 100%; min-width: 0; }
.filters .f-end { display: flex; align-items: center; gap: 10px; flex: 1 1 100%; justify-content: space-between; }
input[type="search"] { background: var(--bg-2); color: var(--ink); border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 10px; font: 500 0.9rem var(--font); }

.level { margin-top: 26px; scroll-margin-top: 180px; }
.level-head { display: grid; grid-template-columns: auto minmax(0, 1fr) 190px; gap: 14px; align-items: center; margin-bottom: 10px; }
.level-head h2 { margin: 0; font-size: 1.2rem; }
.level-head p { margin: 2px 0 0; }
.lv-badge { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font: 800 1.2rem var(--mono); color: #0d1117; }
.lv0 { --lv: #3ddc97; } .lv1 { --lv: #ff7ad9; } .lv2 { --lv: #5ab0ff; } .lv3 { --lv: #c38bff; } .lv4 { --lv: #ff8a3d; } .lv5 { --lv: #ff5d73; } .lv6 { --lv: #ffd24d; } .lv7 { --lv: #4de1ff; }
.lv-badge { background: var(--lv); }
.lvlchip { border-color: color-mix(in srgb, var(--lv, var(--line)) 45%, transparent); }
.lv-prog .bar { height: 8px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 99px; overflow: hidden; }
.lv-prog .bar span { display: block; height: 100%; background: var(--c-done); border-radius: 99px; transition: width .3s; }
.lv-prog .small { margin-top: 4px; text-align: right; }

table.plist { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.plist th { text-align: left; font-size: 0.7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; padding: 9px 12px; background: var(--panel-2); border-bottom: 1px solid var(--line); }
table.plist td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.plist tr:last-child td { border-bottom: 0; }
.prow { position: relative; transition: background .12s; }
.prow:hover { background: var(--panel-2); }
.prow .ptitle { font-weight: 700; color: var(--ink); }
.prow .ptitle::after { content: ""; position: absolute; inset: 0; }
.prow .ptitle:hover { text-decoration: none; color: var(--ember); }
.prow .chlink { position: relative; z-index: 1; }
.prow .psum { margin-top: 2px; }
.c-st { width: 64px; white-space: nowrap; }
.c-ch { width: 84px; }
.c-d { width: 90px; }
.c-t { width: 30%; }
.c-t .chip { margin: 2px 4px 2px 0; }
.st-icon { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font-weight: 800; font-size: 0.85rem; border: 2px solid var(--line-2); color: var(--muted); }
.st-icon.st-solved { background: var(--c-done); border-color: var(--c-done); color: #04130c; }
.st-icon.st-attempted { border-color: var(--c-compare); color: var(--c-compare); }
.st-modes { display: inline-flex; gap: 1px; margin-left: 4px; font-size: 0.72rem; vertical-align: middle; }
.st-modes .mi { font-weight: 800; color: var(--ink-2); }
.packs-note { margin-top: 24px; text-align: center; }

/* ============================ workspace ============================ */
.ws { display: flex; flex-direction: column; }
.ws-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 8px 16px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.ws-bar .ws-crumb { display: inline-flex; gap: 6px; align-items: center; }
.ws-bar .ws-pos { font-family: var(--mono); }
.ws-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 14px; padding: 14px 16px 16px; }
.ws-col { min-width: 0; }
.ws-left { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px 20px; }
.ws-title h1 { font-size: 1.5rem; margin-bottom: 8px; }
.ws-title .chips { gap: 6px; margin-bottom: 12px; }
.a-tabs { margin-bottom: 14px; position: sticky; top: 0; background: var(--panel); z-index: 3; }
.a-tabs button { border-radius: 8px 8px 0 0; }
.a-tabs button:hover { color: var(--ink); }
.a-tabs button.done::after { content: " ✓"; color: var(--c-done); }
.pane:focus { outline: none; }
.pane .meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin-bottom: 12px; }
.pane .meta .topics { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.statement { font-size: 0.96rem; }
.statement pre { background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; font-size: 0.82rem; }
.statement ul, .statement ol { padding-left: 1.3em; }
.statement img, .statement svg { max-width: 100%; height: auto; }
.statement table { border-collapse: collapse; margin: 8px 0; display: block; overflow-x: auto; }
.statement td, .statement th { border: 1px solid var(--line); padding: 3px 8px; }
.examples h2 { font-size: 1.05rem; margin-top: 18px; }
.example { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
.ex-title { font-size: 0.72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--ember); margin-bottom: 6px; }
.io { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.io-in, .io-out { min-width: 0; max-width: 100%; }
.vv-scalar { display: inline-block; min-width: 30px; padding: 3px 8px; text-align: center; font: 700 0.9rem var(--mono); background: var(--ember-soft); color: var(--ember-2); border: 1px solid color-mix(in srgb, var(--ember) 40%, transparent); border-radius: 6px; }
.io-arrow { font-size: 1.3rem; color: var(--muted); }
.io-label { font-size: 0.7rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 3px; }
.io-arg { display: flex; gap: 6px; align-items: flex-start; flex-wrap: wrap; margin: 3px 0; }
.io-arg .argname { background: none; border: 0; padding: 0; color: var(--ink-2); font-weight: 700; line-height: 26px; }
.vv-text { white-space: pre-wrap; word-break: break-word; }
/* wide arrays / matrices of big numbers scroll inside the example instead of widening the page on phones */
.io-arg .vv { min-width: 0; max-width: 100%; overflow-x: auto; }
.vv-scalar { max-width: 100%; overflow-wrap: anywhere; }
.ex-explain { margin-top: 6px; color: var(--ink-2); }
.sig { margin-top: 12px; }

/* hint ladder */
.ladder { list-style: none; margin: 0 0 12px; padding: 0; position: relative; }
.ladder::before { content: ""; position: absolute; left: 11px; top: 10px; bottom: 10px; width: 2px; background: var(--line); }
.rung { position: relative; padding: 8px 12px 10px 36px; margin-bottom: 8px; }
.rung::before { content: ""; position: absolute; left: 4px; top: 12px; width: 16px; height: 16px; border-radius: 50%; background: var(--panel); border: 2px solid var(--line-2); }
.rung.open::before { background: var(--c-compare); border-color: var(--c-compare); }
.rung.answer.open::before { background: var(--c-done); border-color: var(--c-done); }
.rung-k { font-size: 0.72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.rung.open .rung-k { color: var(--ember); }
.rung.open .rung-text { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin-top: 4px; animation: rise .25s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.confirm { width: 100%; }
.confirm p { margin-bottom: 8px; }
.locked-sol { text-align: center; padding: 26px 10px; }
.locked-sol .big { font-size: 2.2rem; }
.locked-sol .row { justify-content: center; }
.sol-code { margin-bottom: 12px; }
.sol-code .row { margin-top: 8px; }
.sol-sec { margin-top: 14px; }
.sol-sec h3 { margin-bottom: 4px; }
.sol-links { margin-top: 14px; }
.sol-tabs { margin-bottom: 8px; position: static; }
pre.codeview { font: 0.82rem/1.6 var(--mono); background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 0; overflow-x: auto; margin: 0; }
pre.codeview .row { display: block; padding: 0 12px 0 0; white-space: pre; }
pre.codeview .gn { display: inline-block; width: 34px; padding-right: 10px; text-align: right; color: var(--muted); opacity: .6; user-select: none; }
textarea.notes { width: 100%; min-height: 240px; resize: vertical; font: 0.92rem/1.55 var(--font); padding: 10px 12px; }
.trace-intro h2 { font-size: 1.1rem; }

/* right column */
.ws-right { display: flex; flex-direction: column; gap: 10px; }
.mode-tabs { margin-bottom: 0; background: transparent; position: static; }
.mode-tabs button { font-size: 0.92rem; padding: 9px 14px; }
.ws-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: center; position: sticky; top: 0; z-index: 4; background: var(--bg); padding: 6px 0; }
.ws-toolbar .row { gap: 8px; }
.ws-toolbar .btn.armed { border-color: var(--bad); color: var(--bad); }
.tb-right .btn { min-width: 76px; }
.palette { display: flex; flex-wrap: wrap; gap: 4px; }
.palette .sym { font: 600 0.95rem var(--mono); min-width: 34px; height: 32px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--panel-2); color: var(--ink); cursor: pointer; }
.palette .sym:hover { border-color: var(--ember); color: var(--ember); }
.mode-note:empty { display: none; }
.mode-note .callout { margin-bottom: 6px; font-size: 0.85rem; }
.ed-help kbd { font-size: 0.72rem; }
[hidden] { display: none !important; }

/* ---- editor ---- */
.ed { display: grid; grid-template-columns: auto minmax(0, 1fr); font: 13.5px/21px var(--mono); background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 12px; overflow: hidden; tab-size: 4; }
.ed:focus-within { border-color: var(--ember); box-shadow: 0 0 0 3px var(--ember-soft); }
.ed.flash { animation: edflash .8s ease; }
@keyframes edflash { 0% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--bad) 40%, transparent); } 100% { box-shadow: 0 0 0 0 transparent; } }
.ed-gutter { padding: 10px 0; background: var(--panel); border-right: 1px solid var(--line); color: var(--muted); text-align: right; user-select: none; min-width: 42px; }
.ed-gutter .gn { display: block; height: 21px; padding: 0 10px 0 8px; position: relative; opacity: .75; }
.ed-gutter .gn.err { color: var(--bad); opacity: 1; font-weight: 800; }
.ed-gutter .gn.err::before { content: ""; position: absolute; left: 4px; top: 7px; width: 7px; height: 7px; border-radius: 50%; background: var(--bad); }
.ed-gutter .gn.cur { color: var(--ember); opacity: 1; font-weight: 800; }
.ed-gutter .gn.cur::before { content: "▶"; position: absolute; left: 3px; font-size: 9px; color: var(--ember); }
.ed-main { position: relative; min-width: 0; }
.ed-hl { position: absolute; inset: 0; margin: 0; padding: 10px 14px; overflow: hidden; white-space: pre; pointer-events: none; font: inherit; color: var(--ink); }
.ed-inner { display: inline-block; min-width: 100%; }
.ed-hl .row { display: block; height: 21px; margin: 0 -14px; padding: 0 14px; }
.ed-hl .row.err { background: color-mix(in srgb, var(--bad) 16%, transparent); box-shadow: inset 3px 0 0 var(--bad); }
.ed-hl .row.cur { background: var(--ember-soft); box-shadow: inset 3px 0 0 var(--ember); }
.ed-ta { display: block; width: 100%; margin: 0; padding: 10px 14px; border: 0; border-radius: 0; background: transparent; color: transparent; caret-color: var(--ink); font: inherit; line-height: 21px; white-space: pre; overflow-x: auto; overflow-y: hidden; resize: none; outline: none; tab-size: 4; -webkit-text-fill-color: transparent; }
.ed-ta::selection { background: color-mix(in srgb, var(--steel) 35%, transparent); -webkit-text-fill-color: transparent; }
.ed-ta:focus { outline: none; }
.tk-kw { color: var(--steel); font-weight: 700; }
.tk-cm { color: var(--muted); font-style: italic; }
.tk-num { color: var(--ember-2); }
.tk-str { color: var(--c-done); }
.tk-lit { color: var(--c-pivot); font-weight: 600; }
.tk-fn { color: var(--c-pivot); font-weight: 700; }
.tk-call { color: var(--ink); text-decoration: underline dotted color-mix(in srgb, var(--steel) 50%, transparent); text-underline-offset: 3px; }
.tk-op { color: var(--ember); font-weight: 700; }
@media (pointer: coarse) { .ed { font-size: 15px; } }

/* ---- results ---- */
.results:empty, .celebrate-host:empty { display: none; }
.report { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.report.is-pass { border-color: color-mix(in srgb, var(--ok) 50%, var(--line)); }
.report.is-fail { border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); }
.report.is-error { border-color: color-mix(in srgb, var(--warn) 50%, var(--line)); }
.rep-head { display: flex; gap: 12px; align-items: center; }
.rep-icon { font-size: 1.7rem; line-height: 1; }
.rep-title { font-size: 1.2rem; font-weight: 800; }
.is-pass .rep-title { color: var(--ok); }
.is-fail .rep-title { color: var(--bad); }
.rep-sub { color: var(--ink-2); font-size: 0.9rem; }
.nudges { margin-top: 14px; }
.nudge { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px; }
.callout.warn { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.nudge-icon { font-size: 1.15rem; line-height: 1.4; }
.nudge-body { min-width: 0; flex: 1; }
.nudge-title { font-weight: 800; font-size: 0.9rem; }
.nudge-msg { font-size: 0.92rem; }
.nudge .linkbtn { margin-top: 4px; }
.growth { margin-top: 8px; }
.growth-chart { width: 100%; max-width: 360px; height: auto; display: block; background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; }
.growth .legend { margin-top: 4px; }
.stuck { display: flex; gap: 10px; align-items: center; margin: 4px 0 6px; }
.tests { margin-top: 12px; }
.trow { border: 1px solid var(--line); border-left: 3px solid var(--line-2); border-radius: 8px; padding: 8px 10px; margin-bottom: 6px; background: var(--bg-2); }
.trow.ok { border-left-color: var(--ok); }
.trow.bad { border-left-color: var(--bad); }
.trow.pulse { animation: pulse 1.2s ease; }
@keyframes pulse { 0%, 100% { box-shadow: none; } 30% { box-shadow: 0 0 0 3px var(--ember-soft); } }
.trow-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tmark { font-weight: 800; width: 18px; }
.trow.ok .tmark { color: var(--ok); }
.trow.bad .tmark { color: var(--bad); }
.trow .chip.ops { font-family: var(--mono); font-weight: 600; }
.trow .watch { margin-left: auto; }
.kv { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 10px; margin-top: 6px; font-size: 0.84rem; }
.kv .k { color: var(--muted); font-weight: 600; }
.kv .v { background: none; border: 0; padding: 0; white-space: pre-wrap; word-break: break-word; }
.kv .v.good { color: var(--ok); }
.kv .v.badv { color: var(--bad); font-weight: 700; }
.why { margin-top: 6px; font-size: 0.86rem; color: var(--ink-2); }
.why.err { color: var(--bad); }
.more-tests summary, .printed summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; font-weight: 600; padding: 4px 0; }
.outbox { margin-top: 10px; }
.is-running .rep-title { font-size: 1rem; color: var(--ink-2); }
.spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--line-2); border-top-color: var(--ember); animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.ws-right.busy .ed { opacity: .85; }

/* ---- celebration ---- */
.celebrate { background: linear-gradient(135deg, color-mix(in srgb, var(--ok) 16%, var(--panel)), var(--panel) 60%); border: 1px solid color-mix(in srgb, var(--ok) 55%, var(--line)); border-radius: var(--radius); padding: 16px; animation: rise .35s ease; }
.cel-top { display: flex; gap: 14px; align-items: center; }
.cel-badge { position: relative; flex: none; width: 48px; height: 48px; border-radius: 50%; background: var(--ok); color: #04130c; display: grid; place-items: center; font-size: 1.6rem; font-weight: 900; animation: pop .5s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes pop { from { transform: scale(.3); } to { transform: scale(1); } }
.sparks i { position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; margin: -3px; border-radius: 50%; background: var(--c-compare); transform: rotate(var(--a)) translateY(0); opacity: 0; animation: spark .9s ease-out var(--d) 1 forwards; }
.sparks i:nth-child(3n) { background: var(--ember); }
.sparks i:nth-child(3n+1) { background: var(--steel); }
@keyframes spark { 0% { opacity: 1; transform: rotate(var(--a)) translateY(0); } 100% { opacity: 0; transform: rotate(var(--a)) translateY(-40px); } }
.cel-title { font-size: 1.2rem; font-weight: 800; }
.cel-twist { margin-top: 12px; padding: 10px 12px; background: var(--steel-soft); border-radius: 10px; font-size: 0.92rem; }
.cel-actions { margin-top: 12px; }
@media (prefers-reduced-motion: reduce) { .sparks, .cel-badge, .celebrate, .rung.open .rung-text { animation: none !important; } .sparks { display: none; } }

/* ---- blocks (Parsons) ---- */
.parsons { display: flex; flex-direction: column; gap: 10px; }
.pz-intro { color: var(--ink-2); }
.pz-tools { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; position: sticky; top: 44px; z-index: 3; background: var(--bg); padding: 4px 0; }
.pz-tools .btn { min-width: 40px; font-size: 1rem; }
.pz-sel { margin-left: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.pz-board { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 12px; padding: 10px; }
.pz-head { font: 13.5px/1.5 var(--mono); padding: 7px 10px; border-radius: 8px; background: var(--panel); border: 1px dashed var(--line-2); display: flex; gap: 8px; align-items: center; overflow-x: auto; white-space: pre; }
.pz-head code { background: none; border: 0; padding: 0; }
.pz-list { list-style: none; margin: 6px 0 0; padding: 0; min-height: 44px; }
.pz-block, .pz-ph { --lvl: 0; margin: 5px 0 5px calc(var(--lvl) * 26px); }
.pz-block { position: relative; display: flex; align-items: center; gap: 8px; padding: 7px 10px 7px 6px; border-radius: 9px; background: var(--panel); border: 1px solid var(--line-2); box-shadow: 0 1px 0 rgba(0, 0, 0, .15); cursor: grab; user-select: none; -webkit-user-select: none; font: 13.5px/1.45 var(--mono); transition: margin-left .12s ease, border-color .12s; }
.pz-block:hover { border-color: var(--ember); }
.pz-block.pz-err { border-color: var(--bad); box-shadow: 0 0 0 2px color-mix(in srgb, var(--bad) 30%, transparent); }
.pz-block.sel { border-color: var(--ember); background: var(--ember-soft); box-shadow: 0 0 0 2px var(--ember-soft); }
.pz-block code { background: none; border: 0; padding: 0; white-space: pre; overflow-x: auto; min-width: 0; flex: 1; font-size: inherit; }
.pz-block .grip { color: var(--muted); cursor: grab; touch-action: none; padding: 2px 4px; font-size: 1rem; line-height: 1; }
.pz-list > .pz-block::before { content: ""; position: absolute; right: 100%; top: 0; bottom: 0; width: calc(var(--lvl) * 26px); background: repeating-linear-gradient(90deg, transparent 0 12px, var(--line) 12px 13px, transparent 13px 26px); pointer-events: none; }
.pz-ph { height: 36px; border: 2px dashed var(--ember); border-radius: 9px; background: var(--ember-soft); position: relative; }
.pz-ph[data-lvl]::after { content: attr(data-lvl); position: absolute; right: 8px; top: 7px; font-size: 0.72rem; color: var(--ember); font-weight: 700; }
.pz-ghost { position: fixed; left: 0; top: 0; z-index: 1000; pointer-events: none; opacity: .92; box-shadow: var(--shadow); margin: 0; }
body.pz-dragging { cursor: grabbing; user-select: none; }
.pz-aside { background: var(--panel); border: 1px dashed var(--line-2); border-radius: 12px; padding: 10px; }
.pz-aside .panel-title { margin-bottom: 2px; }
.pz-aside-list .pz-block { opacity: .8; }
.pz-empty { padding: 8px 4px; }
.pz-preview .codeview { margin-top: 4px; }
.pz-foot { gap: 6px; }

/* ---- trace viewer ---- */
.tv { display: flex; flex-direction: column; gap: 10px; }
.tv-pick-row { align-items: flex-end; }
.tv-select { width: 100%; }
.tv-custom { display: grid; gap: 6px; margin-top: 8px; }
.tv-custom input { width: 100%; font-family: var(--mono); }
.tv-body { display: flex; flex-direction: column; gap: 10px; }
.tv-call { font-size: 0.88rem; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tv-call code { white-space: pre-wrap; word-break: break-word; }
.tv-narr { font-size: 0.9rem; }
.tv-narr .tv-line { white-space: pre-wrap; word-break: break-word; }
.tv-bits { margin-top: 5px; }
.tv-bits .chg-txt { color: var(--ember); }
.tv-done { margin-top: 6px; font-weight: 700; color: var(--ok); }
.tv-done.bad { color: var(--bad); }
.tv-panel { padding: 12px; }
.tv-panel .panel-title { flex-wrap: wrap; }
.tv-legend { text-transform: none; letter-spacing: 0; font-weight: 500; margin-left: auto; }
.tv-arr-row { margin-bottom: 8px; }
.tv-arr-name { font-size: 0.85rem; margin-bottom: 2px; }
.tv-arr-name code { font-weight: 700; }
.tv-arr-scroll { overflow-x: auto; max-width: 100%; }
.tv-arr { display: block; }
.tv-arr text { font-family: var(--mono); }
.tv-arr .cell-chg { animation: cellflash .6s ease; }
@keyframes cellflash { 0% { stroke: var(--ember); stroke-width: 4; } 100% { } }
.tv-grid-t tr.hot td { background: var(--ember-soft); }
.tv-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; align-items: start; }
table.vt { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
table.vt th, table.vt td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.vt th { width: 1%; white-space: nowrap; }
table.vt td code { background: none; border: 0; padding: 0; word-break: break-word; }
table.vt code { font-size: 0.84rem; }
table.vt tr.chg td, table.vt tr.chg th { animation: varflash 1s ease; }
table.vt tr.chg td code { color: var(--ember); font-weight: 700; }
table.vt .was { color: var(--muted); font-size: 0.75rem; }
@keyframes varflash { 0% { background: color-mix(in srgb, var(--c-compare) 40%, transparent); } 100% { background: transparent; } }
.callstack { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 3px; font-size: 0.85rem; }
.callstack li { background: var(--bg-2); border: 1px solid var(--line); border-radius: 7px; padding: 3px 8px; }
.callstack li.top { border-color: var(--ember); background: var(--ember-soft); }
.tv-counters .counters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tv-counters .counter .v { font-size: 1.05rem; }
.tv-total { margin-top: 6px; }
.tv-out { max-height: 140px; }
.tv-player .player { gap: 6px; }

/* ============================ responsive ============================ */
@media (min-width: 1000px) {
  body.ws-page { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
  body.ws-page .ws { flex: 1; min-height: 0; }
  body.ws-page .ws-grid { flex: 1; min-height: 0; }
  body.ws-page .ws-col { overflow-y: auto; overscroll-behavior: contain; }
  body.ws-page .ws-right { padding-right: 4px; }
}
@media (max-width: 999px) {
  .ws-grid { grid-template-columns: minmax(0, 1fr); }
  .a-tabs { top: 55px; }
  .ws-toolbar { top: 55px; }
  .pz-tools { top: 100px; }
  .tv-header { scroll-margin-top: 112px; } /* clear the sticky top bar + problem tabs */
  .ws-right .compare, .celebrate-host > *, .results > * { scroll-margin-top: 140px; } /* clear the sticky top bar + editor toolbar */
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .ladder-strip .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ladder-strip .steps li::after { display: none; }
  .level-head { grid-template-columns: auto minmax(0, 1fr); }
  .level-head .lv-prog { grid-column: 1 / -1; }
  .lv-prog .small { text-align: left; }
  table.plist, table.plist tbody, table.plist tr, table.plist td { display: block; width: auto; }
  table.plist thead { display: none; }
  table.plist tr.prow { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; grid-template-areas: "st title title" "st ch d" "st t t"; gap: 4px 8px; padding: 12px; border-bottom: 1px solid var(--line); }
  table.plist tr.prow:last-child { border-bottom: 0; }
  table.plist td { padding: 0; border: 0; }
  table.plist td.c-st { grid-area: st; width: auto; white-space: normal; }
  table.plist td.c-title { grid-area: title; }
  table.plist td.c-ch { grid-area: ch; width: auto; }
  table.plist td.c-d { grid-area: d; width: auto; align-self: center; }
  table.plist td.c-t { grid-area: t; width: auto; }
  .st-modes { display: flex; flex-wrap: wrap; margin: 4px 0 0; }
  .tv-grid { grid-template-columns: minmax(0, 1fr); }
  .ws-bar .ws-crumb { display: none; }
  .ws-bar { padding: 8px 12px; }
  .ws-grid { padding: 10px 10px 16px; gap: 10px; }
  .ws-left { padding: 12px 12px 16px; }
  .ws-title h1 { font-size: 1.3rem; }
  .a-tabs button { padding: 8px 9px; font-size: 0.8rem; }
  .mode-tabs button { padding: 8px 10px; font-size: 0.85rem; }
  #filters { position: static; }
  .pz-block, .pz-ph { margin-left: calc(var(--lvl) * 18px); }
  .pz-list > .pz-block::before { width: calc(var(--lvl) * 18px); background: repeating-linear-gradient(90deg, transparent 0 8px, var(--line) 8px 9px, transparent 9px 18px); }
  .pz-block { font-size: 12.5px; }
  .kv { grid-template-columns: minmax(0, 1fr); }
  .kv .k { margin-top: 4px; }
  .trow .watch { margin-left: 0; }
}
@media (max-width: 760px) {
  .a-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .a-tabs::-webkit-scrollbar { display: none; }
  .a-tabs button { flex: none; white-space: nowrap; }
}
.tv-player .player .scrub { min-width: 90px; }
.tv-player .player .step-label { min-width: 56px; }
.tv-player .player input[type="range"]:last-child { width: 70px !important; }
@media (max-width: 420px) { .ws-bar .ws-pos { display: none; } .ws-bar { gap: 6px; } }
/* level colours with enough contrast on the light theme */
:root[data-theme="light"] .lvl-0 { color: #0f8a5b; } :root[data-theme="light"] .lvl-1 { color: #b8318f; }
:root[data-theme="light"] .lvl-2 { color: #1f6fd1; } :root[data-theme="light"] .lvl-3 { color: #7a45c4; }
:root[data-theme="light"] .lvl-4 { color: #c2560f; } :root[data-theme="light"] .lvl-5 { color: #d02a48; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .lvl-0 { color: #0f8a5b; } :root:not([data-theme="dark"]) .lvl-1 { color: #b8318f; }
  :root:not([data-theme="dark"]) .lvl-2 { color: #1f6fd1; } :root:not([data-theme="dark"]) .lvl-3 { color: #7a45c4; }
  :root:not([data-theme="dark"]) .lvl-4 { color: #c2560f; } :root:not([data-theme="dark"]) .lvl-5 { color: #d02a48; }
}

/* ============================ round 2: progress features ============================ */
.lvl-1 { color: #ff7ad9; } .lvl-6 { color: #ffd24d; } .lvl-7 { color: #4de1ff; }
:root[data-theme="light"] .lvl-6 { color: #9a7400; } :root[data-theme="light"] .lvl-7 { color: #0b7f99; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .lvl-6 { color: #9a7400; } :root:not([data-theme="dark"]) .lvl-7 { color: #0b7f99; } }
.mono { font-family: var(--mono); }
.chip.daily-chip { background: color-mix(in srgb, #ffd24d 18%, transparent); color: var(--ink); border-color: color-mix(in srgb, #ffd24d 55%, transparent); }
.chip.due-chip { background: var(--steel-soft); color: var(--steel); border-color: transparent; }
.prow .c-title .chip { margin-left: 6px; font-size: 0.68rem; padding: 1px 7px; vertical-align: 1px; position: relative; z-index: 1; }
.rand-row { margin-top: 10px; }

/* ---- skill map ---- */
.skillmap { margin-top: 18px; }
.sm-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 8px; }
.sm-tile { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto 1fr auto; gap: 5px 8px; align-items: center; padding: 9px 10px 10px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; color: var(--ink); text-decoration: none; transition: border-color .15s, transform .15s; height: 100%; }
.sm-tile:hover { text-decoration: none; border-color: var(--lv); transform: translateY(-1px); }
.sm-n { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: var(--lv); color: #0d1117; font: 800 0.85rem var(--mono); }
.sm-text { display: contents; }
.sm-count { font: 700 0.82rem var(--mono); text-align: right; white-space: nowrap; }
.sm-name { grid-column: 1 / -1; font-size: 0.74rem; font-weight: 700; color: var(--ink-2); line-height: 1.25; align-self: start; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sm-bar { grid-column: 1 / -1; height: 5px; border-radius: 99px; background: var(--bg-2); border: 1px solid var(--line); overflow: hidden; }
.sm-bar i { display: block; height: 100%; background: var(--lv); border-radius: 99px; }
.sm-tile.here { border-color: var(--lv); box-shadow: 0 0 0 2px color-mix(in srgb, var(--lv) 30%, transparent); }
.sm-tile.sel { border-color: var(--lv); background: color-mix(in srgb, var(--lv) 14%, var(--panel)); }
.sm-here { position: absolute; top: -8px; right: 8px; font: 800 0.6rem var(--font); letter-spacing: .08em; text-transform: uppercase; padding: 1px 6px; border-radius: 99px; background: var(--lv); color: #0d1117; }
.sm-tile.soon { border-style: dashed; }
.sm-tile.soon .sm-n { background: transparent; color: var(--lv); border: 2px dashed var(--lv); }
.sm-tile.soon .sm-count { color: var(--muted); font-family: var(--font); font-weight: 600; }

/* ---- today row ---- */
.today { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.15fr); gap: 12px; margin-top: 14px; }
.today:empty { display: none; }
.t-card { display: flex; flex-direction: column; gap: 8px; margin: 0; }
.t-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.t-head h2.panel-title { margin: 0; font-size: 0.78rem; }
.daily { background: linear-gradient(160deg, color-mix(in srgb, #ffd24d 10%, var(--panel)), var(--panel) 55%); }
.daily-title { font-size: 1.12rem; font-weight: 800; color: var(--ink); line-height: 1.25; }
.daily-title:hover { color: var(--ember); text-decoration: none; }
.daily .chips { gap: 6px; }
.daily-sum { margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.streak { margin-top: auto; display: flex; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); }
.streak-n { font: 800 1.15rem var(--mono); filter: grayscale(1) opacity(.6); white-space: nowrap; }
.streak.lit .streak-n { filter: none; }
.streak-t { font-weight: 700; font-size: 0.9rem; }
.rv-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.rv-list li { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; background: var(--bg-2); border: 1px solid var(--line); min-width: 0; }
.rv-list a { font-weight: 700; color: var(--ink); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.rv-list a:hover { color: var(--ember); text-decoration: none; }
.rv-when { white-space: nowrap; }
.lv-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--lv); flex: none; }
.review p { margin: 0; }
.rv-next { margin-top: auto; padding-top: 6px; border-top: 1px dashed var(--line); }
.bd-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.bd { position: relative; display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 7px 4px 6px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); text-align: center; cursor: default; }
.bd-icon { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 0.95rem; background: var(--panel-2); border: 1px solid var(--line-2); filter: grayscale(1); opacity: .55; }
.bd-name { font-size: 0.64rem; font-weight: 700; line-height: 1.15; color: var(--muted); }
.bd.got { border-color: color-mix(in srgb, var(--ember) 45%, var(--line)); background: linear-gradient(180deg, var(--ember-soft), var(--bg-2)); }
.bd.got .bd-icon { filter: none; opacity: 1; background: color-mix(in srgb, var(--ember) 22%, var(--panel)); border-color: var(--ember); }
.bd.got .bd-name { color: var(--ink); }
.bd-prog { width: 70%; height: 3px; border-radius: 99px; background: var(--line); overflow: hidden; }
.bd-prog i { display: block; height: 100%; background: var(--ember); }
.bd-lv-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bd-levels { list-style: none; margin: 0; padding: 0; display: flex; gap: 5px; flex-wrap: wrap; }
.bdl { width: 24px; height: 24px; display: grid; place-items: center; font: 800 0.72rem var(--mono); border-radius: 7px; border: 2px solid color-mix(in srgb, var(--lv) 55%, var(--line)); color: var(--muted); }
.bdl.got { background: var(--lv); border-color: var(--lv); color: #0d1117; }
.bdl.soon { border-style: dashed; opacity: .6; }

/* level sections that are still being written */
.level.soon .level-head { opacity: .75; margin-bottom: 4px; }
.level.soon .lv-badge { background: transparent; color: var(--lv); border: 2px dashed var(--lv); }
.forging-note { margin: 0 0 0 56px; }
.flat-head { grid-template-columns: minmax(0, 1fr); }

/* ---- interview mode ---- */
.btn.iv-toggle.on { border-color: var(--ember); color: var(--ember); background: var(--ember-soft); }
.iv-timer, .iv-mini { font: 800 0.92rem var(--mono); padding: 4px 10px; border-radius: 99px; background: var(--steel-soft); color: var(--steel); white-space: nowrap; font-variant-numeric: tabular-nums; }
.iv-mini { font-size: 0.82rem; padding: 3px 8px; }
.iv-timer.warn, .iv-mini.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.iv-timer.crit, .iv-mini.crit { background: color-mix(in srgb, var(--bad) 18%, transparent); color: var(--bad); animation: ivpulse 1s ease-in-out infinite; }
@keyframes ivpulse { 50% { opacity: .65; } }
.btn.iv-giveup.armed { border-color: var(--bad); color: var(--bad); }
.iv-mini { display: none; }
.btn.iv-giveup-mini { display: none; }
.iv-host:empty { display: none; }
.iv-host { display: flex; flex-direction: column; gap: 10px; }
.iv-setup, .iv-summary { margin: 0; border-color: color-mix(in srgb, var(--ember) 45%, var(--line)); animation: rise .25s ease; }
.iv-setup h2, .iv-summary h2 { font-size: 1.1rem; margin: 0 0 4px; }
.iv-rules { margin: 6px 0 10px; padding-left: 0; list-style: none; display: grid; gap: 3px; color: var(--ink-2); }
.iv-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.iv-times { display: inline-flex; gap: 6px; }
.iv-time { position: relative; display: inline-flex; align-items: baseline; gap: 3px; padding: 6px 12px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--bg-2); cursor: pointer; }
.iv-time input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.iv-time b { font: 800 1.05rem var(--mono); }
.iv-time span { font-size: 0.75rem; color: var(--muted); }
.iv-time:has(input:checked) { border-color: var(--ember); background: var(--ember-soft); }
.iv-time:has(input:checked) b { color: var(--ember); }
.iv-time:has(input:focus-visible) { outline: 2px solid var(--ember); outline-offset: 2px; }
.iv-reset { margin-bottom: 10px; }
.iv-summary.ok { border-color: color-mix(in srgb, var(--ok) 55%, var(--line)); background: linear-gradient(135deg, color-mix(in srgb, var(--ok) 12%, var(--panel)), var(--panel) 60%); }
.iv-summary:focus { outline: none; box-shadow: 0 0 0 3px var(--ember-soft); }
.iv-sum-top { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.iv-sum-icon { font-size: 2rem; line-height: 1; }
.iv-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0 0 12px; }
.iv-stats > div { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.iv-stats dt { font-size: 0.68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.iv-stats dd { margin: 2px 0 0; font: 800 1.05rem var(--mono); }
.iv-stats dd.yes { color: var(--ok); } .iv-stats dd.no { color: var(--bad); }
.iv-marks { display: flex; flex-wrap: wrap; gap: 4px; }
.iv-marks i { width: 12px; height: 12px; border-radius: 3px; background: var(--ok); }
.iv-marks i.bad { background: var(--bad); }
.a-tabs button.locked::after { content: " 🔒"; font-size: 0.8em; }
.a-tabs button.locked { color: var(--muted); }
body.iv-on .ws-bar { background: linear-gradient(90deg, var(--steel-soft), var(--bg-2) 40%); }

/* ---- celebration additions ---- */
.cel-streak { margin-top: 10px; font-weight: 700; }
.cel-review { margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.cel-review .rv-q { flex: 1 1 260px; }
.rv-btns { gap: 6px; }
.rv-btns .btn.on { border-color: var(--steel); background: var(--steel-soft); color: var(--steel); }
.sol-solved { justify-content: space-between; gap: 8px; }

/* ---- compare view ---- */
.compare-host { margin-top: 10px; }
.compare { margin: 0; animation: rise .25s ease; scroll-margin-top: 70px; }
.compare:focus { outline: none; box-shadow: 0 0 0 3px var(--ember-soft); }
.cmp-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.cmp-head h2 { font-size: 1.05rem; margin: 0; }
.cmp-sum { margin: 6px 0; }
.cmp-legend { margin-bottom: 8px; }
.cmp-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); }
.cmp-grid { display: grid; grid-template-columns: minmax(0, 1fr); min-width: 100%; font: 12.5px/20px var(--mono); }
.cmp-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.cmp-th { position: sticky; top: 0; background: var(--panel-2); border-bottom: 1px solid var(--line); }
.cmp-hd { padding: 5px 10px; font: 700 0.7rem var(--font); letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.cmp-hd + .cmp-hd, .cmp-c + .cmp-c { border-left: 1px solid var(--line); }
.cmp-c { display: flex; min-width: 0; padding: 0 8px 0 0; }
.cmp-n { flex: none; width: 30px; padding-right: 8px; text-align: right; color: var(--muted); opacity: .6; user-select: none; }
.cmp-code { background: none; border: 0; padding: 0; white-space: pre; overflow: hidden; text-overflow: ellipsis; font: inherit; min-width: 0; }
.cmp-c.del { background: color-mix(in srgb, var(--c-swap) 16%, transparent); box-shadow: inset 3px 0 0 var(--c-swap); }
.cmp-c.add { background: color-mix(in srgb, var(--c-done) 14%, transparent); box-shadow: inset 3px 0 0 var(--c-done); }
.cmp-c.note { opacity: .6; }
.cmp-c.empty { background: repeating-linear-gradient(135deg, transparent 0 6px, color-mix(in srgb, var(--line) 50%, transparent) 6px 7px); }
.cmp-ops { margin-top: 12px; }
.cmp-ops-head { justify-content: space-between; align-items: center; gap: 8px; }
.cmp-ops h3 { margin: 0; font-size: 0.98rem; }
.cmp-sel { max-width: 100%; }
.cmp-verdict { margin: 8px 0; }
.cmp-bars { display: grid; gap: 5px; max-width: 460px; }
.cmp-bar { display: grid; grid-template-columns: 74px minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.cmp-track { height: 12px; border-radius: 99px; background: var(--bg-2); border: 1px solid var(--line); overflow: hidden; }
.cmp-fill { display: block; height: 100%; border-radius: 99px; transition: width .4s ease; }
.cmp-fill.mine { background: var(--ember); } .cmp-fill.ref { background: var(--steel); }
.cmp-more { margin-top: 8px; }
.cmp-more summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; font-weight: 600; }
.cmp-table { max-width: 460px; margin-top: 4px; }
.cmp-table tr.hot th, .cmp-table tr.hot td { color: var(--ember); }
.spinner.sm { display: inline-block; width: 12px; height: 12px; border-width: 2px; vertical-align: -1px; }

/* ---- toasts ---- */
.a-toasts { position: fixed; right: 16px; bottom: 16px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; max-width: min(360px, calc(100vw - 32px)); pointer-events: none; }
.a-toast { pointer-events: auto; display: flex; gap: 10px; align-items: flex-start; padding: 10px 10px 10px 12px; border-radius: 12px; background: var(--panel); border: 1px solid color-mix(in srgb, var(--lv, var(--ember)) 55%, var(--line)); box-shadow: var(--shadow); animation: toastin .35s cubic-bezier(.2, 1.3, .4, 1); }
.a-toast.out { opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s; }
.toast-icon { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; flex: none; background: color-mix(in srgb, var(--lv, var(--ember)) 22%, var(--panel)); border: 1px solid var(--lv, var(--ember)); font: 800 1rem var(--mono); }
.toast-body { flex: 1; min-width: 0; }
.toast-title { font-weight: 800; font-size: 0.92rem; }
.toast-x { background: none; border: 0; color: var(--muted); font-size: 1.1rem; line-height: 1; cursor: pointer; padding: 2px 4px; border-radius: 6px; }
.toast-x:hover { color: var(--ink); }
@keyframes toastin { from { opacity: 0; transform: translateY(12px) scale(.96); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .a-toast, .iv-setup, .iv-summary, .compare { animation: none !important; } .iv-timer.crit, .iv-mini.crit { animation: none; } }

@media (max-width: 1099px) {
  .today { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .today .badges { grid-column: 1 / -1; }
  .bd-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}
@media (max-width: 999px) {
  .sm-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  body.iv-on .iv-mini { display: inline-block; }
  body.iv-on .btn.iv-giveup-mini { display: inline-flex; }
}
@media (max-width: 760px) {
  .today { grid-template-columns: minmax(0, 1fr); }
  .bd-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .forging-note { margin-left: 0; }
  .cmp-row { grid-template-columns: minmax(0, 1fr); }
  .cmp-th { display: none; }
  .cmp-c + .cmp-c { border-left: 0; }
  .cmp-row.same .cmp-c + .cmp-c { display: none; }
  .cmp-c.empty { display: none; }
  .iv-stats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); }
  .iv-stats dd { font-size: 0.92rem; }
  table.plist.with-level tr.prow { grid-template-areas: "st title title" "st ch d" "st t t"; }
}
@media (max-width: 420px) {
  .iv-stats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .iv-stats > div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .sm-list { gap: 6px; }
  .sm-tile { padding: 7px 7px 8px; gap: 5px 6px; grid-template-rows: auto auto; }
  .sm-n { width: 22px; height: 22px; font-size: 0.75rem; }
  .sm-name { display: none; }
  .sm-count { font-size: 0.76rem; }
}
@media (max-width: 560px) {
  .a-toasts { left: 12px; right: 12px; bottom: 12px; max-width: none; gap: 6px; }
  .a-toast { padding: 7px 8px 7px 10px; }
  .a-toast .toast-text { display: none; }
  .toast-icon { width: 28px; height: 28px; font-size: 0.85rem; }
  .toast-title { font-size: 0.86rem; }
}