/* Designed pages (LLD and later HLD/DSA). Built on the tokens in app.css. */
.dz { --pc: var(--accent); max-width: 1180px; margin: 0 auto; animation: fade .25s ease; }
.dz a { color: inherit; }
.dz .md a, .dz-idea a, .dz-where a, .dz-kv a, .dz-tl a, .dz-day a, .dz-rule a, .dz-facts a, .dz-heronotes a, .dz-trigger a { color: var(--accent); }
.dz-muted { color: var(--muted); }
.dz-pad { margin: 10px 2px 0; font-size: 14px; }
.dz-grow { flex: 1; }
.dz-label { font: 600 12px Inter; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 34px 0 14px; display: flex; align-items: center; gap: 12px; }
.dz-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* hero */
.dz-hero { position: relative; overflow: hidden; padding: 30px 32px 26px; border-radius: 20px; border: 1px solid var(--line);
  background: radial-gradient(900px 300px at 100% 0%, color-mix(in srgb, var(--pc) 22%, transparent), transparent 70%),
              linear-gradient(180deg, color-mix(in srgb, var(--pc) 6%, var(--panel)), var(--panel)); box-shadow: var(--shadow); margin-bottom: 18px; }
.dz-hero::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--pc), transparent 70%); }
.dz-hero-sm { padding: 24px 28px 20px; }
.dz-eyebrow { font: 600 12px "JetBrains Mono", ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; color: color-mix(in srgb, var(--pc) 70%, var(--muted)); }
.dz-hero h1 { font: 700 40px/1.08 "Space Grotesk", Inter, system-ui, sans-serif; letter-spacing: -.035em; margin: 8px 0 0; color: var(--text); }
.dz-sub { font-size: 16px; color: var(--muted); margin-top: 6px; }
.dz-idea { margin-top: 14px; font-size: 18px; line-height: 1.6; color: var(--text2); max-width: 78ch; }
.dz-idea p { margin: 0 0 8px; }
.dz-idea strong { color: var(--text); }
.dz-idea pre { font-size: 12.5px; }
.dz-chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 18px; }
.dz-status { display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px 4px 10px; border-radius: 999px; font: 600 12.5px Inter; color: var(--sc); background: color-mix(in srgb, var(--sc) 14%, transparent); border: 1px solid color-mix(in srgb, var(--sc) 40%, transparent); }
.dz-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--sc); box-shadow: 0 0 10px var(--sc); }
.dz-pat { display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px; border-radius: 999px; font: 600 12.5px Inter; text-decoration: none !important;
  background: color-mix(in srgb, var(--pc) 13%, transparent); border: 1px solid color-mix(in srgb, var(--pc) 45%, transparent); color: var(--text) !important; }
.dz-pat i { width: 8px; height: 8px; border-radius: 2px; background: var(--pc); }
.dz-pat:hover { background: color-mix(in srgb, var(--pc) 24%, transparent); }
.dz-where { margin-top: 14px; display: flex; gap: 12px; align-items: baseline; font-size: 14px; color: var(--text2); }
.dz-where span, .dz-kv span, .dz-trigger span, .dz-rep-row span, .dz-facts span { font: 600 10.5px Inter; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); white-space: nowrap; }
.dz-trigger { margin-top: 16px; display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: baseline; padding: 14px 16px; border-radius: 12px;
  background: color-mix(in srgb, var(--pc) 9%, var(--panel2)); border: 1px solid color-mix(in srgb, var(--pc) 30%, var(--line)); font-size: 16px; color: var(--text); }
.dz-heronotes { margin-top: 14px; display: grid; gap: 4px; font-size: 13.5px; color: var(--muted); }
.dz-heroquote { margin-top: 12px; font-size: 14px; color: var(--muted); }
.dz-heroquote blockquote { margin: 0; padding: 0; border: 0; background: none; }

/* tabs */
.dz-tabs { display: flex; gap: 6px; align-items: center; margin: 4px 0 18px; padding: 6px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); position: sticky; top: 64px; z-index: 5; }
.dz-tabs button { border: 0; background: none; padding: 8px 14px; border-radius: 9px; font: 600 13.5px Inter; color: var(--muted); cursor: pointer; }
.dz-tabs button:hover { color: var(--text); background: var(--panel2); }
.dz-tabs button.on { background: color-mix(in srgb, var(--pc) 18%, transparent); color: var(--text); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pc) 45%, transparent); }
.dz-src { font-size: 12.5px; color: var(--faint) !important; padding: 0 10px; }
.dz-src:hover { color: var(--text) !important; }

/* facts, callouts */
.dz-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin: 0 0 16px; }
.dz-hero .dz-facts { margin: 18px 0 0; }
.dz-facts > div { background: var(--panel); padding: 12px 14px; display: grid; gap: 4px; font-size: 13.5px; color: var(--text2); min-width: 0; }
.dz-callout { padding: 16px 20px; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--prog) 35%, var(--line)); background: color-mix(in srgb, var(--prog) 7%, var(--panel)); margin-bottom: 16px; font-size: 14.5px; }
.dz-callout blockquote { margin: 0; padding: 0; border: 0; background: none; }
.dz-callout blockquote h2 { font-size: 17px; }
.dz-lead { margin: 0 0 16px; }

/* body + rail */
.dz-body { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 28px; align-items: start; }
.dz-body:not(:has(.dz-rail)) { grid-template-columns: minmax(0, 1fr); }
.dz-rail { position: sticky; top: 136px; display: grid; gap: 2px; font-size: 13px; border-left: 1px solid var(--line); }
.dz-rail a { padding: 6px 12px; color: var(--muted) !important; text-decoration: none !important; border-left: 2px solid transparent; margin-left: -1px; line-height: 1.35; }
.dz-rail a:hover { color: var(--text) !important; }
.dz-rail a.on { color: var(--text) !important; border-left-color: var(--pc); font-weight: 600; }
.dz-main { display: grid; gap: 18px; min-width: 0; }

/* sections */
.dz-sec { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); padding: 20px 22px 22px; box-shadow: var(--shadow); scroll-margin-top: 140px; min-width: 0; }
.dz-h { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font: 700 20px "Space Grotesk", Inter, system-ui, sans-serif; letter-spacing: -.02em; color: var(--text); }
.dz-hn { font: 600 12px "JetBrains Mono", ui-monospace, monospace; color: var(--faint); }
.dz-hn:empty { display: none; }
.dz-hi { font-size: 17px; }
.dz-sec .md { font-size: 15px; }
.dz-sec .md h3 { font-size: 16.5px; margin: 22px 0 8px; padding-left: 12px; border-left: 3px solid var(--pc); }
.dz-sec .md > :last-child { margin-bottom: 0; }
.dz-sec.k-flow { background: linear-gradient(180deg, color-mix(in srgb, var(--pc) 5%, var(--panel)), var(--panel)); }
.dz pre.dz-diagram { background: color-mix(in srgb, var(--pc) 6%, var(--code-bg)); border-color: color-mix(in srgb, var(--pc) 25%, var(--line)); font-size: 13.5px; line-height: 1.7; }
.dz-quote { padding: 4px 0 4px 18px; border-left: 3px solid var(--pc); font-size: 16px; }
.dz-quote blockquote { border: 0; background: none; padding: 0; margin: 0; }

/* recall flashcards */
.dz-flash-tools { display: flex; gap: 8px; align-items: center; margin: 0 0 12px; flex-wrap: wrap; }
.dz-count { font: 600 12px "JetBrains Mono", ui-monospace, monospace; color: var(--muted); margin-right: auto; }
.dz-flashes { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; align-items: start; }
.dz-flash { border-radius: 14px; border: 1px solid var(--line); background: var(--panel2); overflow: hidden; outline: none; transition: border-color .15s, box-shadow .2s, transform .15s; }
.dz-flash:hover { transform: translateY(-1px); border-color: var(--line2); }
.dz-flash:focus-visible { box-shadow: 0 0 0 3px var(--accent-soft); }
.dz-flash.hot { border-color: color-mix(in srgb, var(--fail) 35%, var(--line)); }
.dz-flash-q { display: grid; grid-template-columns: auto 1fr; gap: 10px 12px; padding: 14px 16px; cursor: pointer; font-weight: 600; color: var(--text); line-height: 1.45; font-size: 14.5px; }
.dz-flash-q code { font-size: 12.5px; }
.dz-qn { font: 700 11px "JetBrains Mono", ui-monospace, monospace; padding: 3px 7px; border-radius: 7px; background: color-mix(in srgb, var(--pc) 18%, transparent); color: var(--text); height: fit-content; }
.dz-flash.hot .dz-qn { background: color-mix(in srgb, var(--fail) 22%, transparent); }
.dz-flip { grid-column: 2; font: 500 11.5px Inter; color: var(--faint); }
.dz-flash-a { display: none; padding: 12px 16px 16px; border-top: 1px dashed var(--line); font-size: 14px !important; animation: fade .2s ease; }
.dz-flash.open { border-color: color-mix(in srgb, var(--done) 45%, var(--line)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--done) 8%, transparent); }
.dz-flash.open .dz-flash-a { display: block; }
.dz-flash.open .dz-flip { display: none; }
.dz-flash.open .dz-qn { background: var(--done); color: var(--bg); }

/* mistakes / hotspots / open items */
.dz-cards { display: grid; gap: 10px; }
.dz-mistake, .dz-hot, .dz-open { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel2); }
.dz-mistake { border-left: 3px solid var(--fail); }
.dz-hot { border-left: 3px solid var(--prog); }
.dz-open { border-left: 3px solid var(--redo); }
.dz-badge { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; font: 700 13px "Space Grotesk", Inter, sans-serif; }
.dz-mistake .dz-badge { background: color-mix(in srgb, var(--fail) 18%, transparent); color: var(--fail); }
.dz-hot .dz-badge { background: color-mix(in srgb, var(--prog) 18%, transparent); color: var(--prog); }
.dz-open .dz-badge { background: color-mix(in srgb, var(--redo) 18%, transparent); color: var(--redo); }
.dz-cards .md { font-size: 14.5px !important; }
.dz-cards .md p { margin: 0 0 6px; }
.dz-cards .md > :last-child { margin-bottom: 0; }

/* checklist + steps */
.dz-checks { display: grid; gap: 8px; }
.dz-check { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel2); cursor: pointer; }
.dz-check input { display: none; }
.dz-box { width: 20px; height: 20px; border-radius: 6px; border: 2px solid var(--line2); margin-top: 2px; transition: all .15s; }
.dz-check input:checked + .dz-box { background: var(--done); border-color: var(--done); box-shadow: inset 0 0 0 3px var(--panel2); }
.dz-check input:checked ~ .md { opacity: .55; }
.dz-check.star { border-color: color-mix(in srgb, var(--prog) 55%, var(--line)); background: color-mix(in srgb, var(--prog) 8%, var(--panel2)); }
.dz-check .md { font-size: 14.5px !important; }
.dz-check .md p { margin: 0; }
.dz-reset { margin-top: 10px; }
.dz-stages { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin: 0 0 16px; }
.dz-stage { border-radius: 14px; border: 1px solid var(--line); background: var(--panel2); padding: 14px; }
.dz-stage-h { font: 700 13px "JetBrains Mono", ui-monospace, monospace; letter-spacing: .1em; color: var(--pc); margin-bottom: 10px; }
.dz-stage-h span { color: var(--faint); font-weight: 500; letter-spacing: 0; margin-left: 6px; }
.dz-steps { display: grid; gap: 6px; }
.dz-step { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; padding: 8px 10px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }
.dz-step b { font: 700 13px "Space Grotesk", Inter, sans-serif; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: color-mix(in srgb, var(--pc) 18%, transparent); color: var(--text); }
.dz-step strong { display: block; color: var(--text); font-size: 14px; }
.dz-step span { font-size: 13px; color: var(--muted); }

/* tabs content */
.dz-frame { display: block; width: 100%; height: calc(100vh - 210px); min-height: 560px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow); }
.dz-under { margin-top: 10px; display: flex; justify-content: flex-end; }
.dz-files { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.dz-files button { border: 1px solid var(--line); background: var(--panel); border-radius: 9px; padding: 6px 12px; font: 500 12.5px "JetBrains Mono", ui-monospace, monospace; color: var(--muted); cursor: pointer; }
.dz-files button.on { color: var(--text); border-color: var(--pc); background: color-mix(in srgb, var(--pc) 12%, var(--panel)); }
.dz-notes { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.dz-note { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); text-decoration: none !important; transition: transform .12s, border-color .12s; }
.dz-note:hover { transform: translateY(-1px); border-color: var(--pc); }
.dz-note span { font-size: 20px; }
.dz-note b { display: block; color: var(--text); font-size: 14.5px; }
.dz-note small { color: var(--faint); font-size: 12px; }

/* cards: problems, patterns */
.dz-pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.dz-pcard { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 16px 16px 14px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); text-decoration: none !important; overflow: hidden; transition: transform .15s, border-color .15s, box-shadow .15s; box-shadow: var(--shadow); }
.dz-pcard::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--sc); }
.dz-pcard::after { content: ""; position: absolute; right: -40px; top: -40px; width: 120px; height: 120px; border-radius: 50%; background: radial-gradient(circle, var(--pc), transparent 70%); opacity: .12; }
.dz-pcard:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--pc) 50%, var(--line)); }
.dz-pcard-top { display: flex; justify-content: space-between; align-items: center; }
.dz-pnum { font: 600 12px "JetBrains Mono", ui-monospace, monospace; color: var(--faint); }
.dz-pst { font-size: 17px; }
.dz-pcard h3 { margin: 0; font: 700 17px/1.25 "Space Grotesk", Inter, sans-serif; color: var(--text); letter-spacing: -.01em; }
.dz-pwhere { font-size: 13px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.dz-pfoot { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.dz-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--pc); }
.dz-patgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.dz-patcard { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; padding: 18px; border-radius: 16px; border: 1px solid var(--line); text-decoration: none !important;
  background: linear-gradient(135deg, color-mix(in srgb, var(--pc) 10%, var(--panel)), var(--panel) 60%); box-shadow: var(--shadow); transition: transform .15s, border-color .15s; }
.dz-patcard:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--pc) 55%, var(--line)); }
.dz-patcard h3 { margin: 2px 0 4px; font: 700 18px "Space Grotesk", Inter, sans-serif; color: var(--text); }
.dz-patcard p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.45; }
.dz-patcard small { display: block; margin-top: 8px; font: 600 11.5px "JetBrains Mono", ui-monospace, monospace; color: var(--faint); }
.dz-kind { font: 600 10.5px Inter; letter-spacing: .12em; text-transform: uppercase; color: var(--pc); }
.dz-group { margin-bottom: 18px; }
.dz-group-h { display: flex; align-items: center; gap: 8px; font: 600 13px Inter; color: var(--text2); margin: 0 0 10px; }
.dz-group-h i { width: 10px; height: 10px; border-radius: 3px; background: var(--pc); }

/* home */
.dz-home-hero { display: flex; gap: 24px; align-items: center; }
.dz-stats { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 12px; }
.dz-stats div { font-size: 12.5px; color: var(--muted); }
.dz-stats b { display: block; font: 700 22px "Space Grotesk", Inter, sans-serif; color: var(--text); }
.dz-home-top { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 14px; }
.dz-tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.dz-tools a { display: grid; gap: 2px; padding: 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); text-decoration: none !important; transition: transform .12s, border-color .12s; }
.dz-tools a:hover { transform: translateY(-1px); border-color: var(--line2); }
.dz-tools span { font-size: 20px; margin-bottom: 4px; }
.dz-tools b { color: var(--text); font-size: 14.5px; }
.dz-tools small { color: var(--muted); font-size: 12.5px; }

/* plan */
.dz-progress { display: flex; align-items: center; gap: 14px; margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.dz-progress b { color: var(--text); }
.dz-bar { flex: 0 0 320px; max-width: 50%; height: 8px; border-radius: 99px; background: var(--heat0); overflow: hidden; }
.dz-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--done), var(--c-lld)); border-radius: 99px; }
.dz-next { display: grid; grid-template-columns: 130px 1fr; border-radius: 18px; overflow: hidden; border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line)); background: var(--panel); box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow); text-decoration: none !important; }
.dz-next-date { display: grid; place-content: center; text-align: center; padding: 18px 10px; background: linear-gradient(160deg, var(--accent), color-mix(in srgb, var(--accent) 50%, #22d3ee)); color: #fff; }
.dz-next-date span { font: 600 13px Inter; text-transform: uppercase; letter-spacing: .14em; opacity: .85; }
.dz-next-date b { font: 700 28px/1.1 "Space Grotesk", Inter, sans-serif; }
.dz-next-date em { font: 500 12px Inter; font-style: normal; opacity: .9; margin-top: 4px; }
.dz-next-body { padding: 18px 22px; display: grid; gap: 8px; min-width: 0; }
.dz-next-body h2 { margin: 0; font: 700 24px "Space Grotesk", Inter, sans-serif; color: var(--text); letter-spacing: -.02em; }
.dz-next-sess { font-size: 15px; color: var(--text2); }
.dz-next-sm .dz-next-body h2 { font-size: 20px; }
.dz-more { font-size: 12.5px; color: var(--accent); }
.dz-kv { display: grid; grid-template-columns: 76px 1fr; gap: 10px; font-size: 13.5px; color: var(--text2); align-items: baseline; }
.dz-rep-banner { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 14px; padding: 14px 18px; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--c-lld) 35%, var(--line)); background: color-mix(in srgb, var(--c-lld) 7%, var(--panel)); text-decoration: none !important; font-size: 14px; }
.dz-rep-banner span { font: 600 10.5px Inter; letter-spacing: .12em; text-transform: uppercase; color: var(--c-lld); }
.dz-rep-banner b { color: var(--text); }
.dz-rep-banner em { font-style: normal; color: var(--muted); font-size: 13px; }
.dz-rep-col { flex-direction: column; align-items: flex-start; justify-content: center; margin-top: 0; gap: 6px; }
.dz-days { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.dz-day { display: grid; gap: 6px; align-content: start; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); font-size: 13px; color: var(--text2); }
.dz-day b { font: 700 14px "Space Grotesk", Inter, sans-serif; color: var(--text); }
.dz-day small { color: var(--faint); font-size: 12px; }
.dz-day.done { opacity: .65; }
.dz-day.miss { opacity: .5; }
.dz-day.now { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.dz-miles { display: flex; flex-wrap: wrap; gap: 10px; }
.dz-mile { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); font-size: 13.5px; color: var(--text2); }
.dz-mile i { width: 10px; height: 10px; transform: rotate(45deg); background: var(--prog); border-radius: 2px; }
.dz-timeline { position: relative; display: grid; gap: 0; }
.dz-tl { display: grid; grid-template-columns: 74px 24px 1fr; gap: 12px; align-items: start; }
.dz-tl-date { text-align: right; padding-top: 12px; line-height: 1.2; }
.dz-tl-date b { display: block; font: 700 14px "Space Grotesk", Inter, sans-serif; color: var(--text); }
.dz-tl-date span { font: 500 11.5px Inter; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }
.dz-tl-dot { position: relative; align-self: stretch; }
.dz-tl-dot::before { content: ""; position: absolute; left: 11px; top: 0; bottom: 0; width: 2px; background: var(--line); }
.dz-tl-dot::after { content: ""; position: absolute; left: 5px; top: 15px; width: 14px; height: 14px; border-radius: 50%; background: var(--panel); border: 2px solid var(--todo); }
.dz-tl.done .dz-tl-dot::after { background: var(--done); border-color: var(--done); }
.dz-tl.fail .dz-tl-dot::after { background: var(--fail); border-color: var(--fail); }
.dz-tl.next .dz-tl-dot::after { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px transparent; } }
.dz-tl-body { margin: 6px 0; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); min-width: 0; }
.dz-tl.done .dz-tl-body, .dz-tl.fail .dz-tl-body { opacity: .72; }
.dz-tl.next .dz-tl-body { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--panel)); }
.dz-tl-top { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.dz-tl-top b { color: var(--text); font-size: 14.5px; }
.dz-tl-n { font: 600 11.5px "JetBrains Mono", ui-monospace, monospace; color: var(--faint); }
.dz-tl-sess { font-size: 13px; color: var(--muted); margin-top: 3px; }
.dz-tl-st { font-size: 12.5px; color: var(--text2); margin-top: 4px; }
.dz-rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px; }
.dz-rule { padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); font-size: 14px !important; color: var(--text2); }
.dz-lens { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.dz-len { display: grid; gap: 2px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); }
.dz-len b { font: 700 20px "Space Grotesk", Inter, sans-serif; color: var(--text); }
.dz-len span { font-size: 13px; color: var(--text2); }
.dz-len small { font-size: 11.5px; color: var(--faint); }
.dz-backlog { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.dz-idea-card { display: grid; gap: 4px; padding: 14px 16px; border-radius: 12px; border: 1px dashed var(--line2); background: var(--panel2); }
.dz-idea-card b { color: var(--text); font-size: 14.5px; }
.dz-idea-card span { font: 600 11.5px Inter; color: var(--c-lld); }
.dz-idea-card small { font-size: 12.5px; color: var(--muted); }

/* drills */
.dz-reps { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.dz-rep { display: grid; gap: 10px; padding: 16px 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.dz-rep-top { display: flex; align-items: center; gap: 10px; }
.dz-rep-id { font: 700 13px "JetBrains Mono", ui-monospace, monospace; padding: 4px 9px; border-radius: 8px; background: color-mix(in srgb, var(--c-lld) 18%, transparent); color: var(--text); }
.dz-rep-top b { color: var(--text); font: 700 16px "Space Grotesk", Inter, sans-serif; }
.dz-rep-best { margin-left: auto; font: 600 11.5px "JetBrains Mono", ui-monospace, monospace; color: var(--muted); }
.dz-rep-row { display: grid; grid-template-columns: 82px 1fr; gap: 10px; font-size: 13px; color: var(--text2); align-items: baseline; }
.dz-spark { position: relative; display: flex; align-items: flex-end; gap: 4px; height: 56px; padding: 8px 10px 18px; border-radius: 10px; background: var(--panel2); border: 1px solid var(--line); }
.dz-spark i { flex: 0 0 14px; border-radius: 4px 4px 2px 2px; background: var(--todo); }
.dz-spark i.g { background: var(--done); } .dz-spark i.a { background: var(--prog); } .dz-spark i.r { background: color-mix(in srgb, var(--fail) 55%, transparent); }
.dz-spark small { color: var(--faint); font-size: 12px; align-self: center; }
.dz-spark-cap { position: absolute; left: 10px; bottom: 3px; font-size: 10.5px; color: var(--faint); }
.dz-log { display: grid; gap: 8px; }
.dz-log-row { display: grid; grid-template-columns: 90px auto auto 1fr; gap: 12px; align-items: start; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); font-size: 13.5px; }
.dz-log-row b { color: var(--text); font-size: 13px; }
.dz-green { font: 600 12px "JetBrains Mono", ui-monospace, monospace; padding: 2px 8px; border-radius: 7px; white-space: nowrap; }
.dz-green.g { background: color-mix(in srgb, var(--done) 18%, transparent); color: var(--done); }
.dz-green.r { background: color-mix(in srgb, var(--fail) 15%, transparent); color: var(--fail); }
.dz-log-row .md { font-size: 13.5px !important; color: var(--text2); }

@media (max-width: 1000px) {
  .dz-body { grid-template-columns: minmax(0, 1fr); }
  .dz-rail { display: none; }
  .dz-home-top { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .dz-hero { padding: 22px 18px 18px; border-radius: 16px; }
  .dz-hero h1 { font-size: 30px; }
  .dz-idea { font-size: 16px; }
  .dz-next { grid-template-columns: 1fr; }
  .dz-next-date { grid-auto-flow: column; gap: 10px; padding: 10px; }
  .dz-flashes, .dz-reps, .dz-patgrid { grid-template-columns: 1fr; }
  .dz-log-row { grid-template-columns: 1fr; }
  .dz-tl { grid-template-columns: 52px 22px 1fr; }
  .dz-home-hero { flex-direction: column; align-items: flex-start; }
  .dz-tabs { overflow-x: auto; }
  .dz-bar { flex-basis: 140px; }
}

.dz-h[hidden] { display: none; }
.dz-reps { align-items: start; }
.dz-day .chip { justify-self: start; }
.dz-srcrow { display: flex; justify-content: flex-end; margin: 4px 0 12px; }
.dz-tabs button { white-space: nowrap; }
@media (max-width: 700px) { .dz-where { display: grid; gap: 4px; } }