/* Pianoforte365 · design system */
:root{
  /* Light "paper" theme is the default: positive polarity (dark text on a bright, warm, low-saturation background) */
  --bg:#F6F2E9; --bg2:#EFE9DC; --panel:#FFFDF8; --panel2:#F3EEE3; --panel3:#E6DED0;
  --line:#E2D9C8; --line2:#CFC4AF; --text:#1D2126; --muted:#545C66; --dim:#7D848D;
  --brass:#9A7420; --brass2:#7E5E17; --brass-ink:#FFFFFF;
  --paper:#FBF8F1; --paper-ink:#1C1C18; --paper-line:#E4DCCB;
  --f1:#D24B35; --f2:#2F73B8; --f3:#2F9160; --f4:#9A4BB8; --f5:#C98A1E;
  --ok:#2E7D57; --warn:#A8700F; --bad:#B4485E;
  --hl:rgba(255,214,102,.55); --strong:#141619;
  --topbg:rgba(246,242,233,.86); --tabbg:rgba(250,247,240,.96); --feat1:#FFFDF8; --feat2:#F3EEE3;
  --r:14px; --r2:10px; --shadow:0 10px 30px rgba(60,48,20,.12);
  --serif:'Cormorant Garamond','Noto Serif SC','Songti SC',Georgia,serif;
  --sans:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --top:62px; --tab:0px;
  --acc:#9A7420; --acc-ink:#FFFFFF; --acc-soft:rgba(154,116,32,.10); --acc-line:rgba(154,116,32,.35);
}
html[data-theme="dark"]{
  --bg:#0E1115; --bg2:#12161C; --panel:#161B22; --panel2:#1C222B; --panel3:#232A35;
  --line:#2A313D; --line2:#353E4C; --text:#E8EAED; --muted:#9AA3AF; --dim:#6E7784;
  --brass:#C8A24A; --brass2:#E2C27A; --brass-ink:#14171C;
  --f1:#E0533D; --f2:#3B82C4; --f3:#3FA76A; --f4:#B45CD1; --f5:#E0A32E;
  --ok:#4FB37E; --warn:#E0A32E; --bad:#E07A8C;
  --hl:rgba(200,162,74,.28); --strong:#F3E7C6;
  --topbg:rgba(14,17,21,.82); --tabbg:rgba(18,22,28,.94); --feat1:#1D232D; --feat2:#151A21;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --acc:#C8A24A; --acc-ink:#14171C; --acc-soft:rgba(200,162,74,.10); --acc-line:rgba(200,162,74,.35);
}
/* Section colour coding: one calm, consistent hue per area (low-to-mid saturation; no alarm red) */
body[data-sec="practice"]{--acc:#2E7D57;--acc-soft:rgba(46,125,87,.10);--acc-line:rgba(46,125,87,.35)}
body[data-sec="technique"]{--acc:#8A6212;--acc-soft:rgba(138,98,18,.10);--acc-line:rgba(138,98,18,.35)}
body[data-sec="sight"]{--acc:#2D5DA6;--acc-soft:rgba(45,93,166,.10);--acc-line:rgba(45,93,166,.35)}
body[data-sec="reading"]{--acc:#117A7E;--acc-soft:rgba(17,122,126,.10);--acc-line:rgba(17,122,126,.35)}
body[data-sec="theory"]{--acc:#5747A6;--acc-soft:rgba(87,71,166,.10);--acc-line:rgba(87,71,166,.35)}
body[data-sec="repertoire"]{--acc:#8E3A63;--acc-soft:rgba(142,58,99,.10);--acc-line:rgba(142,58,99,.35)}
body[data-sec="pop"]{--acc:#7C4AA6;--acc-soft:rgba(124,74,166,.10);--acc-line:rgba(124,74,166,.35)}
body[data-sec="guide"]{--acc:#4F5D6E;--acc-soft:rgba(79,93,110,.10);--acc-line:rgba(79,93,110,.35)}
html[data-theme="dark"] body[data-sec="practice"]{--acc:#5CC08F}
html[data-theme="dark"] body[data-sec="technique"]{--acc:#D9B25A}
html[data-theme="dark"] body[data-sec="sight"]{--acc:#7AA6E8}
html[data-theme="dark"] body[data-sec="reading"]{--acc:#4CC3C7}
html[data-theme="dark"] body[data-sec="theory"]{--acc:#A79AF0}
html[data-theme="dark"] body[data-sec="repertoire"]{--acc:#E08AB4}
html[data-theme="dark"] body[data-sec="pop"]{--acc:#C79AEC}
html[data-theme="dark"] body[data-sec="guide"]{--acc:#A9B6C6}
html[data-theme="dark"] body[data-sec]{--acc-ink:#14171C}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15.5px;line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh;padding-bottom:var(--tab)}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:4px}
::selection{background:rgba(200,162,74,.35)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:8px;z-index:99;background:var(--brass);color:#000;padding:6px 10px;border-radius:6px}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:50;height:var(--top);display:flex;align-items:center;gap:14px;padding:0 18px;background:var(--topbg);backdrop-filter:saturate(1.3) blur(14px);-webkit-backdrop-filter:saturate(1.3) blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none!important;flex:0 0 auto}
.brand svg{width:30px;height:30px}
.brand b{font-family:var(--serif);font-weight:600;font-size:22px;letter-spacing:.01em;line-height:1}
.brand b i{font-style:italic;color:var(--brass)}
.brand small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:2px;margin-left:8px;flex:1 1 auto;min-width:0;overflow:visible}
.nav .grp{position:relative}
.nav .grp>button,.nav>a{background:none;border:0;color:var(--muted);padding:8px 11px;border-radius:8px;cursor:pointer;font-weight:500;font-size:14px;white-space:nowrap;text-decoration:none}
.nav .grp>button:hover,.nav>a:hover,.nav .grp.open>button{color:var(--text);background:var(--panel2)}
.nav .grp>button.on,.nav>a.on{color:var(--acc)}
.nav .menu{position:absolute;top:calc(100% + 6px);left:0;min-width:250px;background:var(--panel);border:1px solid var(--line2);border-radius:12px;padding:6px;box-shadow:var(--shadow);display:none}
.nav .grp.open .menu{display:block}
.nav .menu a{display:flex;flex-direction:column;padding:8px 10px;border-radius:8px;color:var(--text);text-decoration:none}
.nav .menu a small{color:var(--muted);font-size:12px;line-height:1.35}
.nav .menu a:hover{background:var(--panel2)}
.tools{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;min-width:36px;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer}
.iconbtn:hover{border-color:var(--line2);background:var(--panel2)}
.iconbtn svg{width:17px;height:17px}
.iconbtn .k{font-family:var(--mono);font-size:11px;color:var(--dim);border:1px solid var(--line);border-radius:4px;padding:0 4px}
.lang{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.lang button{background:none;border:0;padding:0 10px;height:34px;cursor:pointer;color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.02em}
.lang button[aria-pressed="true"]{background:var(--text);color:var(--bg)}
.burger{display:none}
@media(max-width:1080px){.nav{display:none}.burger{display:inline-flex}.iconbtn .lbl,.iconbtn .k{display:none}}
@media(max-width:520px){.brand small{display:none}.brand b{font-size:19px}.top{gap:8px;padding:0 10px}.lang button{padding:0 8px}}
@media(max-width:430px){.tools{gap:5px}.tools .iconbtn{min-width:32px;height:32px;padding:0 6px}.lang button{padding:0 6px;height:30px;font-size:12px}.brand{gap:7px}.brand svg{width:26px;height:26px}.brand b{font-size:17px}}
@media(max-width:360px){.brand b{display:none}}

/* drawer (mobile nav) */
.drawer{position:fixed;inset:0;z-index:70;display:none}
.drawer.open{display:block}
.drawer .scrim{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.drawer .sheet{position:absolute;right:0;top:0;bottom:0;width:min(360px,92vw);background:var(--panel);border-left:1px solid var(--line);overflow:auto;padding:16px 14px 40px}
.drawer h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);margin:18px 6px 6px}
.drawer a{display:block;padding:9px 10px;border-radius:9px;color:var(--text)}
.drawer a small{display:block;color:var(--muted);font-size:12px}
.drawer a:hover{background:var(--panel2);text-decoration:none}

/* bottom tabbar (mobile) */
.tabbar{display:none}
@media(max-width:760px){
  :root{--tab:64px}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;height:calc(var(--tab) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);z-index:60;background:var(--tabbg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;text-decoration:none}
  .tabbar a svg{width:21px;height:21px}
  .tabbar a.on{color:var(--acc)}
}

/* ---------- search ---------- */
.search{position:fixed;inset:0;z-index:80;display:none;background:rgba(6,8,10,.66);backdrop-filter:blur(4px)}
.search.open{display:block}
.search .box{max-width:760px;margin:9vh auto 0;background:var(--panel);border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
@media(max-width:760px){.search .box{margin:0;border-radius:0;height:100%;max-width:none}}
.search .bar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
.search input{flex:1;background:none;border:0;color:var(--text);font-size:18px;outline:none;min-width:0}
.search .res{max-height:64vh;overflow:auto;padding:6px}
@media(max-width:760px){.search .res{max-height:calc(100% - 64px)}}
.search .res a{display:block;padding:10px 12px;border-radius:10px;color:var(--text);text-decoration:none}
.search .res a:hover,.search .res a.sel{background:var(--panel2)}
.search .res .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc)}
.search .res .t{font-weight:600;margin:1px 0}
.search .res .s{color:var(--muted);font-size:13px;line-height:1.45}
.search mark{background:var(--hl);color:inherit;border-radius:3px;padding:0 1px}
.search .empty{padding:24px;color:var(--muted);text-align:center}
.search .hints{padding:10px 14px 14px;display:flex;gap:6px;flex-wrap:wrap}

/* ---------- layout ---------- */
main{min-height:70vh}
.wrap{max-width:1200px;margin:0 auto;padding:30px 20px 70px}
.wrap.narrow{max-width:860px}
.page-head{padding:6px 0 22px;border-bottom:1px solid var(--line);margin-bottom:26px}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--acc)}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:.005em;line-height:1.15}
h1{font-size:clamp(32px,5.2vw,54px);margin:8px 0 10px}
h1 em,h2 em{color:var(--acc);font-style:italic}
h2{font-size:clamp(24px,3.2vw,32px);margin:34px 0 12px}
h3{font-size:22px;margin:24px 0 8px}
h4{font-size:13px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:22px 0 8px;font-weight:500}
.lead{color:var(--muted);font-size:17px;max-width:68ch;margin:0}
p{margin:0 0 12px}
.muted{color:var(--muted)}.dim{color:var(--dim)}.small{font-size:13px}
.mono{font-family:var(--mono)}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:980px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}}
.side{display:grid;grid-template-columns:270px minmax(0,1fr);gap:26px;align-items:start}
@media(max-width:940px){.side{grid-template-columns:minmax(0,1fr)}}
.side>*,.grid>*{min-width:0}
.sticky{position:sticky;top:calc(var(--top) + 14px)}
@media(max-width:940px){.sticky{position:static}}

/* ---------- cards ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.card.pad-l{padding:22px 24px}
.card h3{margin-top:0}
.card.link{display:block;color:var(--text);text-decoration:none;transition:border-color .15s,transform .15s}
.card.link:hover{border-color:var(--acc);transform:translateY(-2px)}
.card .ico{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--panel2);border:1px solid var(--line);margin-bottom:10px;color:var(--acc)}
.card .ico svg{width:20px;height:20px}
.feature{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--feat1) 0%,var(--feat2) 70%);border:1px solid var(--line2)}
.feature:after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,var(--acc-soft),transparent 70%)}
.tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc);border:1px solid var(--acc-line);border-radius:999px;padding:2px 9px}
.tag.g{color:#2E7D57;border-color:rgba(46,125,87,.4)}
.tag.v{color:#7C4AA6;border-color:rgba(124,74,166,.4)}
.tag.b{color:#2D5DA6;border-color:rgba(45,93,166,.4)}
.tag.r{color:#8E3A63;border-color:rgba(142,58,99,.4)}
.pill{background:var(--panel2);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:6px 13px;font-size:13px;cursor:pointer;line-height:1.3}
.pill:hover{color:var(--text);border-color:var(--line2)}
.pill[aria-pressed="true"],.pill.on{background:var(--acc);border-color:var(--acc);color:var(--acc-ink);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--acc);color:var(--acc-ink);border:0;border-radius:10px;padding:10px 18px;font-weight:600;cursor:pointer;text-decoration:none!important;line-height:1.2}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line2)}
.btn.ghost:hover{border-color:var(--acc);color:var(--acc)}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn svg{width:16px;height:16px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.callout{border-left:3px solid var(--acc);background:var(--acc-soft);padding:12px 16px;border-radius:0 10px 10px 0;margin:14px 0}
.callout.v{border-color:var(--f4);background:rgba(180,92,209,.08)}
.callout.b{border-color:var(--f2);background:rgba(59,130,196,.08)}
.callout.g{border-color:var(--ok);background:rgba(79,179,126,.08)}
.callout.r{border-color:var(--bad);background:rgba(224,83,61,.08)}
.callout b:first-child{color:var(--acc)}
.k{font-family:var(--mono);background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:12.5px;color:var(--text)}
hr{border:0;border-top:1px solid var(--line);margin:26px 0}

/* ---------- prose ---------- */
.prose{max-width:78ch}
.prose h2{margin-top:30px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 14px}
.prose li{margin:4px 0}
.prose strong{color:var(--strong);font-weight:600;background:linear-gradient(transparent 58%,var(--hl) 58%);padding:0 1px;border-radius:2px}
.prose blockquote{margin:14px 0;padding:10px 16px;border-left:3px solid var(--line2);color:var(--muted);font-style:italic}
table.t{width:100%;border-collapse:collapse;font-size:14px;margin:10px 0 16px}
table.t th,table.t td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
table.t th{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:500}
.tablewrap{overflow-x:auto}

/* ---------- toc / tabs ---------- */
.toc{display:flex;flex-direction:column;gap:2px}
.toc a{color:var(--muted);padding:6px 10px;border-radius:8px;font-size:14px;text-decoration:none;border-left:2px solid transparent}
.toc a:hover{color:var(--text);background:var(--panel2)}
.toc a.on{color:var(--acc);border-left-color:var(--acc);background:var(--panel2)}
.toc .grp{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:14px 10px 4px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 18px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button,.tabs a{background:none;border:0;color:var(--muted);padding:10px 14px;cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;font-weight:500;text-decoration:none}
.tabs .on{color:var(--text);border-bottom-color:var(--acc)}

/* ---------- score ---------- */
.score{background:var(--paper);color:var(--paper-ink);border-radius:var(--r);border:1px solid var(--line2);margin:12px 0 16px;overflow:hidden}
.score .sv{padding:8px 6px 0;overflow-x:auto}
.score .sv svg{display:block}
.score .cap{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center;padding:8px 14px;border-top:1px solid var(--paper-line);background:#F3EEE2;font-size:12.5px;color:#4A4637}
.score .cap .ttl{font-family:var(--serif);font-size:16px;font-weight:600;color:#23211B}
.score .ctl{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.score .ctl button{background:#23211B;color:#F6EEDB;border:0;border-radius:8px;padding:6px 12px;font-size:12.5px;cursor:pointer;font-weight:600}
.score .ctl button.alt{background:transparent;color:#23211B;border:1px solid #BDB29A}
.score .ctl button.on{background:var(--brass);color:#14171C}
.score .ctl input[type=range]{width:90px;accent-color:#8F6B1F}
.score .ctl .tp{font-family:var(--mono);min-width:44px}
.score .lic{font-size:11px;color:#7A7462;padding:0 14px 8px;background:#F3EEE2}
.score .lic a{color:#7A5A12}
.abcjs-hl,.abcjs-hl path,.abcjs-note.abcjs-hl{fill:#B07A10!important;stroke:#B07A10}
.score.dark-hide .sv{min-height:40px}
.abcjs-container{width:100%}

/* ---------- keyboard / dial (technique) ---------- */
.kb{width:100%;height:auto;border-radius:10px;background:var(--panel2);border:1px solid var(--line);display:block}
.dial{width:100%;max-width:300px;margin:0 auto;display:block;touch-action:manipulation}
.seg{cursor:pointer;transition:fill .18s}
.seg.white{fill:#E9E5DC}.seg.black{fill:#20252E}
.seg:hover{fill:#3A424F}.seg.white:hover{fill:#fff}
.seg.sel{fill:var(--acc)!important}
.seglab{font-family:var(--serif);font-size:15px;pointer-events:none;font-weight:600}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:10px}
.legend b{display:inline-block;width:18px;height:18px;border-radius:5px;text-align:center;line-height:18px;color:#12151A;margin-right:5px}
.scorebox{background:var(--paper);border-radius:var(--r);border:1px solid var(--line2);overflow-x:auto;padding:10px 0 4px}
.switch{display:flex;align-items:center;gap:10px;padding:7px 0;cursor:pointer;font-size:14px}
.switch input{appearance:none;-webkit-appearance:none;width:38px;height:22px;border-radius:99px;background:var(--panel2);border:1px solid var(--line);position:relative;cursor:pointer;flex:0 0 auto;margin:0}
.switch input:checked{background:var(--acc);border-color:var(--acc)}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#9AA3AF;transition:transform .15s}
.switch input:checked::after{transform:translateX(16px);background:#14171C}
input[type=range]{accent-color:var(--acc)}
select,input[type=text],input[type=date],input[type=number],textarea{background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:9px;padding:8px 10px;font:inherit;font-size:14px}
textarea{width:100%;min-height:80px;resize:vertical}
label.f{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted)}

/* ---------- session / tracker ---------- */
.ring{width:132px;height:132px;flex:0 0 auto}
.ring circle{fill:none;stroke-width:10}
.ring .bg{stroke:var(--panel3)}
.ring .fg{stroke:var(--acc);stroke-linecap:round;transition:stroke-dashoffset .4s}
.ring text{fill:var(--text);font-family:var(--serif);font-weight:600}
.blocks{display:flex;flex-direction:column;gap:12px}
.block{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:14px;align-items:start;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.block.done{border-color:rgba(46,125,87,.45);background:linear-gradient(90deg,rgba(46,125,87,.08),var(--panel) 40%)}
.block.run{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc-line) inset}
.block .min{font-family:var(--serif);font-size:30px;font-weight:600;line-height:1;color:var(--acc);text-align:center}
.block .min small{display:block;font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.12em}
.block h3{margin:0 0 4px;font-size:21px}
.block ul{margin:6px 0 0;padding-left:18px}
.block li{margin:3px 0}
.block .acts{display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.block .clock{font-family:var(--mono);font-size:15px;color:var(--text);min-width:58px;text-align:right}
@media(max-width:640px){.block{grid-template-columns:44px minmax(0,1fr)}.block .acts{grid-column:1/-1;flex-direction:row;justify-content:flex-end}}
.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,12px);gap:3px;overflow-x:auto;padding-bottom:6px}
.heat i{width:12px;height:12px;border-radius:3px;background:var(--panel3);display:block}
.heat i.l1{background:color-mix(in srgb,var(--acc) 25%,var(--panel3))}.heat i.l2{background:color-mix(in srgb,var(--acc) 50%,var(--panel3))}.heat i.l3{background:color-mix(in srgb,var(--acc) 75%,var(--panel3))}.heat i.l4{background:var(--acc)}
.heat i.today{outline:1.5px solid var(--text)}
.stat{display:flex;flex-direction:column}
.stat b{font-family:var(--serif);font-size:34px;line-height:1.05;color:var(--text)}
.stat span{font-size:12px;color:var(--muted);font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase}
.bar{height:8px;border-radius:99px;background:var(--panel3);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--acc);border-radius:99px}
.weekgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.wk{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--text);text-decoration:none!important;position:relative}
.wk:hover{border-color:var(--acc)}
.wk .n{font-family:var(--mono);font-size:11px;color:var(--acc);letter-spacing:.1em}
.wk .t{font-size:13.5px;line-height:1.35;margin-top:3px}
.wk .p{position:absolute;left:0;bottom:0;height:3px;background:var(--ok);border-radius:0 3px 0 12px}
.wk.cur{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc) inset}
.daystrip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.daystrip a{display:flex;flex-direction:column;align-items:center;padding:7px 1px;border-radius:9px;background:var(--panel);border:1px solid var(--line);color:var(--muted);text-decoration:none!important;font-size:11px;min-width:0;overflow:hidden}
.daystrip a b{font-family:var(--serif);font-size:clamp(12px,1.25vw,18px);color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.daystrip a.on{border-color:var(--acc);color:var(--acc)}
.daystrip a.ok{background:rgba(46,125,87,.12);border-color:rgba(46,125,87,.45)}

/* ---------- quiz / flash ---------- */
.quiz{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.quiz .q{font-size:18px;margin-bottom:12px}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.opts button{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;text-align:left;color:var(--text)}
.opts button:hover{border-color:var(--line2)}
.opts button.ok{border-color:var(--ok);background:rgba(46,125,87,.14)}
.opts button.bad{border-color:var(--bad);background:rgba(180,72,94,.10)}
.score-pill{font-family:var(--mono);font-size:13px;color:var(--muted)}
.flash{position:relative}
.flash .cover{position:absolute;inset:0;background:var(--paper);display:flex;align-items:center;justify-content:center;color:#6b6450;font-family:var(--serif);font-size:22px;border-radius:var(--r)}
.countdown{font-family:var(--mono);font-size:28px;color:var(--acc)}

/* ---------- pattern library ---------- */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
@media(max-width:420px){.pgrid{grid-template-columns:minmax(0,1fr)}}
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.pcard .hd{padding:12px 14px 6px}
.pcard .hd h3{margin:4px 0 2px;font-size:20px}
.pcard .bd{padding:0 14px 12px;font-size:14px}
.pcard .score{margin:0;border-radius:0;border-left:0;border-right:0}
.pcard .ex{font-size:12.5px;color:var(--muted)}
.chips{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- home ---------- */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center;padding:18px 0 30px}
@media(max-width:900px){.hero{grid-template-columns:minmax(0,1fr)}}
.hero h1{font-size:clamp(38px,6.4vw,72px);margin:6px 0 12px}
.hero .lead{font-size:18px}
.today-card{display:flex;gap:18px;align-items:center}
.pillars{counter-reset:p}
.footer{border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;padding:24px 20px 40px;max-width:1200px;margin:0 auto}
.footer a{color:var(--muted);text-decoration:underline}
.toast{position:fixed;left:50%;bottom:calc(var(--tab) + 18px);transform:translateX(-50%);background:var(--panel3);border:1px solid var(--line2);color:var(--text);padding:10px 16px;border-radius:10px;z-index:90;box-shadow:var(--shadow);font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.on{opacity:1}
.notice{background:var(--panel2);border:1px dashed var(--line2);border-radius:10px;padding:10px 14px;font-size:13px;color:var(--muted)}
.lyrics-note{font-size:12px;color:var(--dim)}
details.acc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:10px 0}
details.acc>summary{cursor:pointer;padding:12px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:10px}
details.acc>summary::-webkit-details-marker{display:none}
details.acc>summary:after{content:"+";color:var(--acc);font-family:var(--mono)}
details.acc[open]>summary:after{content:"–"}
details.acc>div{padding:0 0 14px}
.badge-day{font-family:var(--mono);font-size:12px;color:var(--acc);letter-spacing:.08em}
.kbdhint{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
@media print{
  body{background:#fff;color:#000}
  .top,.tabbar,.footer,.score .ctl,.no-print,.search,.drawer{display:none!important}
  .card,.block{border:1px solid #ccc;background:#fff;color:#000}
  .wrap{padding:0}
  a{color:#000}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
:lang(zh) h1 em,:lang(zh) h2 em,:lang(zh) .brand b i{font-style:normal}
:lang(zh) h1,:lang(zh) h2,:lang(zh) h3{font-family:'Noto Serif SC','Songti SC',var(--serif);letter-spacing:.02em}
.srbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.lvl{display:flex;gap:6px;flex-wrap:wrap}
.cover-wrap{position:relative}
.cover-wrap .cover{position:absolute;inset:0;z-index:3;background:rgba(251,248,241,.97);border-radius:var(--r);display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;color:#3b372c;font-family:var(--serif);font-size:22px;text-align:center;padding:20px}
.cover-wrap .cover .countdown{color:#8F6B1F;font-size:44px}
.check{display:flex;gap:8px;align-items:center;font-size:14px;cursor:pointer}
.check input{accent-color:var(--acc);width:17px;height:17px}

/* theme toggle + colour legend */
.theme-btn svg{width:17px;height:17px}
.seclegend{display:flex;flex-wrap:wrap;gap:8px}
.seclegend span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.seclegend i{width:14px;height:14px;border-radius:4px;display:inline-block}
html[data-theme="dark"] .tag.g{color:#5CC08F}html[data-theme="dark"] .tag.v{color:#C79AEC}html[data-theme="dark"] .tag.b{color:#7AA6E8}html[data-theme="dark"] .tag.r{color:#E08AB4}
.nav .menu a .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:1px}

/* memory90 */
ol.steps{margin:0;padding-left:1.3em}ol.steps li{margin:0 0 10px;line-height:1.65}ol.steps li::marker{color:var(--acc);font-weight:700}
.mt-Memoria{--c:#4F5D6E}.mt-Tecnica{--c:#8A6212}.mt-Metodo{--c:#2E7D57}.mt-Esecuzione{--c:#8E3A63}.mt-Teoria{--c:#5747A6}.mt-Mente{--c:#2D5DA6}.mt-Lettura{--c:#117A7E}
html[data-theme="dark"] .mt-Memoria{--c:#A9B6C6}html[data-theme="dark"] .mt-Tecnica{--c:#D9B25A}html[data-theme="dark"] .mt-Metodo{--c:#5CC08F}html[data-theme="dark"] .mt-Esecuzione{--c:#E08AB4}html[data-theme="dark"] .mt-Teoria{--c:#A79AF0}html[data-theme="dark"] .mt-Mente{--c:#7AA6E8}html[data-theme="dark"] .mt-Lettura{--c:#4CC3C7}
.tag[class*="mt-"]{color:var(--c);border-color:var(--c)}

/* harmony lab */
.card.on{border-color:var(--acc);box-shadow:0 0 0 2px var(--acc-line)}
.kbwrap{margin-top:6px;overflow-x:auto}.kbwrap .kb{min-width:520px}
button.card{font:inherit;color:inherit;cursor:pointer;width:100%}
.flip .fq{display:block;font-size:17px;margin-top:4px}

.toc a{overflow-wrap:anywhere}

/* tuning */
.roll{width:100%;height:auto;display:block;background:var(--panel2);border-radius:10px;border:1px solid var(--line)}
[id]{scroll-margin-top:84px}