/* V2.3.0 is additive; original theme/reader styles stay unchanged. */
.z230{--ink:#302a40;--muted:#665d73;--paper:#fffefa;--surface:#f7f3fb;--line:#ddd3e7;--accent:#62418d;--gold:#947024;color:var(--ink);line-height:1.75}
.z230 *{box-sizing:border-box}.z230 [hidden]{display:none!important}.z230 a{color:var(--accent);text-underline-offset:3px}.z230 img{max-width:100%;height:auto}.z230 :focus-visible{outline:3px solid #947024;outline-offset:4px}.z230 h1,.z230 h2,.z230 h3{line-height:1.3;color:inherit;overflow-wrap:anywhere}.z230 h1{font-size:clamp(28px,4vw,46px);letter-spacing:-.025em}.z230 h2{font-size:clamp(23px,3vw,31px)}.z230 h3{font-size:21px}.z230 p{color:inherit}.z230 small,.z230-muted{color:var(--muted)}
.z230-hero{padding:38px 0 24px}.z230-kicker{color:var(--accent);font-size:12px;font-weight:750;letter-spacing:.12em;text-transform:uppercase}.z230-hero p{max-width:70ch}.z230-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:clamp(18px,3vw,30px);margin:18px 0;box-shadow:0 6px 24px #39264b05}.z230-inset{padding:16px;background:var(--surface);border-radius:12px;border-left:3px solid var(--gold)}.z230-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.z230-grid>.z230-card{margin:0}.z230-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}.z230-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}.z230 label{display:grid;gap:7px;font-weight:600}.z230 button,.z230-btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:10px 17px;border:1px solid var(--line);border-radius:12px;color:var(--accent);background:var(--paper);font:inherit;font-weight:650;cursor:pointer;text-decoration:none;line-height:1.4}.z230 button:disabled{opacity:.55;cursor:not-allowed}.z230 .z230-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.z230 input:not([type=checkbox]),.z230 select,.z230 textarea{max-width:100%;width:100%;min-height:46px;padding:10px 12px;background:var(--paper);border:1px solid var(--line);border-radius:10px;color:var(--ink);font:inherit}.z230 textarea{min-height:100px;resize:vertical}.z230 input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent);flex-shrink:0}.z230 .z230-check{display:flex;align-items:center;gap:10px;min-height:46px;font-weight:500}.z230-status{min-height:26px;white-space:pre-line;color:var(--muted)}.z230-status[data-error=true]{color:#97263d;background:#fff0f3;padding:12px;border-radius:10px}.z230-tag{display:inline-block;background:var(--surface);color:var(--accent);font-size:12px;border-radius:20px;padding:4px 10px}.z230-card-cover{height:150px!important;width:auto;display:block;margin:0 auto 14px;border-radius:8px}.z230-filters{display:grid;grid-template-columns:2fr 1fr;gap:14px}.z230-table-wrap{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:14px}.z230 table{border-collapse:collapse;width:100%;background:var(--paper)}.z230 th,.z230 td{text-align:left;vertical-align:top;padding:14px;border-bottom:1px solid var(--line);min-width:135px}.z230 th{background:var(--surface)}.z230 dl{display:grid;grid-template-columns:minmax(110px,1fr) 2fr;gap:10px;margin:14px 0}.z230 dt{font-weight:700}.z230 dd{margin:0;overflow-wrap:anywhere}.z230 summary{cursor:pointer;min-height:46px;padding:12px 0;font-weight:700}.z230-toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.z230-toc a{display:block;padding:10px;border:1px solid var(--line);border-radius:10px;text-decoration:none;min-height:44px}.z230-toc a[aria-current]{background:var(--surface);font-weight:700}.z230-banner{border:1px solid #ddd3e7;border-left:4px solid #ac8736;border-radius:16px;padding:18px 22px;margin:20px auto;background:#fbf8ff}.z230-banner .z230-toolbar{margin-bottom:0}.z230-term{border:0!important;border-bottom:1px dotted var(--accent)!important;border-radius:0!important;padding:1px 4px!important;min-height:0!important;background:transparent!important;color:var(--accent)!important;text-align:left}.z230-term-help{display:block;padding:14px;margin:8px 0;background:var(--surface);border-left:3px solid var(--gold);font-size:16px;line-height:1.7}.z230-reader-tools{margin:16px 0}.z230-reader-tools .z230-card{padding:16px}.z230-flow{max-width:78ch;margin:auto;font-size:var(--read-size,19px);line-height:var(--read-height,1.85);letter-spacing:.008em}.z230-flow article{scroll-margin-top:24px}.z230-flow .z230-page-text{white-space:pre-line;overflow-wrap:anywhere;line-height:inherit}.z230-page-text p{margin:.65em 0}.z230-page-heading{font-size:1.08em;font-weight:700}.z230-easy .z230-card{background:var(--paper)}.z230-easy[data-read-theme=dark]{--paper:#231f2b;--surface:#302938;--ink:#f0eaf7;--muted:#c5bbcf;--accent:#d6b9ff;--line:#51435f;--gold:#d9b564;background:#1b1821;padding-bottom:25px}.z230-easy[data-read-theme=contrast]{--paper:#fff;--surface:#f3f3f3;--ink:#171717;--muted:#333;--accent:#43216d;--line:#333;background:#fff;padding-bottom:25px}.z230-easy .z230-primary{background:#62418d;color:#fff}.z230-days{display:flex;gap:8px;flex-wrap:wrap}.z230-days button{min-width:46px}.z230-days button[aria-pressed=true]{border:2px solid var(--accent);font-weight:800}.z230-days button[data-done=true]:after{content:' ✓'}.z230 progress{width:100%;height:12px;accent-color:var(--accent)}.z230-note-text{white-space:pre-wrap;overflow-wrap:anywhere}.z230-metric{font-size:32px;font-weight:750;letter-spacing:-.03em}.z230-safe{overflow-wrap:anywhere}.z230-actions-row{display:flex;gap:12px;flex-wrap:wrap}.z230-card ol,.z230-card ul{padding-left:24px}.z230-card li{margin:6px 0}
.z230-easy .z230{--ink:inherit;--muted:inherit;--paper:inherit;--surface:inherit;--line:inherit;--accent:inherit;--gold:inherit}.z230-easy .z230-banner{background:var(--surface);border-color:var(--line)}
@media(max-width:900px){.z230-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.z230-columns{grid-template-columns:1fr}}
@media(max-width:600px){.z230-grid,.z230-filters,.z230-toc{grid-template-columns:1fr}.z230-hero{padding-top:22px}.z230-toolbar>*{max-width:100%}.z230-toolbar label{flex:1 1 135px}.z230 dl{grid-template-columns:1fr;gap:4px}.z230 dd{margin-bottom:10px}.z230-card{border-radius:15px}.z230-flow{font-size:var(--read-size,18px)}.z230-banner{padding:16px}.z230-actions-row>*{flex:1 1 auto}}
@media(prefers-reduced-motion:reduce){.z230 *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.z230-toolbar,.z230-filters,.z230-reader-tools,.z230-days,.z230-no-print{display:none!important}.z230,.z230-easy{--paper:#fff!important;--ink:#000!important;--muted:#222!important;--line:#aaa!important;background:white!important;color:black!important}.z230-card{box-shadow:none;break-inside:avoid}.z230-flow{font-size:12pt;max-width:none}.z230-flow article{break-inside:auto}}