/* Web-app additions on top of manual.css (same tokens). */
.brand { display: inline-flex; align-items: center; gap: 8px; }
.brand-mark { width: 24px; height: 24px; flex: none; }
.topbar .brand .brand-word { color: var(--ink); }
.brand-mark .bm-i { fill: var(--ink); }
.brand-mark .bm-b { fill: var(--accent); }
.brand-mark .bm-s { fill: #f2a516; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .brand-mark .bm-s { fill: #ffbf3c; } }
:root[data-theme="dark"] .brand-mark .bm-s { fill: #ffbf3c; }
html { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }

.account { display: flex; align-items: center; gap: 8px; font: 13px var(--font-display); white-space: nowrap; }
.account .who { color: var(--muted); max-width: 22ch; overflow: hidden; text-overflow: ellipsis; }
.account a, .account button { font: 600 13px/1 var(--font-display); color: var(--ink); background: var(--accent-soft); border: 1px solid var(--rule); border-radius: 6px; padding: 8px 10px; cursor: pointer; text-decoration: none; }
.account .primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--surface); }
@media (max-width: 600px) { .account .who { display: none; } }

.toc-part li .lock { font: 600 10.5px var(--font-mono); color: var(--muted); border: 1px solid var(--rule); border-radius: 4px; padding: 1px 4px; margin-top: 5px; }
.toc-part li .lock.free { color: var(--numbers); border-color: var(--numbers); }
.toc-part li input:disabled { opacity: .35; }

.reader-part { font: 700 12px var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 8px 0 0; min-height: 1em; }
#content section.chapter { margin-top: 10px; }
.loading { color: var(--muted); padding: 40px 0; }

.locked { margin: 32px 0; padding: 24px; border: 1px solid var(--rule); border-radius: 10px; background: var(--surface); }
.locked h2 { font: 700 28px/1.15 var(--font-display); margin: 0 0 8px; letter-spacing: -.01em; }
.locked p { color: var(--muted); }
.locked .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.btn { display: inline-block; font: 600 15px/1 var(--font-display); padding: 12px 16px; border-radius: 8px; border: 1px solid var(--rule); background: var(--surface); color: var(--ink); text-decoration: none; cursor: pointer; }

.chapter-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 56px 0 0; padding-top: 18px; border-top: 1px solid var(--rule); }
.chapter-nav a { display: block; padding: 12px 14px; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); text-decoration: none; color: var(--ink); font-family: var(--font-display); min-width: 0; }
.chapter-nav a span { display: block; font-size: 12px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.chapter-nav a.next { text-align: right; grid-column: 2; }
.chapter-done { display: flex; align-items: center; gap: 10px; margin-top: 40px; padding: 14px 16px; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); font-family: var(--font-display); }
.chapter-done input { width: 18px; height: 18px; accent-color: var(--accent); }

/* landing */
.landing { max-width: 1040px; margin: 0 auto; padding-block: 40px 80px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.land-hero .eyebrow, .callback .eyebrow { font: 700 12px var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.land-hero h1 { font: 700 clamp(34px, 5.4vw, 60px)/1.04 var(--font-display); letter-spacing: -.03em; margin: 0 0 16px; max-width: 18ch; text-wrap: balance; }
.land-lede { font-size: 19px; color: var(--muted); max-width: 64ch; margin: 0 0 24px; }
.land-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.land-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 34px 0 0; padding: 18px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.land-stats div { min-width: 0; }
.land-stats dt { font: 700 34px/1 var(--font-display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.land-stats dd { margin: 4px 0 0; padding: 0; border: 0; color: var(--muted); font: 14px var(--font-display); }
@media (max-width: 600px) { .land-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.land-progress { margin: 32px 0 0; padding: 18px 20px; border: 1px solid var(--rule); border-radius: 10px; background: var(--surface); }
.land-progress h2 { font: 700 20px var(--font-display); margin: 0 0 4px; }
.land-progress p { margin: 0 0 12px; color: var(--muted); }
.bars { display: grid; gap: 8px; }
.bar { display: grid; grid-template-columns: minmax(0, 13em) minmax(0, 1fr) 4.5em; align-items: center; gap: 10px; font: 13.5px var(--font-display); }
.bar .track { height: 8px; border-radius: 4px; background: var(--rule); overflow: hidden; }
.bar .fill { height: 100%; background: var(--accent); }
.bar .num { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }

.pricing h2 { font: 700 28px var(--font-display); letter-spacing: -.01em; margin: 48px 0 6px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 16px; max-width: 760px; }
.plan { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 22px 20px 20px; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); min-width: 0; }
.plan.featured { border: 2px solid var(--accent); }
.plan p { margin: 0; max-width: none; }
.plan-badge { position: absolute; top: -12px; left: 18px; font: 700 11.5px var(--font-display); letter-spacing: .06em; text-transform: uppercase; background: var(--accent); color: var(--surface); padding: 4px 10px; border-radius: 999px; }
.plan-name { font: 700 15px var(--font-display); color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.plan-price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-family: var(--font-display); }
.plan-price .amount { font-size: 44px; font-weight: 700; letter-spacing: -.02em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price .per { color: var(--muted); font-size: 15px; }
.plan-price .was { color: var(--muted); font-size: 22px; text-decoration-thickness: 2px; }
.plan-detail { color: var(--muted); font-size: 15px; flex: 1; }
.plan .btn { text-align: center; margin-top: 6px; }
.plan .btn[disabled] { opacity: .6; cursor: progress; }
.plan-fine { color: var(--muted); font-size: 14px; margin-top: 12px; }
.checkout-note { margin: 28px 0 0; padding: 14px 18px; border-radius: 10px; border: 1px solid var(--rule); background: var(--numbers-bg); font-family: var(--font-display); }
.checkout-note.warn { background: var(--interviewer-bg); }

.land-toc h2 { font: 700 28px var(--font-display); letter-spacing: -.01em; margin: 48px 0 6px; }
.land-note { color: var(--muted); margin: 0 0 18px; }
.land-parts { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.land-part { border: 1px solid var(--rule); border-radius: 10px; background: var(--surface); padding: 14px 16px; min-width: 0; }
.land-part h3 { border: 0; padding: 0; margin: 0 0 8px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.land-part ol { list-style: none; margin: 0; padding: 0; }
.land-part li { display: flex; align-items: baseline; gap: 8px; margin: 0; padding: 4px 0; border-top: 1px solid var(--rule); font: 14.5px/1.35 var(--font-display); max-width: none; }
.land-part li:first-child { border-top: 0; }
.land-part li a { color: var(--ink); text-decoration: none; flex: 1; min-width: 0; }
.land-part li a:hover { color: var(--accent); }
.land-part li.done a { color: var(--muted); text-decoration: line-through; }
.badge { font: 600 10.5px var(--font-mono); border: 1px solid var(--rule); border-radius: 4px; padding: 1px 5px; color: var(--muted); white-space: nowrap; }
.badge.free { color: var(--numbers); border-color: var(--numbers); }
.land-foot { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }

.callback { max-width: 560px; margin: 0 auto; padding-block: 80px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.callback h1 { font: 700 32px var(--font-display); margin: 0 0 8px; }