.nh-page{min-height:100vh;background:var(--paper);padding:20px var(--gutter) 64px}.nh-wrap{max-width:760px;margin:0 auto}.nh-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.nh-alt,.nh-back{display:inline-flex;align-items:center;gap:6px;font-size:var(--step--1);color:var(--ink-soft);text-decoration:none}.nh-alt:hover,.nh-back:hover{color:var(--brand)}.nh-head{margin-bottom:22px}.nh-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:var(--step--1);font-weight:700;color:var(--brand);background:var(--brand-soft);padding:5px 11px;border-radius:999px}.nh-head h1{font-size:var(--step-3);margin:12px 0 8px;color:var(--ink)}.nh-lead{color:var(--ink-soft);line-height:1.6;max-width:58ch}.nh-grid{list-style:none;padding:0;margin:0;display:grid;grid-gap:12px;gap:12px}.nh-card{border-radius:var(--radius)}.nh-card-btn{width:100%;display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;text-align:left;transition:transform .12s,box-shadow .12s,border-color .12s}.nh-card-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:var(--brand)}.nh-card.lock .nh-card-btn{opacity:.82}.nh-card-ic{flex:none;width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--brand-soft);color:var(--brand)}.nh-card.lock .nh-card-ic{background:var(--surface-2);color:var(--ink-faint)}.nh-card-main{flex:1 1;min-width:0}.nh-card-main b{display:block;color:var(--ink);font-size:var(--step-1)}.nh-card-sub{font-size:var(--step--1);color:var(--ink-faint)}.nh-card-cta{flex:none;display:inline-flex;gap:5px;font-weight:700;color:var(--brand)}.nh-card-cta,.nh-note{align-items:center;font-size:var(--step--1)}.nh-note{margin-top:22px;color:var(--ink-faint);display:flex;gap:6px;line-height:1.5}.ln-overlay{position:fixed;inset:0;z-index:60;background:var(--paper);display:flex;flex-direction:column;overflow:hidden}.ln-body,.ln-footer,.ln-panel,.ln-top{max-width:100%;box-sizing:border-box}.ln-panel{flex:1 1;display:flex;flex-direction:column;width:100%;min-height:0}.ln-top{display:flex;align-items:center;gap:12px;padding:14px var(--gutter);border-bottom:1px solid var(--line)}.ln-x{flex:none;width:34px;height:34px;display:grid;place-items:center;border:none;color:var(--ink-soft);border-radius:10px;cursor:pointer}.ln-prog,.ln-x{background:var(--surface-2)}.ln-prog{flex:1 1;height:8px;border-radius:999px;overflow:hidden}.ln-prog i{display:block;height:100%;background:var(--brand);border-radius:999px;transition:width .3s}.ln-stagechip{flex:none;display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:4px 9px;border-radius:999px}.ln-body{flex:1 1;min-height:0;overflow-y:auto;padding:18px var(--gutter) 28px}.ln-body,.ln-stage{display:flex;flex-direction:column}.ln-stage{margin:auto;width:100%;max-width:460px;align-items:center}.ln-stage.ln-center{text-align:center;gap:6px}.ln-count{font-size:var(--step--1);color:var(--ink-faint);font-weight:600;margin-bottom:14px}.ln-audio{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:22px}.ln-bigplay{width:96px;height:96px;border-radius:50%;border:none;background:linear-gradient(160deg,var(--brand),var(--brand-ink));color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 26px -8px color-mix(in srgb,var(--brand) 60%,transparent);transition:transform .12s}.ln-bigplay:hover{transform:scale(1.04)}.ln-bigplay:active{transform:scale(.97)}.ln-bigplay.sm{width:70px;height:70px}.ln-ctrls,.ln-passctrl{display:flex;gap:10px;align-items:center}.ln-passctrl{justify-content:center;margin:10px 0 16px}.ln-ctrl{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-soft);border-radius:999px;font-size:var(--step--1);font-weight:600;cursor:pointer}.ln-ctrl.on{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}.ln-q{font-size:var(--step-1);font-weight:700;color:var(--ink);text-align:center;margin-bottom:16px;line-height:1.4}.ln-q.center{margin-bottom:4px}.ln-q .ln-hz.sm{display:block;margin-top:8px;font-size:var(--step-2)}.ln-opts{display:grid;grid-gap:10px}.ln-opt,.ln-opts{width:100%;gap:10px}.ln-opt{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border:1.5px solid var(--line-strong);background:var(--surface);color:var(--ink);border-radius:14px;font-size:var(--step-0);font-weight:600;cursor:pointer;text-align:left;transition:border-color .12s,background .12s,transform .08s}.ln-opt:hover:not(:disabled){border-color:var(--brand);transform:translateY(-1px)}.ln-opt.hz{font-size:var(--step-1);justify-content:center}.ln-opt.correct{border-color:var(--good);background:var(--good-soft);color:var(--good)}.ln-opt.wrong{border-color:var(--gap);background:var(--gap-soft);color:var(--gap)}.ln-opt.dim{opacity:.5}.ln-reveal{margin-top:18px;width:100%;display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px;border-radius:14px;background:var(--surface-2)}.ln-reveal.ok{background:var(--good-soft)}.ln-reveal.no{background:var(--gap-soft)}.ln-hz{font-size:var(--step-3);color:var(--ink);line-height:1.2}.ln-py{color:var(--ink-soft);font-size:var(--step-0)}.ln-okmsg{color:var(--good);font-weight:700}.ln-nomsg{color:var(--gap);font-weight:600;text-align:center}.ln-go,.ln-next{margin-top:18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border:none;border-radius:999px;background:var(--brand);color:#fff;font-size:var(--step-0);font-weight:700;cursor:pointer;transition:filter .12s,transform .08s}.ln-go:hover:not(:disabled),.ln-next:hover{filter:brightness(1.07)}.ln-go:disabled{background:var(--line-strong);color:var(--ink-faint);cursor:default}.ln-next{margin-top:10px;padding:10px 22px}.ln-reset{margin-top:10px;display:inline-flex;align-items:center;gap:5px;background:none;border:none;color:var(--ink-faint);font-size:var(--step--1);cursor:pointer}.ln-cheer{width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:var(--brand-soft);color:var(--brand);margin-bottom:6px}.ln-cheer.big{font-size:44px;background:none}.ln-center h2{font-size:var(--step-2);color:var(--ink)}.ln-sub{color:var(--ink-soft);line-height:1.6;max-width:40ch}.ln-script{list-style:none;padding:0;margin:0 0 18px;width:100%;gap:8px}.ln-pline,.ln-script{display:flex;flex-direction:column}.ln-pline{gap:2px;padding:10px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);max-width:88%;transition:background .2s,border-color .2s}.ln-pline.female{align-self:flex-end;border-color:var(--accent-soft)}.ln-pline.male{align-self:flex-start}.ln-pline.on{border-color:var(--brand);background:var(--brand-soft)}.ln-pspk{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-faint)}.ln-pline.female .ln-pspk{color:var(--accent-ink)}.ln-pline.male .ln-pspk{color:var(--brand)}.ln-ptext b{color:var(--ink);font-size:var(--step-1);font-weight:600}.ln-ptext i{display:block;color:var(--ink-soft);font-style:normal;font-size:var(--step--1)}.ln-dots{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:14px 0 2px;max-width:320px}.ln-dot{width:12px;height:12px;border-radius:50%;background:var(--line-strong);transition:transform .15s,background .15s,box-shadow .15s}.ln-dot.male.done{background:var(--brand)}.ln-dot.female.done{background:var(--accent)}.ln-dot.on{transform:scale(1.55)}.ln-dot.male.on{background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}.ln-dot.female.on{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.ln-passhint{color:var(--ink-soft);font-size:var(--step--1);text-align:center;margin-top:10px;min-height:1.2em}.ln-slots{width:100%;display:grid;grid-gap:8px;gap:8px;margin-bottom:14px}.ln-slot{display:flex;align-items:center;gap:12px;min-height:52px;padding:8px 14px;border:1.5px dashed var(--line-strong);border-radius:12px;background:var(--surface)}.ln-slot b{color:var(--ink);font-size:var(--step-1)}.ln-slot i{color:var(--ink-faint)}.ln-slotn{flex:none;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:.78rem;font-weight:700}.ln-pool{width:100%;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.ln-chip{padding:11px 16px;border:1.5px solid var(--line-strong);background:var(--surface);color:var(--ink);border-radius:12px;font-size:var(--step-1);font-weight:600;cursor:pointer}.ln-chip:hover{border-color:var(--brand)}.ln-footer{flex:none;display:flex;flex-direction:column;gap:4px;padding:14px var(--gutter) calc(14px + env(safe-area-inset-bottom, 0px));background:var(--surface);border-top:1px solid var(--line);animation:ln-rise .18s ease-out}@keyframes ln-rise{0%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}.ln-footer.ok{background:var(--good-soft);border-top-color:color-mix(in srgb,var(--good) 45%,transparent)}.ln-footer.no{background:var(--gap-soft);border-top-color:color-mix(in srgb,var(--gap) 45%,transparent)}.ln-fb-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.ln-fb-badge{display:inline-flex;align-items:center;gap:6px;font-size:var(--step-0);font-weight:700}.ln-footer.ok .ln-fb-badge{color:var(--good)}.ln-footer.no .ln-fb-badge{color:var(--gap)}.ln-fb-replay{flex:none;width:40px;height:40px;border-radius:50%;border:none;display:grid;place-items:center;background:var(--surface);color:var(--brand);cursor:pointer;box-shadow:var(--shadow)}.ln-fb-hz{font-size:var(--step-2);color:var(--ink);line-height:1.3}.ln-fb-py{color:var(--ink-soft)}.ln-fb-py,.ln-fb-vi{font-size:var(--step-0)}.ln-fb-vi{color:var(--ink);font-weight:600}.ln-continue{margin-top:10px;width:100%;padding:14px;border:none;border-radius:14px;background:var(--brand);color:#fff;font-size:var(--step-0);font-weight:700;cursor:pointer;transition:filter .12s}.ln-continue:hover{filter:brightness(1.07)}.ln-footer.ok .ln-continue{background:var(--good)}.ln-footer.no .ln-continue{background:var(--gap)}.ln-skip{margin-top:10px;background:none;border:none;color:var(--ink-soft);font-size:var(--step--1);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.ln-skip:hover{color:var(--ink)}.ln-footer{max-height:82vh;overflow-y:auto}.ln-gram-toggle{margin-top:10px;display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:7px 12px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-soft);border-radius:999px;font-size:var(--step--1);font-weight:600;cursor:pointer}.ln-gram-toggle:hover{color:var(--ink);border-color:var(--brand)}.ln-gram-caret{transition:transform .15s}.ln-gram-toggle.open .ln-gram-caret{transform:rotate(180deg)}.ln-gram{margin-top:10px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.gr-legend{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.gr-key{font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:999px;color:#fff;background:var(--rc,var(--ink-soft))}.gr-flow{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-start}.gr-seg{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 8px 7px;border-radius:10px;border:1px solid color-mix(in srgb,var(--rc,var(--ink-faint)) 35%,transparent);background:color-mix(in srgb,var(--rc,var(--ink-faint)) 8%,var(--surface));min-width:42px}.gr-zh{font-size:var(--step-1);font-weight:700;color:var(--rc,var(--ink));line-height:1.2}.gr-py{font-size:.72rem;color:var(--ink-soft)}.gr-pos{font-size:.64rem;color:var(--ink-faint);text-transform:lowercase}.gr-vi{font-size:.72rem;color:var(--ink);text-align:center}.gr-S{--rc:#2f6fe0}.gr-V{--rc:#d64550}.gr-O{--rc:#c2881a}.gr-Tr{--rc:#2e9e68}.gr-Lk{--rc:#8a5cd0}.gr-C{--rc:#e07b2e}.gr-x{--rc:var(--ink-soft)}@media (min-width:700px){.ln-overlay{background:rgba(15,18,24,.5);align-items:center;justify-content:center;padding:24px}.ln-panel{width:560px;flex:none;height:auto;min-height:min(560px,88vh);max-height:88vh;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-lift);overflow:hidden}}.nh-dodang{font-style:normal;font-weight:800;color:var(--warn)}