/* Kanji JFT N3 — v48: visual language aligned with the main app + Yomikata */
.n3-view{position:fixed;inset:0;width:100%;height:100dvh;min-height:100vh;overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;background:var(--bg);color:var(--ink);z-index:9999;padding:0 14px calc(28px + env(safe-area-inset-bottom));}
.n3-view[hidden]{display:none!important}.n3-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(800px 300px at 5% 0%,var(--primary-soft),transparent 60%),radial-gradient(700px 300px at 100% 0%,var(--blue-soft),transparent 55%);opacity:.95}.n3-wrap{max-width:1000px;margin:auto;position:relative;padding-bottom:24px}.n3-top{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 0 12px;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.n3-icon{width:44px;height:44px;border-radius:15px;border:1px solid var(--border);background:var(--card);color:var(--ink);font-size:23px;box-shadow:var(--shadow-sm)}.n3-kicker{font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:800}.n3-top h1{margin:2px 0;font-size:22px;font-weight:900}.n3-top h1 span{color:var(--primary)}.n3-stat{margin-left:auto;font-size:12px;font-weight:800;color:var(--muted);white-space:nowrap}.n3-tabs{position:sticky;top:69px;z-index:9;display:flex;gap:8px;overflow:auto;padding:10px 0;margin-bottom:16px;scrollbar-width:none}.n3-tabs::-webkit-scrollbar{display:none}.n3-tabs button{white-space:nowrap;border:1px solid var(--border);background:var(--card);color:var(--ink-soft);border-radius:var(--radius-pill);padding:10px 14px;font-weight:800;box-shadow:var(--shadow-sm)}.n3-tabs button:hover{border-color:var(--primary);color:var(--primary)}
.n3-homehero{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center;padding:26px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--card),var(--primary-soft));border:1px solid var(--border);box-shadow:var(--shadow-lg)}.n3-homeicon{width:112px;height:112px;border-radius:30px;display:grid;place-items:center;font-family:var(--font-jp);font-size:58px;font-weight:900;color:#fff;background:linear-gradient(145deg,var(--primary),var(--primary-2));box-shadow:var(--shadow-primary);transform:rotate(-4deg)}.n3-homecopy h2{font-size:clamp(26px,5vw,42px);line-height:1.08;margin:10px 0}.n3-homecopy p{color:var(--ink-soft);font-size:14px;margin-bottom:16px}.n3-pill{display:inline-flex;align-items:center;font-size:10px;letter-spacing:.12em;padding:6px 10px;border-radius:var(--radius-pill);background:var(--primary-soft);color:var(--primary);border:1px solid color-mix(in srgb,var(--primary) 22%,var(--border));font-weight:900}.n3-actions{display:flex;gap:8px;flex-wrap:wrap}.n3-primary,.n3-secondary{border:0;border-radius:var(--radius-pill);padding:12px 18px;font-weight:900;cursor:pointer;transition:.2s}.n3-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:var(--shadow-primary)}.n3-secondary{background:var(--card);color:var(--ink-soft);border:1px solid var(--border)}.n3-primary:hover,.n3-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.n3-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0}.n3-metrics div{padding:16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow-sm)}.n3-metrics b{display:block;font-size:24px}.n3-metrics span{font-size:11px;color:var(--muted);font-weight:700}.n3-section{margin-top:22px}.n3-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.n3-section-head h3{font-size:18px}.n3-section-head button{background:none;border:0;color:var(--primary);font-weight:800}.n3-daygrid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.n3-day{padding:15px;text-align:left;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);color:var(--ink);box-shadow:var(--shadow-sm);transition:.2s}.n3-day:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.n3-day strong,.n3-day span,.n3-day small{display:block}.n3-day span,.n3-day small{font-size:11px;color:var(--muted);margin-top:4px}.n3-day i{display:block;height:5px;background:var(--track);border-radius:99px;margin:12px 0 7px;overflow:hidden}.n3-day i em{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:inherit}.n3-modehead,.n3-quizhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.n3-modehead h2{margin:5px 0;font-size:20px}.n3-modehead select{background:var(--card);color:var(--ink);border:1px solid var(--border);border-radius:var(--radius-pill);padding:9px 12px;font-weight:700}
/* N3 Flashcard: same visual pattern as the main Kanji JFT flashcard */
.n3-flash-scene{perspective:1400px;max-width:560px;margin:8px auto 0}.n3-flash-card{position:relative;height:360px;cursor:pointer;transform-style:preserve-3d;transition:transform .65s cubic-bezier(.3,.85,.35,1)}.n3-flash-card.flipped{transform:rotateY(180deg)}.n3-flash-inner{position:absolute;inset:0;transform-style:preserve-3d}.n3-flash-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 20px;text-align:center;gap:6px}.n3-flash-back{transform:rotateY(180deg);background:linear-gradient(180deg,var(--card),var(--primary-soft))}.n3-flash-tag{position:absolute;top:16px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);background:var(--bg-soft);border:1px solid var(--border);padding:4px 14px;border-radius:var(--radius-pill)}.n3-flash-kanji{font-family:var(--font-jp);font-size:clamp(70px,12vw,112px);font-weight:900;line-height:1.1;color:var(--ink);text-shadow:0 8px 28px var(--primary-soft)}.n3-flash-front p{margin-top:18px;font-size:12.5px;font-weight:700;color:var(--muted)}.n3-flash-read{font-family:var(--font-jp);font-size:32px;font-weight:900;color:var(--ink)}.n3-flash-mean{font-size:22px;font-weight:900;color:var(--ink);margin-top:8px}.n3-speak{border:1px solid var(--border);background:var(--card);color:var(--ink-soft);border-radius:var(--radius-pill);padding:10px 16px;font-weight:800;margin-top:16px}.n3-flash-nav{max-width:560px;margin:18px auto 0;display:flex;align-items:center;justify-content:space-between;gap:10px}.n3-navbtn{width:52px;height:52px;flex:none;border-radius:18px;border:1px solid var(--border);background:var(--card);color:var(--ink);font-size:28px;font-weight:800;box-shadow:var(--shadow-sm)}.n3-center-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.n3-flash-progress{max-width:560px;margin:14px auto 0;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;font-weight:800}.n3-flash-progress>i{flex:1;height:6px;background:var(--track);border-radius:99px;overflow:hidden}.n3-flash-progress em{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:inherit}.n3-srs-label{text-align:center;color:var(--muted);font-size:11px;font-weight:700;margin-top:16px}.n3-srs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:8px auto}.n3-srs button{border:1px solid var(--border);background:var(--card);color:var(--ink);padding:9px 13px;border-radius:var(--radius-pill);font-weight:800;box-shadow:var(--shadow-sm)}
/* N3 Quiz: same card/options language as main Kanji JFT */
.n3-quiz-type{display:flex;gap:8px;max-width:560px;margin:0 auto 10px}.n3-quiz-type button{flex:1;border:1px solid var(--border);background:var(--card);color:var(--ink-soft);border-radius:var(--radius);padding:10px;font-weight:900;box-shadow:var(--shadow-sm)}.n3-quiz-type button.active{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}.n3-quiz-type small{display:block;font-size:10px;color:var(--muted);font-weight:700}.n3-quiz-box{max-width:560px;margin:8px auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:26px 22px 30px;text-align:center}.n3-quiz-top{display:flex;align-items:center;gap:12px}.n3-quiz-top>b{color:var(--gold);background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 50%,var(--border));padding:5px 10px;border-radius:var(--radius-pill);font-size:11px}.n3-quiz-progress{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;font-weight:800;flex:1}.n3-quiz-progress>i{flex:1;height:6px;background:var(--track);border-radius:99px;overflow:hidden}.n3-quiz-progress em{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:inherit}.n3-quiz-day{display:inline-block;margin-top:18px;font-size:11px;font-weight:900;letter-spacing:.5px;color:var(--primary);background:var(--primary-soft);border-radius:var(--radius-pill);padding:4px 13px}.n3-quiz-q{font-family:var(--font-jp);font-size:clamp(64px,13vw,88px);font-weight:900;line-height:1.2;color:var(--ink);text-shadow:0 8px 26px var(--primary-soft);margin-top:14px}.n3-quiz-prompt{color:var(--muted);font-size:13.5px;font-weight:700;margin:6px 0 20px}.n3-options{display:grid;gap:10px}.n3-qopt{display:flex;align-items:center;gap:12px;text-align:left;border:2px solid var(--border);background:var(--card);border-radius:var(--radius);padding:13px 16px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;transition:.2s}.n3-qopt>span{flex:none;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--bg-soft);color:var(--muted);font-size:13px;font-weight:900}.n3-qopt:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}.n3-qopt.ok{border-color:var(--green);background:var(--green-soft);color:var(--green-ink)}.n3-qopt.ok>span{background:var(--green);color:#fff}.n3-qopt.bad{border-color:var(--red-ink);background:var(--red-soft);color:var(--red-ink)}.n3-qopt.bad>span{background:var(--red-ink);color:#fff}.n3-hint{text-align:center;color:var(--muted);font-size:11px;margin-top:14px}.n3-result{text-align:center;max-width:560px;margin:auto;padding:42px 20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.n3-result-icon{font-size:54px}.n3-result strong{display:block;font-size:48px;margin:10px}.n3-result p{color:var(--muted);margin-bottom:16px}
.n3-searchbox{position:relative}.n3-searchbox input{width:100%;box-sizing:border-box;padding:16px 45px 16px 16px;border-radius:17px;border:1px solid var(--border);background:var(--card);color:var(--ink);font-size:16px;outline:none}.n3-searchbox input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.n3-searchbox span{position:absolute;right:16px;top:14px;color:var(--muted)}.n3-filter{display:flex;justify-content:space-between;align-items:center;margin:12px 0;color:var(--muted);font-size:12px;font-weight:700}.n3-filter select{background:var(--card);color:var(--ink);border:1px solid var(--border);border-radius:var(--radius-pill);padding:9px 12px;font-weight:700}.n3-list{display:grid;gap:8px}.n3-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px;border:1px solid var(--border);border-radius:17px;background:var(--card);box-shadow:var(--shadow-sm)}.n3-row strong,.n3-row small,.n3-row em{display:block}.n3-row strong{font-size:19px}.n3-row small{color:var(--ink-soft);margin-top:3px}.n3-row em{font-size:10px;color:var(--muted);margin-top:5px;font-style:normal}.n3-row button{border:1px solid var(--border);background:var(--bg-soft);color:var(--ink-soft);border-radius:11px;padding:9px 12px}.n3-reviewhero{padding:30px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--primary-soft),var(--blue-soft));border:1px solid var(--border);margin-bottom:14px}.n3-reviewhero h2{font-size:30px;margin:10px 0}.n3-reviewhero strong{display:block;font-size:52px;margin-top:18px}.n3-reviewhero>span:last-child{color:var(--muted)}.n3-empty{padding:50px;text-align:center;color:var(--muted);border:1px dashed var(--border-strong);border-radius:22px;background:var(--card)}
body.n3-open{overflow:hidden!important}body.n3-open .bottom-nav,body.n3-open .site-header{visibility:hidden!important;pointer-events:none!important}
@media(max-width:760px){.n3-view{padding-left:12px;padding-right:12px}.n3-top{padding-bottom:10px}.n3-top h1{font-size:18px}.n3-stat{font-size:10px}.n3-tabs{top:64px}.n3-homehero{grid-template-columns:1fr;padding:20px}.n3-homeicon{width:88px;height:88px;font-size:46px;border-radius:25px}.n3-homecopy h2{font-size:29px}.n3-metrics{grid-template-columns:1fr 1fr}.n3-daygrid{grid-template-columns:1fr 1fr}.n3-flash-card{height:330px}.n3-flash-nav{gap:6px}.n3-center-actions{flex:1}.n3-center-actions .n3-primary,.n3-center-actions .n3-secondary{padding:10px 13px}.n3-quiz-type{margin-left:0;margin-right:0}.n3-quiz-box{padding:22px 16px 26px}.n3-qopt{padding:12px 13px}.n3-quiz-q{font-size:64px}}
@media(max-width:400px){.n3-flash-card{height:310px}.n3-flash-kanji{font-size:78px}.n3-flash-read{font-size:25px}.n3-flash-mean{font-size:19px}.n3-center-actions{flex-direction:column}.n3-navbtn{width:46px;height:46px}}
@media(prefers-reduced-motion:reduce){.n3-view *{animation:none!important;transition:none!important}}
/* v48 — Yomikata */
.n3-flash-yomi-label{font-size:10px;letter-spacing:.16em;font-weight:900;color:var(--primary);margin-bottom:2px}.n3-flash-read{font-family:var(--font-jp);font-size:34px;font-weight:900;color:var(--ink);letter-spacing:.02em;line-height:1.25}.n3-flash-read.katakana{font-size:30px}.n3-row-yomi{font-family:var(--font-jp);font-size:15px!important;color:var(--primary)!important;font-weight:800}.n3-option-yomi{font-family:var(--font-jp);font-size:20px}.n3-quiz-type button{cursor:pointer}.n3-quiz-type button:disabled{opacity:.55;cursor:not-allowed}
@media(max-width:400px){.n3-flash-read{font-size:27px}.n3-flash-read.katakana{font-size:24px}.n3-option-yomi{font-size:18px}}

/* Bunpou N3 */
.n3-bunpou-hero{padding:22px;border:1px solid var(--border);border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--card),var(--primary-soft));box-shadow:var(--shadow);margin-bottom:14px}
.n3-bunpou-hero h2{margin:8px 0 6px;font-size:25px}.n3-bunpou-hero p{color:var(--ink-soft);font-size:13px;margin:0 0 15px}.n3-bunpou-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.n3-bunpou-actions a{text-decoration:none;display:inline-flex}.n3-bunpou-count{font-size:12px;font-weight:800;color:var(--muted)}
.n3-bunpou-search{margin:12px 0}.n3-bunpou-list{display:grid;gap:8px}.n3-bunpou-row{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:14px 15px;border:1px solid var(--border);border-radius:16px;background:var(--card);box-shadow:var(--shadow-sm)}.n3-bunpou-no{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-weight:900;font-size:12px}.n3-bunpou-main strong{display:block;font-family:var(--font-jp);font-size:17px;line-height:1.35;color:var(--ink)}.n3-bunpou-main span{display:block;margin-top:5px;color:var(--ink-soft);font-size:13px;line-height:1.5}
@media(max-width:640px){.n3-bunpou-hero{padding:18px}.n3-bunpou-main strong{font-size:16px}}
/* Bunpou N3 detail modal */
.n3-bunpou-row{cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.n3-bunpou-row:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.n3-bunpou-row:focus{outline:3px solid var(--primary-soft);outline-offset:2px}.n3-bunpou-main small{display:block;margin-top:8px;color:var(--primary);font-size:11px;font-weight:800}.n3-bunpou-modal[hidden]{display:none}.n3-bunpou-modal{position:fixed;inset:0;z-index:9999}.n3-bunpou-overlay{position:absolute;inset:0;background:rgba(15,23,42,.48);backdrop-filter:blur(3px)}.n3-bunpou-sheet{position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:min(680px,100%);max-height:min(88vh,760px);overflow:auto;background:var(--card);border-radius:26px 26px 0 0;padding:24px 20px 30px;box-shadow:0 -12px 40px rgba(0,0,0,.2)}.n3-bunpou-close{position:absolute;right:14px;top:12px;width:38px;height:38px;border:0;border-radius:50%;background:var(--primary-soft);color:var(--ink);font-size:28px;line-height:1;cursor:pointer}.n3-bunpou-sheet h2{margin:14px 45px 8px 0;font-family:var(--font-jp);font-size:25px;line-height:1.35}.n3-bunpou-meaning{font-size:15px;color:var(--ink-soft);line-height:1.55;margin-bottom:20px}.n3-example-label{font-size:12px;font-weight:900;color:var(--primary);margin-bottom:8px}.n3-example-jp{font-family:var(--font-jp);font-size:22px;line-height:1.7;padding:16px;border-radius:18px;background:var(--primary-soft);color:var(--ink);word-break:break-word}.n3-example-reading{font-family:var(--font-jp);font-size:16px;line-height:1.7;margin-top:10px;color:var(--ink-soft);word-break:break-word}.n3-example-translation{margin-top:8px;font-size:15px;line-height:1.6;color:var(--ink)}.n3-bunpou-note{margin-top:14px;padding:13px 14px;border-left:4px solid var(--primary);border-radius:12px;background:var(--bg);font-size:13px;line-height:1.6;color:var(--ink-soft)}.n3-bunpou-speak{margin-top:14px}.n3-pdf-link{display:inline-block;margin-top:16px;color:var(--primary);font-size:13px;font-weight:800;text-decoration:none}@media(max-width:640px){.n3-bunpou-sheet{padding:22px 16px 26px}.n3-example-jp{font-size:19px}.n3-bunpou-sheet h2{font-size:22px}}

/* JLPT level switcher */
.n3-levelbar{display:flex;gap:8px;flex-wrap:wrap;padding:12px 0 4px;margin:0 0 4px}.n3-level-btn{border:1px solid var(--border,#ddd);background:var(--card,#fff);color:inherit;border-radius:999px;padding:8px 15px;font-weight:800;cursor:pointer}.n3-level-btn.active{background:var(--primary,#6c5ce7);color:#fff;border-color:transparent}.n3-level-btn:active{transform:scale(.98)}
.n3-example{margin:14px 0 4px;padding:12px;border:1px solid rgba(108,75,220,.14);border-radius:14px;background:rgba(108,75,220,.05);text-align:left}.n3-example small{display:block;color:#777;margin-top:4px}.n3-example>div{font-size:16px;font-weight:600;line-height:1.5}