*{margin:0;padding:0;box-sizing:border-box}
:root{
  --paper:#F5F4EF;
  --card:#FFFFFF;
  --ink:#15151D;
  --ink-soft:#4A4A57;
  --ink-mute:#8B8B96;
  --hairline:#E3E2DB;
  --board:#12121B;
  --board-amber:#FFB000;
  --line-v:#E60012;
  --line-s:#00A650;
  --line-g:#F68B1E;
  --line-l:#0097D8;
  --line-r:#8F5FBF;
  --line-kana:#00ADA9;
  --line-kanji:#9C5E31;
  --done:#00A650;
  --r-sm:6px;
  --r-md:10px;
  --shadow:0 2px 0 rgba(21,21,29,.08);
  --shadow-lift:0 6px 0 rgba(21,21,29,.08);
}
html{scroll-behavior:smooth}
body{
  font-family:'Zen Kaku Gothic New',sans-serif;
  background:var(--paper);
  color:var(--ink);
  min-height:100vh;
  display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
/* subtle tactile paper grain */
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--hairline) 1px,transparent 1px),linear-gradient(90deg,var(--hairline) 1px,transparent 1px);
  background-size:56px 56px;opacity:.35}
.mono{font-family:'IBM Plex Mono',monospace}

button{font-family:inherit}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px}

@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:.25}}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@keyframes stampIn{0%{transform:scale(2.4) rotate(-18deg);opacity:0}55%{transform:scale(.94) rotate(-8deg);opacity:1}100%{transform:scale(1) rotate(-8deg);opacity:1}}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 0 rgba(255,176,0,.55)}70%{box-shadow:0 0 0 9px rgba(255,176,0,0)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
.enter{animation:slideUp .4s cubic-bezier(.2,.9,.3,1) both}
.hide{display:none!important}

/* ============ LOADER ============ */
#globalLoader{position:fixed;inset:0;z-index:999;background:var(--board);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}
#globalLoader .led{font-family:'IBM Plex Mono',monospace;color:var(--board-amber);font-weight:700;letter-spacing:.3em;font-size:.85rem;animation:blink 1s steps(1) infinite}

/* ============ HEADER (station sign band) ============ */
header{position:sticky;top:0;z-index:60;background:var(--board);color:#fff;border-bottom:4px solid var(--board-amber)}
.header-inner{max-width:720px;margin:0 auto;padding:.75rem 1.1rem;display:flex;justify-content:space-between;align-items:center;gap:.8rem}
.brand{display:flex;align-items:center;gap:.7rem;cursor:pointer;background:none;border:none;color:#fff;text-align:left;padding:0}
.brand-mark{width:38px;height:38px;border-radius:50%;border:3px solid #fff;background:var(--line-v);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.05rem;color:#fff;flex-shrink:0}
.brand-text .romaji{font-weight:900;font-size:1rem;letter-spacing:.01em;line-height:1.15;display:block}
.brand-text .kanji{font-size:.62rem;color:var(--board-amber);letter-spacing:.35em;display:block;margin-top:1px;font-weight:700}
.hdr-right{display:flex;align-items:center;gap:.5rem}
.user-chip{display:flex;align-items:center;gap:.55rem;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:var(--r-sm);padding:.35rem .7rem;color:#fff;cursor:pointer;transition:border-color .15s}
.user-chip:hover{border-color:var(--board-amber)}
.user-chip .u-name{font-weight:700;font-size:.8rem;line-height:1.15;display:block}
.user-chip .u-level{font-family:'IBM Plex Mono',monospace;font-size:.6rem;color:var(--board-amber);display:block}
.reset-app{width:32px;height:32px;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:var(--r-sm);color:rgba(255,255,255,.7);cursor:pointer;font-size:.8rem;transition:all .15s}
.reset-app:hover{border-color:#FF5A5A;color:#FF5A5A}

/* ============ MAIN ============ */
main{flex:1;width:100%;max-width:720px;margin:0 auto;padding:1.4rem 1.1rem 4rem;position:relative;z-index:1}

/* ============ TICKET / ONBOARDING ============ */
.ticket{background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);box-shadow:var(--shadow-lift);overflow:hidden;max-width:520px;margin:1.5rem auto}
.ticket-head{background:var(--ink);color:#fff;padding:.85rem 1.2rem;display:flex;justify-content:space-between;align-items:center}
.ticket-head .t-title{font-weight:900;font-size:.95rem;letter-spacing:.05em}
.ticket-head .t-code{font-family:'IBM Plex Mono',monospace;font-size:.65rem;color:var(--board-amber);letter-spacing:.15em}
.ticket-strip{height:8px;background:repeating-linear-gradient(90deg,var(--line-v) 0 40px,var(--line-g) 40px 80px,var(--line-s) 80px 120px,var(--line-l) 120px 160px,var(--line-r) 160px 200px)}
.ticket-body{padding:1.4rem 1.2rem 1.2rem}
.ticket-body>p{font-size:.82rem;color:var(--ink-soft);margin-bottom:1.2rem;line-height:1.6}
.perf{border-top:2px dashed var(--hairline);margin:1.1rem -1.2rem;position:relative}
.perf::before,.perf::after{content:'';position:absolute;top:-9px;width:18px;height:18px;border-radius:50%;background:var(--paper);border:2px solid var(--ink)}
.perf::before{left:-11px;border-left-color:transparent;border-top-color:transparent;transform:rotate(45deg)}
.perf::after{right:-11px;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(45deg)}
.f-label{display:block;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:.4rem}
.f-group{margin-bottom:1rem}
.f-input,.f-select{width:100%;padding:.75rem .85rem;border:2px solid var(--ink);border-radius:var(--r-sm);background:#fff;font-family:inherit;font-size:.92rem;font-weight:500;color:var(--ink);appearance:none;transition:box-shadow .15s}
.f-input:focus,.f-select:focus{box-shadow:4px 4px 0 var(--board-amber);outline:none}
.f-select-wrap{position:relative}
.f-select-wrap::after{content:'▾';position:absolute;right:.9rem;top:50%;transform:translateY(-50%);pointer-events:none;font-size:.8rem}
.f-grid{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:480px){.f-grid{grid-template-columns:1fr 1fr;gap:0 .9rem}}
.err-note{display:none;background:#FFF0F0;border:2px solid var(--line-v);border-radius:var(--r-sm);color:#B3000E;font-size:.78rem;font-weight:700;padding:.6rem .8rem;margin-bottom:1rem}
.btn-board{width:100%;padding:.95rem;background:var(--ink);color:#fff;border:2px solid var(--ink);border-radius:var(--r-sm);font-size:.92rem;font-weight:900;letter-spacing:.04em;cursor:pointer;box-shadow:4px 4px 0 var(--board-amber);transition:transform .12s,box-shadow .12s;display:flex;justify-content:center;align-items:center;gap:.5rem}
.btn-board:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--board-amber)}
.btn-board:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--board-amber)}

/* ============ MENU (departure hall) ============ */
.hall-head{margin-bottom:1.3rem}
.greet{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.12em;color:var(--ink-mute);display:block;margin-bottom:.35rem}
.hall-head h2{font-size:1.7rem;font-weight:900;line-height:1.2;letter-spacing:-.01em}
.hall-head h2 .jp{color:var(--ink-mute);font-size:.85rem;font-weight:700;display:block;margin-top:.15rem;letter-spacing:.28em}

.streak-sign{display:none;align-items:center;gap:.8rem;background:var(--board);color:#fff;border-radius:var(--r-md);padding:.75rem 1rem;margin-bottom:1.3rem;border-left:8px solid var(--board-amber)}
.streak-sign .days{font-family:'IBM Plex Mono',monospace;font-size:1.5rem;font-weight:700;color:var(--board-amber);line-height:1}
.streak-sign .lbl{font-size:.72rem;line-height:1.4}
.streak-sign .lbl strong{display:block;font-size:.8rem}

.lines{display:flex;flex-direction:column;gap:.75rem}
.line-card{display:flex;align-items:center;gap:1rem;background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);padding:.9rem 1rem;cursor:pointer;text-align:left;box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s;position:relative;overflow:hidden}
.line-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--lc)}
.line-card:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(21,21,29,.14)}
.line-badge{width:46px;height:46px;border-radius:50%;border:4px solid var(--lc);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;margin-left:.35rem}
.line-badge .lt{font-weight:900;font-size:1.05rem;line-height:1;color:var(--ink)}
.line-info{flex:1;min-width:0}
.line-info h3{font-size:1rem;font-weight:900;line-height:1.2}
.line-info h3 .jp{font-size:.72rem;color:var(--ink-mute);font-weight:700;margin-left:.4rem}
.line-info p{font-size:.75rem;color:var(--ink-soft);margin-top:.15rem;line-height:1.45}
.line-meter{margin-top:.5rem;height:5px;background:var(--hairline);border-radius:99px;overflow:hidden}
.line-meter i{display:block;height:100%;background:var(--lc);border-radius:99px;transition:width .5s ease}
.line-stat{font-family:'IBM Plex Mono',monospace;font-size:.7rem;font-weight:700;color:var(--ink-soft);flex-shrink:0;text-align:right}
.line-stat .big{font-size:1.05rem;color:var(--ink);display:block;line-height:1}
.line-stat.full .big{color:var(--done)}
.line-card.tools-card::before{background:repeating-linear-gradient(180deg,var(--line-v) 0 10px,var(--line-g) 10px 20px,var(--line-l) 20px 30px,var(--line-r) 30px 40px)}
.chip-start{display:inline-block;background:var(--board-amber);color:var(--ink);font-family:'IBM Plex Mono',monospace;font-size:.6rem;font-weight:900;letter-spacing:.05em;padding:.15rem .5rem;border-radius:99px;margin-left:.4rem;vertical-align:middle}

/* ============ PLATFORM (topic view) ============ */
.plat-top{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-bottom:1rem}
.btn-back{display:inline-flex;align-items:center;gap:.4rem;background:var(--card);border:2px solid var(--ink);border-radius:var(--r-sm);padding:.5rem .85rem;font-size:.78rem;font-weight:700;cursor:pointer;box-shadow:var(--shadow);transition:transform .12s}
.btn-back:hover{transform:translateX(-2px)}
.btn-reset{background:none;border:none;font-family:'IBM Plex Mono',monospace;font-size:.68rem;color:var(--ink-mute);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.btn-reset:hover{color:var(--line-v)}

.plat-sign{background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-lift);margin-bottom:1.1rem}
.plat-sign-top{display:flex;align-items:center;gap:.9rem;padding:1rem 1.1rem}
.plat-badge{width:52px;height:52px;border-radius:50%;border:5px solid var(--lc);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.2rem;flex-shrink:0}
.plat-title h2{font-size:1.25rem;font-weight:900;line-height:1.15}
.plat-title p{font-family:'IBM Plex Mono',monospace;font-size:.65rem;color:var(--ink-mute);letter-spacing:.08em;margin-top:.2rem}
.plat-count{margin-left:auto;text-align:right}
.plat-count .n{font-family:'IBM Plex Mono',monospace;font-size:1.7rem;font-weight:700;line-height:1}
.plat-count .n span{font-size:.85rem;color:var(--ink-mute)}
.plat-sign-bar{height:10px;background:var(--hairline);position:relative}
.plat-sign-bar i{position:absolute;inset:0 auto 0 0;background:var(--lc);transition:width .5s ease}

/* departure board = active session */
.dep-board{display:none;background:var(--board);border-radius:var(--r-md);padding:.85rem 1rem;margin-bottom:1.1rem;color:var(--board-amber);border:2px solid var(--ink);box-shadow:var(--shadow-lift);animation:slideDown .35s both}
.dep-row{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}
.dep-dot{width:11px;height:11px;border-radius:50%;background:var(--board-amber);animation:pulseDot 1.6s infinite;flex-shrink:0}
.dep-txt{flex:1;min-width:180px;font-family:'IBM Plex Mono',monospace}
.dep-txt .l1{font-size:.62rem;letter-spacing:.2em;opacity:.75}
.dep-txt .l2{font-size:.86rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dep-actions{display:flex;gap:.5rem}
.dep-done{background:var(--board-amber);color:var(--board);border:none;border-radius:var(--r-sm);padding:.55rem .9rem;font-weight:900;font-size:.78rem;cursor:pointer;transition:transform .12s}
.dep-done:hover{transform:translateY(-2px)}
.dep-cancel{background:transparent;color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.25);border-radius:var(--r-sm);width:36px;cursor:pointer;transition:color .15s}
.dep-cancel:hover{color:#FF7A7A;border-color:#FF7A7A}

/* roleplay char input */
.chara-box{background:var(--card);border:2px dashed var(--ink);border-radius:var(--r-md);padding:1rem 1.1rem;margin-bottom:1.1rem}
.chara-box label{display:flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:900;margin-bottom:.6rem}
.chara-box small{display:block;margin-top:.5rem;font-size:.7rem;color:var(--ink-mute)}

/* ROUTE MAP */
.route{position:relative;padding-left:34px}
.route::before{content:'';position:absolute;left:12px;top:14px;bottom:14px;width:8px;background:var(--lc);border-radius:99px}
.station{position:relative;display:flex;align-items:center;gap:.9rem;background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);padding:.8rem 1rem;margin-bottom:.65rem;width:100%;text-align:left;cursor:pointer;box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s}
.station:hover{transform:translateX(4px)}
.station::before{content:'';position:absolute;left:-30px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--lc)}
.station.done{background:#F2FBF5;border-color:#BFE6CC}
.station.done::before{background:var(--done);border-color:var(--done)}
.station.done .st-name{color:var(--ink-soft);text-decoration:line-through;text-decoration-thickness:1.5px}
.station.now{border-width:2px;box-shadow:5px 5px 0 rgba(21,21,29,.14)}
.station.now::before{background:var(--board-amber);animation:pulseDot 1.6s infinite}
.st-code{font-family:'IBM Plex Mono',monospace;font-size:.68rem;font-weight:700;background:var(--ink);color:#fff;border-radius:4px;padding:.2rem .45rem;flex-shrink:0}
.station.done .st-code{background:var(--done)}
.st-name{font-size:.9rem;font-weight:700;flex:1;line-height:1.35}
.st-go{font-family:'IBM Plex Mono',monospace;font-size:.68rem;font-weight:700;color:var(--lc);flex-shrink:0}
.station.done .st-go{color:var(--done)}

/* big NEXT card (single view) */
.next-card{background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);box-shadow:var(--shadow-lift);overflow:hidden;margin-bottom:.9rem;cursor:pointer;width:100%;text-align:left;transition:transform .12s,box-shadow .12s}
.next-card:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(21,21,29,.12)}
.next-head{background:var(--lc);color:#fff;padding:.5rem 1.1rem;display:flex;justify-content:space-between;align-items:center}
.next-head span{font-family:'IBM Plex Mono',monospace;font-size:.65rem;font-weight:700;letter-spacing:.2em}
.next-body{padding:1.1rem;display:flex;align-items:center;gap:1rem}
.next-code{width:56px;height:56px;border-radius:50%;border:5px solid var(--lc);display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0}
.next-code b{font-family:'IBM Plex Mono',monospace;font-size:.62rem;line-height:1}
.next-code i{font-family:'IBM Plex Mono',monospace;font-style:normal;font-weight:700;font-size:1rem;line-height:1.1}
.next-body h3{font-size:1.15rem;font-weight:900;line-height:1.3;flex:1}
.next-cta{background:var(--ink);color:#fff;border-radius:var(--r-sm);padding:.6rem .9rem;font-weight:900;font-size:.78rem;flex-shrink:0;white-space:nowrap}

.row-toggle{display:flex;justify-content:center;margin:.4rem 0 1.2rem}
.btn-ghost{background:none;border:2px solid var(--ink);border-radius:99px;padding:.5rem 1.1rem;font-size:.75rem;font-weight:700;cursor:pointer;background:var(--card);box-shadow:var(--shadow);transition:transform .12s}
.btn-ghost:hover{transform:translateY(-2px)}

/* terminus (all done) */
.terminus{background:var(--board);color:#fff;border-radius:var(--r-md);padding:2rem 1.4rem;text-align:center;border:2px solid var(--ink);position:relative;overflow:hidden}
.terminus .big-jp{font-size:2.2rem;font-weight:900;color:var(--board-amber)}
.terminus h3{font-size:1.2rem;font-weight:900;margin:.4rem 0 .5rem}
.terminus p{font-size:.8rem;color:rgba(255,255,255,.75);line-height:1.6;max-width:400px;margin:0 auto 1.2rem}
.terminus .btn-board{width:auto;margin:0 auto;padding:.7rem 1.4rem;background:var(--board-amber);color:var(--board);border-color:var(--board-amber);box-shadow:4px 4px 0 rgba(255,255,255,.2)}

/* custom topic = rinji */
.rinji{background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);padding:1.1rem;margin-top:1.4rem;box-shadow:var(--shadow)}
.rinji h3{font-size:.88rem;font-weight:900;display:flex;align-items:center;gap:.5rem;margin-bottom:.7rem}
.rinji h3 .tag{font-family:'IBM Plex Mono',monospace;font-size:.6rem;background:var(--board-amber);color:var(--ink);padding:.15rem .45rem;border-radius:4px;letter-spacing:.1em}
.rinji-row{display:flex;gap:.6rem}
.rinji-row .f-input{flex:1}
.rinji-row .btn-board{width:auto;padding:.7rem 1rem;font-size:.8rem;flex-shrink:0}
.rinji small{display:block;margin-top:.55rem;font-size:.68rem;color:var(--ink-mute)}

/* tools */
.tools-grid{display:grid;grid-template-columns:1fr;gap:.75rem;margin-top:1rem}
@media(min-width:560px){.tools-grid{grid-template-columns:1fr 1fr}}
.tool-item{display:flex;align-items:center;gap:.9rem;background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);padding:1rem;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s}
.tool-item:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(21,21,29,.14)}
.tool-glyph{width:44px;height:44px;border-radius:var(--r-sm);background:var(--ink);color:var(--board-amber);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.1rem;flex-shrink:0}
.tool-item h3{font-size:.92rem;font-weight:900}
.tool-item p{font-size:.72rem;color:var(--ink-soft);line-height:1.45;margin-top:.15rem}

/* ============ TOAST (hanko stamp) ============ */
#toastNotif{display:none;position:fixed;bottom:1.6rem;left:50%;transform:translateX(-50%);z-index:120;animation:slideUp .3s both}
.toast-inner{display:flex;align-items:center;gap:.9rem;background:var(--board);color:#fff;border-radius:var(--r-md);padding:.8rem 1.1rem;border:2px solid var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.hanko{width:46px;height:46px;border-radius:50%;border:3px solid #E8402A;color:#E8402A;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.25rem;animation:stampIn .5s cubic-bezier(.2,1.4,.4,1) both;background:rgba(232,64,42,.08)}
.toast-txt strong{display:block;font-size:.88rem}
.toast-txt span{font-size:.72rem;color:rgba(255,255,255,.7)}

/* ============ POPUP ============ */
.popup-overlay{position:fixed;inset:0;z-index:110;background:rgba(21,21,29,.55);display:flex;align-items:center;justify-content:center;padding:1rem;animation:slideDown .2s both}
.popup{background:var(--card);border:2px solid var(--ink);border-radius:var(--r-md);width:100%;max-width:400px;box-shadow:var(--shadow-lift);overflow:hidden}
.popup-head{background:var(--ink);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem}
.popup-head h4{font-size:.9rem;font-weight:900}
.popup-close{background:none;border:none;color:#fff;font-size:1.1rem;cursor:pointer;line-height:1}
.popup-body{padding:1.1rem}
.backup-row{display:flex;gap:.6rem;margin-top:.8rem}
.backup-btn{flex:1;text-align:center;padding:.6rem;background:var(--paper);border:2px dashed var(--ink-mute);border-radius:var(--r-sm);font-size:.72rem;font-weight:700;color:var(--ink-soft);cursor:pointer;transition:all .15s}
.backup-btn:hover{border-color:var(--ink);color:var(--ink)}
.popup-saved{display:none;align-items:center;justify-content:center;gap:.4rem;margin-top:.8rem;color:var(--done);font-weight:900;font-size:.8rem}

/* ============ FOOTER ============ */
footer{border-top:2px solid var(--ink);background:var(--card);position:relative;z-index:1}
footer .foot-inner{max-width:720px;margin:0 auto;padding:.9rem 1.1rem;display:flex;justify-content:space-between;align-items:center;gap:.6rem;flex-wrap:wrap}
footer p{font-family:'IBM Plex Mono',monospace;font-size:.65rem;color:var(--ink-mute)}
footer a{color:var(--ink);font-weight:700}

/* Kana Sprint button on Kana Express platform */
.btn-sprint{width:100%;background:var(--card);border:2px dashed var(--ink);border-radius:var(--r-md);padding:.75rem 1rem;font-weight:900;font-size:.82rem;cursor:pointer;margin-bottom:1.1rem;transition:transform .12s,box-shadow .12s;box-shadow:var(--shadow)}
.btn-sprint:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(21,21,29,.14)}

/* Sprint overlay */
.sprint-popup{max-width:420px}
.sprint-chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{background:var(--card);border:2px solid var(--ink);border-radius:99px;padding:.4rem .9rem;font-size:.78rem;font-weight:700;cursor:pointer;transition:all .12s}
.chip.active{background:var(--ink);color:#fff}
.sprint-progress{font-size:.68rem;color:var(--ink-mute);text-align:center;margin-bottom:.6rem}
.sprint-char{font-size:4rem;font-weight:900;text-align:center;line-height:1;margin-bottom:1rem}
.sprint-input{text-align:center;font-size:1.2rem;margin-bottom:.7rem}
.sprint-feedback{min-height:1.4rem;text-align:center;font-size:.8rem;font-weight:700;margin-top:.6rem;opacity:0;transition:opacity .15s}
.sprint-feedback.show{opacity:1}
.sprint-feedback.wrong{color:var(--line-v)}
.sprint-result{text-align:center}
.sprint-score{font-size:2.4rem;font-weight:900}
.sprint-avg{font-size:.8rem;color:var(--ink-soft);margin:.3rem 0 .8rem}
.sprint-list{font-size:.75rem;color:var(--ink-soft);margin-bottom:.5rem;line-height:1.6;text-align:left}
.sprint-actions{display:flex;gap:.6rem;margin-top:.8rem}
.sprint-actions .btn-board,.sprint-actions .btn-ghost{flex:1;width:auto}