:root{--ink:#241914;--paper:#f3ebdf;--surface:#fffaf1;--muted:#6f6259;--line:#24191424;--accent:#a8402b;--accent-strong:#722a1d;--green:#465844;--shadow:0 18px 50px #3a26161f}*{box-sizing:border-box}body{color:var(--ink);background:linear-gradient(#2419140a 1px, transparent 1px), linear-gradient(90deg, #24191408 1px, transparent 1px), linear-gradient(180deg, #eadcc8 0%, var(--paper) 48%, #f8f3ea 100%);background-size:100% 28px,28px 100%,auto;margin:0;font-family:Avenir Next,Trebuchet MS,sans-serif}button,select,input{font:inherit}button,.home-actions a{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:11px 16px;font-weight:700;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.55}h1,h2{margin:0;font-family:Georgia,Times New Roman,serif;line-height:1.05}h1{font-size:clamp(2rem,5vw,4rem)}h2{font-size:1.2rem}p{line-height:1.6}.home-shell,.app-shell{width:min(1240px,100vw - 28px);margin:0 auto}.home-shell{align-items:center;min-height:100vh;padding:36px 0;display:grid}.home-panel,.tutorial-shell,.session-hero,.source-panel,.translation-card,.sidebar,.gate-box{border:1px solid var(--line);box-shadow:var(--shadow);background:#fffaf1f0}.home-panel{border-radius:14px;width:min(680px,100%);padding:clamp(24px,4vw,38px);position:relative;overflow:hidden}.home-panel:before{content:"";background:linear-gradient(90deg, var(--accent), var(--green));height:7px;position:absolute;inset:0 0 auto}.home-kicker{flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:14px;display:flex}.home-mark{border:1px solid var(--line);color:var(--muted);background:#ffffff7a;border-radius:999px;padding:5px 10px;font-size:.78rem;font-weight:700}.home-panel h1{max-width:580px;font-size:clamp(1.72rem,3.4vw,2.85rem)}.home-divider{background:var(--line);height:1px;margin:22px 0 18px}.home-guidance{gap:10px;margin-bottom:22px;display:grid}.home-guidance p{color:var(--muted);background:#ffffff70;border-left:3px solid #a8402b61;margin:0;padding:11px 14px;font-size:.96rem}.home-actions{flex-wrap:wrap;gap:12px;display:flex}.home-actions a.secondary-action{color:var(--ink);background:#ffffffb3;border:1px solid #24191429}.eyebrow{color:var(--accent-strong);letter-spacing:.14em;text-transform:uppercase;font-size:.76rem;font-weight:700}.lede{color:var(--muted);font-size:1.12rem}.banner,.status{border-left:4px solid var(--accent);color:var(--ink);background:#fff3d4;margin:16px 0;padding:12px 14px;font-weight:700}.status.error{background:#ffe4df;border-color:#8f1f1f}.tutorial-shell{margin:18px auto;padding:24px}.tutorial-grid{grid-template-columns:minmax(0,1fr) minmax(320px,.74fr);gap:18px;margin:22px 0;display:grid}.tutorial-grid article{border-top:1px solid var(--line);padding-top:16px}.rank-row,.translation-card label,.gate-box label,fieldset label{gap:8px;margin-top:12px;font-weight:700;display:grid}select{background:#fff;border:1px solid #2419143d;border-radius:8px;width:100%;padding:10px}.session-layout{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:18px;padding:18px 0 36px;display:grid}.ranking-main{gap:16px;display:grid}.session-hero,.source-panel,.translation-card,.sidebar{padding:18px}.source-panel p{font-family:Georgia,Times New Roman,serif;font-size:1.08rem}.focus-sentence{background:#a8402b21;border-bottom:2px solid #a8402b73}.translation-list{gap:12px;display:grid}.translation-card{grid-template-columns:minmax(0,1fr) 230px;align-items:start;gap:16px;display:grid}.translation-card p{margin:0;font-family:Georgia,Times New Roman,serif}.sidebar{gap:14px;display:grid;position:sticky;top:18px}.meter{background:#2419141f;border-radius:999px;height:10px;overflow:hidden}.meter span{background:var(--green);height:100%;display:block}.nav-actions{grid-template-columns:1fr 1fr;gap:8px;display:grid}.submit-button{background:var(--green)}.gate{z-index:20;background:#24191480;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.gate-box{width:min(560px,100%);padding:28px}@media (max-width:860px){.tutorial-grid,.session-layout,.translation-card,.home-guidance{grid-template-columns:1fr}.sidebar{position:static}}
