:root{--tile-bg: #2f5e9e;--tile-text: #ffffff;--preview-bg: #e8932f;--dl: #f4e7a8;--tl: #a9d9a3;--dw: #aecbf2;--tw: #d9aee8;--empty: #ececec;--grid-gap: 2px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1c1c1c}*{box-sizing:border-box}body{margin:0;background:#fafafa}.app{max-width:1100px;margin:0 auto;padding:16px}header.app-header{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:12px}header.app-header h1{font-size:20px;margin:0}.dict-status{font-size:13px;color:#555}.dict-status.error{color:#b00020}.layout{display:grid;grid-template-columns:minmax(320px,1fr) 360px;gap:20px;align-items:start}@media (max-width: 860px){.layout{grid-template-columns:1fr}}.board{display:grid;grid-template-columns:repeat(15,1fr);gap:var(--grid-gap);background:#cfcfcf;padding:var(--grid-gap);border-radius:6px;-webkit-user-select:none;user-select:none;touch-action:manipulation;aspect-ratio:1 / 1}.cell{position:relative;aspect-ratio:1 / 1;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:clamp(9px,1.6vw,16px);background:var(--empty);border:none;border-radius:3px;cursor:pointer;padding:0;color:#333;overflow:hidden}.cell.dl{background:var(--dl)}.cell.tl{background:var(--tl)}.cell.dw{background:var(--dw)}.cell.tw{background:var(--tw)}.cell .premium-label{font-size:clamp(7px,1.1vw,11px);opacity:.8}.cell.center:after{content:"★";font-size:clamp(11px,1.8vw,18px);color:#888}.cell.tile{background:var(--tile-bg);color:var(--tile-text)}.cell.tile.blank{background:#6b7d99}.cell.preview{background:var(--preview-bg);color:#fff;box-shadow:inset 0 0 0 2px #fff}.cell.preview.blank{background:#c9923f}.cell.selected{outline:3px solid #1463ff;outline-offset:-3px;z-index:2}.cell.low-conf{box-shadow:inset 0 0 0 2px #e53935}.cell .pts{position:absolute;right:1px;bottom:0;font-size:clamp(6px,.9vw,9px);font-weight:600;opacity:.9}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#1463ff1f;border:3px dashed #1463ff;color:#1463ff;font-size:22px;font-weight:600;pointer-events:none}.panel{background:#fff;border:1px solid #e3e3e3;border-radius:8px;padding:12px;margin-bottom:14px}.panel h2{font-size:14px;margin:0 0 8px;text-transform:uppercase;letter-spacing:.04em;color:#666}.rack{display:flex;gap:6px}.rack input{width:38px;height:44px;text-align:center;font-size:20px;font-weight:700;text-transform:uppercase;border:1px solid #bbb;border-radius:6px;background:#2f5e9e;color:#fff}.rack input::placeholder{color:#ffffff80}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}button.primary{background:#1463ff;color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:15px;font-weight:600;cursor:pointer}button.primary:disabled{opacity:.5;cursor:default}button.secondary{background:#fff;border:1px solid #bbb;border-radius:8px;padding:8px 12px;cursor:pointer;font-size:13px}.mode-toggle{display:inline-flex;border:1px solid #bbb;border-radius:8px;overflow:hidden}.mode-toggle button{border:none;background:#fff;padding:6px 12px;cursor:pointer;font-size:13px}.mode-toggle button.active{background:#1463ff;color:#fff}.results{max-height:540px;overflow-y:auto}.results table{width:100%;border-collapse:collapse;font-size:13px}.results th{text-align:left;position:sticky;top:0;background:#fff;border-bottom:1px solid #ddd;padding:6px 8px;font-size:12px;color:#666}.results td{padding:6px 8px;border-bottom:1px solid #f0f0f0}.results tr:hover td,.results tr.active td{background:#fff3e6;cursor:pointer}.results .score{font-weight:700;text-align:right}.results .word{font-weight:600;letter-spacing:.03em}.blank-letter{text-decoration:underline dotted;opacity:.85}.value-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:6px}.value-grid label{display:flex;flex-direction:column;font-size:12px;gap:2px}.value-grid input{width:100%;padding:3px;border:1px solid #ccc;border-radius:4px}.value-grid label.unconfirmed span{color:#b00020;font-weight:700}.hint{font-size:12px;color:#777;margin:6px 0 0}.uploader canvas{max-width:100%;border:1px solid #ccc;border-radius:6px;cursor:crosshair;display:block}details summary{cursor:pointer;font-size:13px;color:#1463ff}.progress{font-size:13px;color:#555}