:root{--felt: #0f5132;--felt-dark: #0a3a24;--felt-light: #167a4a;--ivory: #f4efe3;--ivory-shadow: #d8d0bd;--crimson: #a4243b;--charcoal: #23272e;--brass: #cba135;--brass-glow: rgba(203, 161, 53, .65);--hint: #5ac8fa;--hint-glow: rgba(90, 200, 250, .7);--card-w: clamp(44px, 12vw, 76px);--card-h: calc(var(--card-w) * 1.4);--radius: 7px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--ivory);background:radial-gradient(120% 90% at 50% 0%,var(--felt-light) 0%,var(--felt) 42%,var(--felt-dark) 100%);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.app{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:12px 16px}.topbar__controls{display:flex;align-items:center;gap:10px}.difficulty-toggle{display:flex;border:1px solid rgba(244,239,227,.35);border-radius:999px;padding:2px;gap:2px}.btn.btn--toggle{font:inherit;font-size:13px;color:#f4efe373;background:#f4efe30f;border:none;padding:6px 12px}.btn.btn--toggle.is-active{color:var(--charcoal);background:linear-gradient(180deg,#e9d489,var(--brass));box-shadow:0 1px 2px #00000059}.btn.btn--toggle:focus-visible{outline:2px solid var(--ivory);outline-offset:2px}.title{margin:0;font-family:Georgia,Times New Roman,serif;font-weight:600;font-size:clamp(20px,6vw,30px);letter-spacing:.04em;color:var(--ivory);text-shadow:0 1px 2px rgba(0,0,0,.4)}.btn{font:inherit;font-size:14px;color:var(--charcoal);background:linear-gradient(180deg,#e9d489,var(--brass));border:1px solid #a9842a;border-radius:999px;padding:8px 16px;cursor:pointer;box-shadow:0 1px 3px #00000059}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--ivory);outline-offset:2px}.btn:disabled{background:#f4efe326;border-color:#f4efe340;color:#f4efe366;cursor:default}.btn--ghost{color:var(--ivory);background:transparent;border:1px solid rgba(244,239,227,.5)}.btn--icon{padding:6px 10px;font-size:20px;line-height:1}.hint-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px 16px calc(14px + env(safe-area-inset-bottom))}.hint-bar__count{font-size:13px;color:#f4efe3bf}.banner{margin:4px 16px 0;padding:10px 14px;text-align:center;font-family:Georgia,serif;background:#cba1352e;border:1px solid var(--brass);border-radius:8px}.banner--prompt{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px}.banner__actions{display:flex;gap:8px}.board{flex:1;padding:8px clamp(6px,2vw,16px) 24px}.board__top{display:flex;justify-content:space-between;gap:8px;margin-bottom:18px}.board__left,.board__right{display:flex;gap:clamp(4px,1.5vw,10px)}.board__tableau{display:grid;grid-template-columns:repeat(7,1fr);gap:clamp(4px,1.5vw,10px)}.column{position:relative;min-height:var(--card-h)}.pile--single{width:var(--card-w);height:var(--card-h);position:relative}.pile--fan{width:calc(var(--card-w) + 28px)}.slot{width:var(--card-w);height:var(--card-h);border:1.5px dashed rgba(244,239,227,.35);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:calc(var(--card-w) * .4);color:#f4efe359}.card{position:absolute;left:0;width:var(--card-w);height:var(--card-h);border-radius:var(--radius);cursor:pointer;-webkit-user-select:none;user-select:none;box-shadow:0 1px 3px #0006}.card--back{background:repeating-linear-gradient(45deg,#b23a48 0,#b23a48 6px,#8f2d39 6px,#8f2d39 12px);border:2px solid var(--ivory)}.card--face{background:linear-gradient(180deg,#ffffff,var(--ivory));border:1px solid var(--ivory-shadow);display:grid;grid-template-rows:auto 1fr auto;padding:3px 5px;font-family:Georgia,serif;line-height:1}.card.is-red{color:var(--crimson)}.card.is-black{color:var(--charcoal)}.card.is-selected{outline:2px solid var(--brass);box-shadow:0 0 0 2px var(--brass-glow),0 0 14px var(--brass-glow)}.card.is-hinted{outline:2px solid var(--hint);animation:hint-pulse 1.4s ease-in-out infinite}.is-hint-destination{border-radius:var(--radius);animation:hint-pulse 1.4s ease-in-out infinite}@keyframes hint-pulse{0%,to{box-shadow:0 0 0 2px var(--hint-glow),0 0 10px var(--hint-glow)}50%{box-shadow:0 0 0 2px var(--hint-glow),0 0 18px var(--hint-glow)}}.card__corner{font-size:calc(var(--card-w) * .24);font-weight:600}.card__corner--br{justify-self:end;align-self:end;transform:rotate(180deg)}.card__pip{place-self:center;font-size:calc(var(--card-w) * .5)}.settings-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0a99;display:flex;align-items:center;justify-content:center;padding:20px;z-index:10}.settings-panel{position:relative;width:min(440px,100%);max-height:85vh;overflow-y:auto;background:var(--charcoal);border:1px solid var(--brass);border-radius:var(--radius);padding:24px 20px 20px;box-shadow:0 8px 30px #00000080}.settings-close{position:absolute;top:10px;right:10px;width:32px;height:32px;font-size:20px;line-height:1;color:var(--ivory);background:transparent;border:none;cursor:pointer;border-radius:999px}.settings-close:hover,.settings-close:focus-visible{background:#f4efe31a;outline:none}.settings-heading{margin:0 0 10px;font-family:Georgia,serif;font-size:18px;color:var(--brass)}.settings-heading:not(:first-child){margin-top:22px}.settings-subheading{margin:14px 0 4px;font-weight:600;font-size:13px;color:#f4efe3bf;text-transform:uppercase;letter-spacing:.04em}.settings-list{margin:0;padding-left:20px;font-size:14px;line-height:1.5;color:var(--ivory)}.settings-list li+li{margin-top:8px}.settings-list--ordered li+li{margin-top:4px}.settings-note{margin:14px 0 0;font-size:13px;color:#f4efe3a6}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}