:root{--bg:#f6f4fb;--surface:#fff;--ink:#3a3850;--muted:#6e6b85;--line:#ece8f5;--accent:#7e6bc4;--accent-soft:#efeafb;--ok:#3e9b73;--ok-soft:#e2f3ea;--ko:#c25c86;--ko-soft:#fbe6ee;--tap:56px;--radius:16px;--font-base:var(--font-nunito-sans), ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display:var(--font-fraunces), Georgia, serif}*,:before,:after{box-sizing:border-box}body{font-family:var(--font-base);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;touch-action:manipulation;min-height:100vh;margin:0;line-height:1.6}.lce-wrap{max-width:560px;padding:clamp(14px,4vw,24px) clamp(14px,4vw,20px);padding-bottom:calc(clamp(28px, 6vw, 48px) + env(safe-area-inset-bottom,0px));padding-left:calc(clamp(14px, 4vw, 20px) + env(safe-area-inset-left,0px));padding-right:calc(clamp(14px, 4vw, 20px) + env(safe-area-inset-right,0px));flex-direction:column;margin:0 auto;display:flex}.lce-btn-nav{width:100%;min-height:var(--tap);background:var(--surface);border:1.5px solid var(--line);color:var(--muted);letter-spacing:.01em;-webkit-tap-highlight-color:transparent;border-radius:14px;justify-content:center;align-items:center;gap:8px;margin-bottom:24px;padding:14px 20px;font-size:clamp(.84rem,2.4vw,.92rem);font-weight:700;text-decoration:none;transition:border-color .2s,color .2s,background .2s;display:flex}.lce-btn-nav:hover,.lce-btn-nav:focus-visible{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.lce-btn-nav.lce-bottom{margin:28px 0 4px}.lce-head{text-align:center;margin-bottom:clamp(18px,4vw,24px)}.lce-head .lce-chip{background:var(--accent-soft);text-align:center;border-radius:15px;width:52px;height:52px;margin-bottom:12px;font-size:1.6rem;line-height:52px;display:inline-block}.lce-title-minimal{font-family:var(--font-display);text-transform:uppercase;letter-spacing:1.5px;color:var(--ink);margin:0 0 4px;font-size:clamp(1.2rem,4.6vw,1.4rem);font-weight:600}.lce-sub{color:var(--muted);margin:0;font-size:clamp(.84rem,2.4vw,.9rem);font-weight:700}.lce-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(18px,5vw,26px);box-shadow:0 12px 32px -20px #3a385066}.lce-target-box{background:var(--ink);color:#fff;text-align:center;border-radius:20px;margin-bottom:clamp(18px,4.5vw,24px);padding:clamp(16px,4.5vw,20px);box-shadow:0 8px 24px -10px #3a385080}.lce-target-label{text-transform:uppercase;letter-spacing:1px;opacity:.8;margin-bottom:4px;font-size:.8rem;font-weight:700}.lce-target-num{font-family:var(--font-display);font-variant-numeric:tabular-nums;margin:0;font-size:clamp(2.8rem,11vw,4rem);font-weight:600;line-height:1}.lce-board{flex-direction:column;gap:18px;margin-bottom:20px;display:flex}.lce-numbers-grid{flex-wrap:wrap;justify-content:center;gap:10px;min-height:60px;display:flex}.lce-num-tile{background:var(--surface);min-width:clamp(52px,14vw,64px);height:clamp(52px,14vw,64px);color:var(--ink);font-variant-numeric:tabular-nums;cursor:pointer;border:2px solid var(--line);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border-radius:16px;place-items:center;font-size:clamp(1.15rem,4.4vw,1.4rem);font-weight:700;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s;display:grid}.lce-num-tile:hover:not(.lce-used){border-color:var(--accent)}.lce-num-tile.lce-selected{background:var(--accent);color:#fff;border-color:var(--accent);transform:scale(1.05);box-shadow:0 4px 12px #7e6bc44d}.lce-num-tile.lce-used{color:#d32f2f;cursor:not-allowed;opacity:.85;background:#fff0f0;border:2px dashed #ffcdcd;transform:scale(.95)}.lce-num-tile.lce-result-tile{border-radius:12px;min-width:48px;height:48px;font-size:1.2rem}.lce-ops-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.lce-op-tile{background:var(--accent-soft);height:clamp(48px,13vw,56px);color:var(--accent);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border:2px solid #0000;border-radius:14px;place-items:center;font-family:inherit;font-size:clamp(1.3rem,5vw,1.6rem);font-weight:700;transition:background .15s,color .15s,transform .15s;display:grid}.lce-op-tile.lce-selected{background:var(--accent);color:#fff;transform:scale(1.05)}.lce-history-box{background:var(--bg);border:1px solid var(--line);border-radius:16px;min-height:80px;padding:16px}.lce-history-title{color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin:0 0 10px;font-size:.8rem;font-weight:700}.lce-review-title-centered{text-align:center}.lce-step-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.lce-step-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;justify-content:space-between;align-items:center;padding:8px 8px 8px 12px;animation:.2s ease-out slideIn;display:flex}.lce-eq-text{color:var(--muted);align-items:center;gap:6px;font-size:1.15rem;font-weight:700;display:flex}.lce-eq-sign{margin-left:4px}.lce-mini-tile{background:var(--bg);border:1px solid var(--line);min-width:38px;height:38px;color:var(--ink);font-variant-numeric:tabular-nums;border-radius:10px;justify-content:center;align-items:center;padding:0 6px;font-size:1.1rem;display:inline-flex}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:none}}.lce-review-panel{text-align:left;margin-bottom:20px}.lce-review-target-note{text-align:center;color:var(--muted);margin:14px 0 0;font-size:.92rem;font-weight:700}.lce-controles{margin-top:16px}.lce-btn{width:100%;height:var(--tap);background:var(--ink);color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:1px;-webkit-tap-highlight-color:transparent;border:0;border-radius:15px;font-family:inherit;font-size:clamp(.92rem,2.8vw,1.05rem);font-weight:800;transition:filter .15s,transform .15s,opacity .2s,border-color .2s,color .2s,background .2s}.lce-btn:hover:not(:disabled){filter:brightness(1.15)}.lce-btn:active:not(:disabled){transform:scale(.98)}.lce-btn-outline{background:var(--surface);color:var(--ink);border:2px solid var(--line)}.lce-btn-outline:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.lce-btn:disabled{opacity:.4;cursor:not-allowed}.lce-msg-toast{text-align:center;color:var(--ko);min-height:1.5em;margin-top:10px;font-size:.9rem;font-weight:700;transition:opacity .3s}.lce-end{text-align:center;outline:none;padding:8px 0 4px}.lce-end .lce-icono{margin-bottom:8px;font-size:2.4rem;line-height:1}.lce-end .lce-big{font-family:var(--font-display);letter-spacing:-.01em;margin:6px 0;font-size:clamp(1.7rem,7vw,2.3rem);font-weight:600}.lce-end.lce-win .lce-big{color:var(--ok)}.lce-end.lce-lose .lce-big{color:var(--ko)}.lce-end .lce-end-sub{color:var(--muted);margin:0 0 20px;font-size:clamp(.92rem,2.8vw,1.05rem)}.lce-timer{background:var(--bg);border:1px solid var(--line);border-radius:18px;flex-direction:column;gap:2px;width:100%;margin:10px 0 4px;padding:14px 22px;display:inline-flex}.lce-timer .lce-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:.75rem;font-weight:700}.lce-timer .lce-time{font-family:var(--font-display);font-variant-numeric:tabular-nums;color:var(--ink);font-size:clamp(1.25rem,4.6vw,1.5rem);font-weight:600}.lce-share-box{margin:10px 0 24px}.lce-share-grid{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.lce-share-btn{cursor:pointer;color:#fff;-webkit-tap-highlight-color:transparent;border:none;border-radius:12px;justify-content:center;align-items:center;gap:6px;height:46px;padding:0 16px;font-family:inherit;font-size:.92rem;font-weight:800;text-decoration:none;transition:filter .15s,transform .1s;display:inline-flex}.lce-share-btn:hover{filter:brightness(1.1)}.lce-share-btn:active{transform:scale(.96)}.lce-btn-wa{background:#25d366}.lce-btn-tg{background:#229ed9}.lce-btn-copy{background:var(--muted)}.lce-btn-ver{border:2px solid var(--line);color:var(--ink);background:0 0;width:100%;margin:10px 0}.lce-btn-ver:hover{border-color:var(--accent);color:var(--accent)}.lce-instructions{background:var(--surface);border:1px solid var(--line);border-radius:20px;margin-top:clamp(18px,4.5vw,24px);padding:clamp(18px,5vw,22px) clamp(18px,5vw,26px);box-shadow:0 4px 12px #3a38500d}.lce-instructions h2{color:var(--ink);text-transform:uppercase;letter-spacing:1px;margin:0 0 12px;font-size:clamp(.95rem,3vw,1.05rem);font-weight:800}.lce-instructions ul{color:var(--muted);flex-direction:column;gap:10px;margin:0;padding:0;font-size:clamp(.88rem,2.6vw,.95rem);list-style:none;display:flex}.lce-instructions li{align-items:flex-start;gap:8px;display:flex}.lce-instructions .lce-emoji{flex-shrink:0;font-size:1.1rem}.lce-instructions li::marker{color:var(--accent)}.lce-instructions strong{color:var(--ink)}.lce-hidden{display:none!important}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}