:root{--bg-base: #0F1115;--bg-surface: #1A1D24;--bg-elevated: #242833;--border: #2E3340;--text-primary: #E8EAED;--text-secondary: #9AA0A6;--text-muted: #5F6368;--accent-correct: #7BE08E;--accent-partial: #F4C24A;--accent-action: #4A9EFF;--error: #F28B82;--cell-size: 56px;--cell-font: 28px}@media(min-width:600px){:root{--cell-size: 64px;--cell-font: 32px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg-base);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.app-shell{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.logo{font-size:20px;font-weight:700;letter-spacing:.08em;color:var(--text-primary)}.top-bar__right{display:flex;align-items:center;gap:12px}.puzzle-num{font-size:14px;font-weight:600;color:var(--text-secondary)}.btn-icon{width:32px;height:32px;min-width:32px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit}.btn{height:52px;padding:0 24px;border:none;border-radius:10px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;width:100%;min-height:44px}.btn--primary{background:var(--accent-action);color:#fff}.btn--secondary{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.daily{flex:1;display:flex;flex-direction:column;align-items:center;padding:16px;gap:16px;overflow-y:auto}.grid{display:flex;flex-direction:column;gap:8px}.row{display:flex;align-items:center;gap:8px}.row__cells{display:flex;gap:8px}.row__hint{display:flex;gap:8px;min-width:72px;margin-left:4px}.cell{width:var(--cell-size);height:var(--cell-size);min-width:var(--cell-size);display:flex;align-items:center;justify-content:center;border-radius:8px;border:2px solid var(--border);background:var(--bg-surface);font-size:var(--cell-font);font-weight:600;font-feature-settings:"tnum";color:var(--text-primary)}.cell--empty{border-color:var(--border)}.cell--next,.cell--filled{border-color:var(--text-secondary)}.cell--submitted{border-color:transparent;background:var(--bg-elevated)}.hint{font-size:15px;font-weight:700;padding:2px 6px;border-radius:5px;font-feature-settings:"tnum"}.hint--exact{color:var(--accent-correct);background:#7be08e1a}.hint--partial{color:var(--accent-partial);background:#f4c24a1a}.attempts-left{font-size:13px;color:var(--text-secondary)}.helper-error{font-size:13px;color:var(--error);min-height:18px}.keypad{display:flex;flex-direction:column;gap:8px;width:100%;max-width:340px}.keypad__row{display:flex;gap:8px;justify-content:center}.key{height:52px;min-width:44px;min-height:44px;border:none;border-radius:8px;background:var(--bg-elevated);color:var(--text-primary);font-size:20px;font-weight:600;font-family:inherit;font-feature-settings:"tnum";cursor:pointer;transition:opacity .1s}.key:active:not(:disabled){opacity:.7}.key:disabled{cursor:default}.key--digit{flex:1}.key--used{color:var(--text-muted)}.key--delete{flex:1;font-size:18px}.key--submit{flex:2;font-size:15px;font-weight:700;background:var(--accent-action);color:#fff}.key--submit:disabled{background:var(--bg-elevated);color:var(--text-muted)}@keyframes cell-pop{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.row--animating .cell--submitted{animation:cell-pop .24s ease-in-out}.row--animating .row__hint{animation:fade-in .24s ease-in-out}.result-backdrop{position:fixed;inset:0;background:#0000008c;z-index:5;display:flex;align-items:flex-end;justify-content:center}.result-sheet{background:var(--bg-elevated);border-radius:20px 20px 0 0;padding:28px 24px 44px;width:100%;max-width:480px;max-height:85vh;overflow-y:auto;display:flex;flex-direction:column;gap:14px;animation:slide-up .28s ease-out}@keyframes slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.result-header{font-size:22px;font-weight:700;text-align:center}.result-secret{display:flex;justify-content:center;gap:8px}.result-secret__digit{width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border-radius:8px;font-size:26px;font-weight:700;font-feature-settings:"tnum"}.result-outcome{text-align:center;font-size:15px;font-weight:600}.result-streak{text-align:center;font-size:14px;color:var(--text-secondary)}.result-countdown{text-align:center;font-size:13px;color:var(--text-muted)}.result-actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;padding:24px;z-index:10}.modal{background:var(--bg-elevated);border-radius:16px;padding:24px;width:100%;max-width:400px;max-height:85vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.modal-title{font-size:18px;font-weight:700;margin-bottom:4px}.modal p,.modal li{font-size:14px;color:var(--text-secondary);line-height:1.55}.modal ul{padding-left:16px;display:flex;flex-direction:column;gap:6px}.howtoplay-example{background:var(--bg-surface);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:8px}.example-label{font-size:11px!important;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)!important}.example-row{display:flex;align-items:center;gap:10px}.example-cells{display:flex;gap:5px}.example-cell{width:40px;height:40px;min-width:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-elevated);border-radius:6px;font-size:22px;font-weight:600;font-feature-settings:"tnum"}.example-note{font-size:12px!important;color:var(--text-muted)!important}.top-bar--centered{justify-content:center}.top-bar__title{font-size:15px;font-weight:700;letter-spacing:.05em;color:var(--text-primary)}.top-bar__difficulty-btn{background:none;border:none;font-family:inherit;font-size:14px;font-weight:700;color:var(--text-primary);cursor:pointer;padding:4px 8px;border-radius:6px;letter-spacing:.04em}.top-bar__difficulty-btn:hover{background:var(--bg-elevated)}.diff-picker{display:flex;justify-content:center;gap:8px;padding:8px 16px;background:var(--bg-elevated);border-bottom:1px solid var(--border)}.diff-option{flex:1;max-width:100px;height:36px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--text-secondary);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer}.diff-option--active{border-color:var(--accent-action);color:var(--accent-action)}.home{flex:1;display:flex;flex-direction:column;align-items:stretch;padding:24px 16px;gap:16px}.mode-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:20px;border-radius:14px;background:var(--bg-surface);border:1px solid var(--border);cursor:pointer;text-align:left;font-family:inherit;width:100%}.mode-card:active{opacity:.85}.mode-card--practice{cursor:default}.mode-card__title{font-size:17px;font-weight:800;letter-spacing:.06em;color:var(--text-primary)}.mode-card__sub{font-size:13px;color:var(--text-secondary)}.mode-card__streak{font-size:14px;color:var(--accent-partial)}.diff-row{display:flex;gap:8px;width:100%}.diff-row--result{flex-direction:column}.diff-btn{flex:1;height:38px;border:1px solid var(--border);border-radius:8px;background:var(--bg-elevated);color:var(--text-secondary);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:0 10px}.diff-btn--active{border-color:var(--accent-action);color:var(--accent-action)}.ad-banner{width:100%;min-height:100px;border-radius:10px;overflow:hidden;background:var(--bg-surface)}.home-footer{margin-top:auto;display:flex;justify-content:center;gap:32px;padding:16px 0}.coming-soon-note{text-align:center;font-size:12px;color:var(--text-muted);padding-bottom:16px;letter-spacing:.03em}.app-version{text-align:center;font-size:11px;color:var(--text-muted);opacity:.5;padding-bottom:12px;font-variant-numeric:tabular-nums}.btn-text{background:none;border:none;font-family:inherit;font-size:14px;font-weight:600;color:var(--text-secondary);cursor:pointer;padding:8px;min-height:44px}.stats-screen{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:24px}.stats-section{display:flex;flex-direction:column;gap:12px}.stats-heading{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.stats-row--summary{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stat-box{background:var(--bg-surface);border-radius:10px;padding:12px 8px;display:flex;flex-direction:column;align-items:center;gap:4px}.stat-value{font-size:22px;font-weight:700;font-feature-settings:"tnum";color:var(--text-primary)}.stat-label{font-size:11px;color:var(--text-muted);text-align:center}.stats-table{width:100%;border-collapse:collapse;font-size:13px}.stats-table th{text-align:left;padding:4px 8px;color:var(--text-muted);font-weight:600;font-size:11px}.stats-table td{padding:8px;color:var(--text-secondary);border-top:1px solid var(--border)}.stats-table td:first-child{color:var(--text-primary);font-weight:600}.dist-chart{display:flex;flex-direction:column;gap:6px}.dist-row{display:flex;align-items:center;gap:8px}.dist-label{font-size:13px;font-feature-settings:"tnum";color:var(--text-muted);width:16px;text-align:right;flex-shrink:0}.dist-bar-bg{flex:1;height:20px;background:var(--bg-surface);border-radius:4px;overflow:hidden}.dist-bar{height:100%;background:var(--accent-action);border-radius:4px;min-width:4px;transition:width .3s 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var(--border);background:transparent;cursor:pointer;width:100%;font-family:inherit;text-align:left}.game-card__daily-btn:hover{background:#ffffff08}.game-card__daily-btn:active{opacity:.8}.game-card__daily-top{display:flex;align-items:center;justify-content:space-between;width:100%}.game-card__zone-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.game-card__chevron{font-size:20px;line-height:1;color:var(--text-muted)}.game-card__daily-status{font-size:13px;color:var(--text-secondary)}.mode-card__practice-row{padding:14px 20px;display:flex;flex-direction:column;gap:10px}.mode-card__practice-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.stats-game-heading{font-size:14px;font-weight:800;letter-spacing:.1em;color:var(--text-secondary)}.stats-divider{height:1px;background:var(--border)}.modal-subtitle{font-size:15px;font-weight:700;color:var(--text-primary);margin-top:4px}.example-cell--clue{background:#16191f;color:var(--text-secondary)}@media(prefers-reduced-motion:reduce){.row--animating .cell--submitted,.row--animating .row__hint,.result-sheet{animation:none}}