:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--bg-color: #f8fafc;--card-bg: #ffffff;--text-color: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--hover-bg: #f1f5f9;--empty-peg: #cbd5e1;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}.dark,:root.dark{--bg-color: #0f172a;--card-bg: #1e293b;--text-color: #f1f5f9;--text-secondary: #94a3b8;--border-color: #334155;--hover-bg: #334155;--empty-peg: #475569}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;transition:background-color .2s ease,color .2s ease}#root{min-height:100vh;display:flex;flex-direction:column}.app{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:1rem;background:var(--card-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:50}.app-header h1{font-size:1.25rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.header-controls{display:flex;gap:.5rem}.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-color);border-radius:8px;cursor:pointer;font-size:1.25rem;transition:all .2s ease}.icon-btn:hover{background:var(--hover-bg)}.app-main{flex:1;padding:1rem}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}::selection{background:var(--primary-color);color:#fff}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}button{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}@media(max-width:480px){html{font-size:14px}.app-header h1{font-size:1.1rem}.icon-btn{width:36px;height:36px;font-size:1.1rem}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-4px)}20%,40%,60%,80%{transform:translate(4px)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .3s ease}.scale-in{animation:scaleIn .3s ease}.shake{animation:shake .5s ease}.bounce{animation:bounce .5s ease}.pulse{animation:pulse 1s ease infinite}@supports (padding-bottom: env(safe-area-inset-bottom)){.app-main{padding-bottom:calc(1rem + env(safe-area-inset-bottom))}}.main-menu{max-width:600px;margin:0 auto;padding:1rem}.menu-section{text-align:center;margin-bottom:2rem}.menu-section h2{font-size:1.5rem;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.menu-section h3{font-size:1.2rem;margin:1.5rem 0 1rem}.mode-grid,.difficulty-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}@media(max-width:480px){.mode-grid,.difficulty-grid{grid-template-columns:1fr}}.mode-card,.difficulty-card{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem 1rem;background:var(--card-bg);border:2px solid var(--border-color);border-radius:12px;cursor:pointer;transition:all .2s ease}.mode-card:hover,.difficulty-card:hover{transform:translateY(-2px);border-color:var(--primary-color);box-shadow:0 4px 12px #00000026}.mode-card:active,.difficulty-card:active{transform:translateY(0)}.mode-icon,.difficulty-icon{font-size:2.5rem}.mode-title,.difficulty-title{font-size:1.1rem;font-weight:600;color:var(--text-color)}.mode-desc,.difficulty-desc{font-size:.85rem;color:var(--text-secondary);text-align:center}.menu-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:2rem}.menu-btn{padding:.875rem 1.5rem;font-size:1rem;border-radius:8px;border:none;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:.5rem}.menu-btn.secondary{background:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color)}.menu-btn.secondary:hover{background:var(--hover-bg)}.quick-stats{display:flex;justify-content:center;gap:1.5rem;margin-top:2rem;padding:1rem;background:var(--card-bg);border-radius:8px;font-size:.9rem;color:var(--text-secondary)}@media(max-width:480px){.quick-stats{flex-direction:column;gap:.5rem;align-items:center}}.back-btn{background:none;border:none;color:var(--primary-color);font-size:1rem;cursor:pointer;padding:.5rem;margin-bottom:1rem;display:flex;align-items:center;gap:.25rem}.back-btn:hover{text-decoration:underline}.selected-mode-icon{font-size:1.5rem}.mode-selected-desc{color:var(--text-secondary);margin-bottom:1rem}.confirm-section{padding:2rem;background:var(--card-bg);border-radius:16px;border:2px solid var(--border-color)}.selection-summary{display:flex;flex-direction:column;gap:1rem;margin:1.5rem 0;padding:1rem;background:var(--bg-color);border-radius:8px}.summary-item{display:flex;justify-content:space-between;align-items:center}.summary-label{color:var(--text-secondary)}.summary-value{font-weight:600;display:flex;align-items:center;gap:.5rem}.start-btn{width:100%;padding:1rem;font-size:1.2rem;font-weight:600;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease}.start-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #6366f166}.start-btn:active{transform:translateY(0)}.game{max-width:500px;margin:0 auto;padding:1rem}.game-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.game-header .back-btn{background:none;border:none;color:var(--primary-color);font-size:1rem;cursor:pointer;padding:.5rem}.game-title{font-size:1.1rem;font-weight:600}.game-info{font-size:.9rem;color:var(--text-secondary)}.game-status{text-align:center;font-size:1.1rem;padding:.75rem;background:var(--card-bg);border-radius:8px;margin-bottom:1rem}.game-board{background:var(--card-bg);border-radius:16px;padding:1.5rem;border:2px solid var(--border-color)}.secret-code-section{margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px dashed var(--border-color)}.secret-code-label{text-align:center;font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.peek-btn{background:none;border:none;font-size:1rem;cursor:pointer;opacity:.6;transition:opacity .2s}.peek-btn:hover{opacity:1}.secret-code{display:flex;justify-content:center;gap:.5rem}.secret-peg-container{display:flex;align-items:center;justify-content:center}.peg{border-radius:50%;box-shadow:inset 0 -2px 4px #0003,0 2px 4px #0000001a;transition:all .15s ease}.peg.small{width:16px;height:16px}.peg.normal{width:36px;height:36px}.peg.large{width:48px;height:48px}.peg.clickable{cursor:pointer}.peg.clickable:hover{transform:scale(1.1)}.peg.selected{box-shadow:0 0 0 3px var(--primary-color),inset 0 -2px 4px #0003}.peg.hidden{background:linear-gradient(135deg,#374151,#1f2937);display:flex;align-items:center;justify-content:center;color:#6b7280;font-weight:700;font-size:1.2rem;width:36px;height:36px}.current-guess-section{margin-bottom:1.5rem}.current-guess-label{text-align:center;font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem}.current-guess{display:flex;justify-content:center;gap:.75rem;margin-bottom:1rem}.guess-peg-container{display:flex;flex-direction:column;align-items:center}.position-indicator{color:var(--primary-color);font-size:.8rem;margin-top:.25rem}.color-palette{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-bottom:.75rem}.color-btn{width:44px;height:44px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:all .15s ease;box-shadow:0 2px 4px #0003}.color-btn:hover:not(:disabled){transform:scale(1.15);border-color:var(--text-color)}.color-btn:active:not(:disabled){transform:scale(1.05)}.color-btn:disabled{opacity:.5;cursor:not-allowed}.guess-controls{display:flex;justify-content:center;gap:.5rem;margin-bottom:.75rem}.control-btn{padding:.5rem 1rem;font-size:.9rem;background:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;transition:all .2s ease}.control-btn:hover:not(:disabled){background:var(--hover-bg)}.control-btn:disabled{opacity:.5;cursor:not-allowed}.clear-btn{background:var(--bg-color);border:2px dashed var(--border-color);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--text-secondary)}.guess-actions{display:flex;flex-direction:column;gap:.5rem}.submit-btn{width:100%;padding:.875rem;font-size:1rem;font-weight:600;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.submit-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #6366f166}.submit-btn:disabled{opacity:.5;cursor:not-allowed}.hint-btn{width:100%;padding:.75rem;font-size:.9rem;background:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .2s ease}.hint-btn:hover:not(:disabled){background:var(--hover-bg)}.hint-btn:disabled{opacity:.5;cursor:not-allowed}.guess-history{margin-top:1.5rem;padding-top:1rem;border-top:2px dashed var(--border-color)}.history-label{text-align:center;font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem}.feedback-legend{display:flex;justify-content:center;gap:1.5rem;margin-bottom:.75rem;font-size:.8rem;color:var(--text-secondary)}.legend-item{display:flex;align-items:center;gap:.4rem}.legend-item .feedback-emoji{font-size:1rem}.no-guesses{text-align:center;color:var(--text-secondary);font-style:italic;padding:1rem}.guesses-list{display:flex;flex-direction:column;gap:.5rem}.guess-row{display:flex;align-items:center;gap:.75rem;padding:.5rem;background:var(--bg-color);border-radius:8px}.guess-number{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--primary-color);color:#fff;border-radius:50%;font-size:.8rem;font-weight:600}.guess-pegs{display:flex;gap:.25rem;flex:1}.guess-peg-small{flex-shrink:0}.feedback-pegs{display:flex;gap:2px;padding:4px;background:var(--border-color);border-radius:4px;align-items:center}.feedback-emoji{font-size:.9rem;line-height:1}.feedback-emoji.empty{opacity:.3}.feedback-peg{width:12px;height:12px;border-radius:50%}.feedback-peg.black{background:#1f2937;box-shadow:inset 0 -1px 2px #0000004d}.dark .feedback-peg.black{background:#fff;box-shadow:inset 0 -1px 2px #0000001a}.feedback-peg.white{background:#f3f4f6;box-shadow:inset 0 -1px 2px #0000001a}.feedback-peg.empty{background:var(--bg-color);opacity:.3}.ai-thinking{text-align:center;padding:2rem 1rem;margin-bottom:1rem}.ai-label{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;margin:0 auto;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ai-guess{display:flex;justify-content:center;gap:.5rem}.ai-peg{width:36px;height:36px;border-radius:50%;box-shadow:inset 0 -2px 4px #0003,0 2px 4px #0000001a}.game-over-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100;padding:1rem}.game-over-modal{background:var(--card-bg);border-radius:16px;padding:2rem;max-width:400px;width:100%;text-align:center;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.game-over-icon{font-size:4rem;margin-bottom:1rem}.game-over-modal h2{font-size:1.3rem;margin-bottom:1rem}.revealed-code{display:flex;justify-content:center;gap:.5rem;margin:1rem 0}.revealed-peg{width:40px;height:40px;border-radius:50%;box-shadow:inset 0 -2px 4px #0003,0 2px 4px #0000001a}.game-over-stats{display:flex;justify-content:center;gap:2rem;margin:1.5rem 0}.stat{display:flex;flex-direction:column}.stat-label{font-size:.8rem;color:var(--text-secondary)}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.game-over-actions{display:flex;flex-direction:column;gap:.5rem}.action-btn{padding:.875rem;font-size:1rem;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.action-btn.primary{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff}.action-btn:not(.primary):not(.secondary){background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff}.action-btn.secondary{background:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color)}.action-btn:hover{transform:translateY(-1px)}.tutorial{max-width:600px;margin:0 auto;padding:1rem}.tutorial .back-btn{background:none;border:none;color:var(--primary-color);font-size:1rem;cursor:pointer;padding:.5rem;margin-bottom:1rem}.tutorial h2{text-align:center;font-size:1.5rem;margin-bottom:1.5rem}.tutorial-section{background:var(--card-bg);border-radius:12px;padding:1.25rem;margin-bottom:1rem;border:1px solid var(--border-color)}.tutorial-section h3{font-size:1.1rem;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.tutorial-section p{line-height:1.6;color:var(--text-secondary)}.tutorial-section ol,.tutorial-section ul{padding-left:1.5rem;line-height:1.8;color:var(--text-secondary)}.tutorial-section li{margin-bottom:.5rem}.feedback-explanation{display:flex;flex-direction:column;gap:.75rem;margin:1rem 0}.feedback-item{display:flex;align-items:center;gap:.75rem}.feedback-peg-demo{width:20px;height:20px;border-radius:50%;flex-shrink:0}.feedback-peg-demo.black{background:#1f2937;box-shadow:inset 0 -2px 4px #0000004d}.feedback-peg-demo.white{background:#f3f4f6;box-shadow:inset 0 -2px 4px #0000001a}.feedback-peg-demo.empty{background:var(--border-color);opacity:.5}.note{margin-top:1rem;padding:.75rem;background:#eab3081a;border-left:3px solid #eab308;border-radius:0 8px 8px 0;font-size:.9rem}.modes-list,.difficulty-list{display:flex;flex-direction:column;gap:.75rem}.mode-item,.difficulty-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--bg-color);border-radius:8px}.mode-icon,.diff-icon{font-size:1.5rem}.mode-item div,.difficulty-item div{color:var(--text-secondary);font-size:.95rem}.statistics{max-width:600px;margin:0 auto;padding:1rem}.statistics .back-btn{background:none;border:none;color:var(--primary-color);font-size:1rem;cursor:pointer;padding:.5rem;margin-bottom:1rem}.statistics h2{text-align:center;font-size:1.5rem;margin-bottom:1.5rem}.no-stats{text-align:center;padding:3rem 1rem;background:var(--card-bg);border-radius:12px;border:1px solid var(--border-color)}.no-stats p{margin:.5rem 0;color:var(--text-secondary)}.no-stats p:first-child{font-size:1.2rem}.stats-section{margin-bottom:1.5rem}.stats-section h3{font-size:1.1rem;margin-bottom:.75rem;padding-left:.25rem}.main-stats,.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.stat-card{background:var(--card-bg);border-radius:12px;padding:1.25rem 1rem;text-align:center;border:1px solid var(--border-color)}.stat-card.highlight{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;border:none}.stat-card.highlight .stat-label{color:#fffc}.stat-value{font-size:2rem;font-weight:700;line-height:1;margin-bottom:.25rem}.stat-label{font-size:.85rem;color:var(--text-secondary)}.stat-sublabel{font-size:.75rem;color:var(--text-secondary);opacity:.7;margin-top:.25rem}.mode-stats{display:flex;flex-direction:column;gap:.5rem}.mode-stat-row{display:flex;justify-content:space-between;align-items:center;padding:.875rem 1rem;background:var(--card-bg);border-radius:8px;border:1px solid var(--border-color)}.mode-name{font-weight:500}.mode-stat-details{display:flex;gap:1rem;font-size:.85rem;color:var(--text-secondary)}@media(max-width:480px){.mode-stat-row{flex-direction:column;align-items:flex-start;gap:.5rem}.mode-stat-details{width:100%;justify-content:space-between}}.stats-actions{margin-top:2rem;text-align:center}.reset-btn{padding:.75rem 1.5rem;font-size:.9rem;background:var(--card-bg);color:#ef4444;border:1px solid #ef4444;border-radius:8px;cursor:pointer;transition:all .2s ease}.reset-btn:hover:not(:disabled){background:#ef4444;color:#fff}.reset-btn:disabled{opacity:.5;cursor:not-allowed}.confirm-reset{padding:1rem;background:#ef44441a;border-radius:8px;border:1px solid rgba(239,68,68,.3)}.confirm-reset p{margin-bottom:1rem;color:var(--text-color)}.confirm-buttons{display:flex;gap:.75rem;justify-content:center}.confirm-yes{padding:.5rem 1.25rem;background:#ef4444;color:#fff;border:none;border-radius:6px;cursor:pointer}.confirm-no{padding:.5rem 1.25rem;background:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color);border-radius:6px;cursor:pointer}.privacy{max-width:600px;margin:0 auto;padding:1rem}.privacy .back-btn{background:none;border:none;color:var(--primary-color);font-size:1rem;cursor:pointer;padding:.5rem;margin-bottom:1rem}.privacy h2{text-align:center;font-size:1.5rem;margin-bottom:1.5rem}.privacy-section{background:var(--card-bg);border-radius:12px;padding:1.25rem;margin-bottom:1rem;border:1px solid var(--border-color)}.privacy-section h3{font-size:1.1rem;margin-bottom:.75rem}.privacy-section p{line-height:1.6;color:var(--text-secondary);margin-bottom:.75rem}.privacy-section p:last-child{margin-bottom:0}.privacy-section ul{padding-left:1.5rem;line-height:1.8;color:var(--text-secondary);margin:.75rem 0}.privacy-section a{color:var(--primary-color);text-decoration:none}.privacy-section a:hover{text-decoration:underline}.back-btn-bottom{display:block;width:100%;max-width:300px;margin:2rem auto 1rem;padding:.875rem;font-size:1rem;background:var(--primary-color);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.back-btn-bottom:hover{background:var(--primary-dark);transform:translateY(-1px)}.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--card-bg);border-top:1px solid var(--border-color);box-shadow:0 -4px 20px #00000026;z-index:1000;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.cookie-content{max-width:800px;margin:0 auto;padding:1.25rem;display:flex;flex-direction:column;gap:1rem}@media(min-width:768px){.cookie-content{flex-direction:row;align-items:flex-start;gap:1.25rem}}.cookie-icon{font-size:2rem;display:none}@media(min-width:768px){.cookie-icon{display:block}}.cookie-text{flex:1}.cookie-text h3{font-size:1.1rem;margin-bottom:.5rem}.cookie-text>p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.details-toggle{background:none;border:none;color:var(--primary-color);font-size:.85rem;cursor:pointer;padding:0;margin-top:.5rem}.details-toggle:hover{text-decoration:underline}.cookie-details{margin-top:.75rem;padding:.75rem;background:var(--bg-color);border-radius:8px;font-size:.85rem}.cookie-type{margin-bottom:.5rem}.cookie-type:last-child{margin-bottom:0}.cookie-type strong{display:block;margin-bottom:.25rem}.cookie-type p{color:var(--text-secondary);margin:0}.cookie-actions{display:flex;flex-direction:column;gap:.5rem}@media(min-width:768px){.cookie-actions{flex-direction:column;min-width:160px}}.cookie-btn{padding:.75rem 1.25rem;font-size:.9rem;border-radius:8px;border:none;cursor:pointer;transition:all .2s ease;white-space:nowrap}.cookie-btn.primary{background:var(--primary-color);color:#fff}.cookie-btn.primary:hover{background:var(--primary-dark)}.cookie-btn.secondary{background:transparent;color:var(--text-color);border:1px solid var(--border-color)}.cookie-btn.secondary:hover{background:var(--hover-bg)}.install-prompt{position:fixed;bottom:1rem;left:1rem;right:1rem;background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 20px #0003;z-index:999;animation:slideUpFade .3s ease}@keyframes slideUpFade{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.install-content{display:flex;align-items:center;gap:1rem;padding:1rem}.install-icon{font-size:2rem}.install-text{flex:1}.install-text strong{display:block;margin-bottom:.25rem}.install-text p{font-size:.85rem;color:var(--text-secondary);margin:0}.install-actions{display:flex;gap:.5rem;align-items:center}.install-btn{padding:.5rem 1rem;background:var(--primary-color);color:#fff;border:none;border-radius:6px;font-size:.9rem;cursor:pointer;transition:background .2s ease}.install-btn:hover{background:var(--primary-dark)}.dismiss-btn{width:32px;height:32px;background:transparent;border:none;font-size:1.2rem;cursor:pointer;opacity:.6;transition:opacity .2s ease}.dismiss-btn:hover{opacity:1}@media(min-width:768px){.install-prompt{left:auto;right:1rem;max-width:400px}}