*{margin:0;padding:0;box-sizing:border-box}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--primary: #0d6efd;--primary-dark: #0a58ca;--secondary: #6c757d;--success: #198754;--success-dark: #146c43;--danger: #dc3545;--danger-dark: #b02a37;--warning: #ffc107;--warning-dark: #cc9a06;--info: #0dcaf0;--light: #f8f9fa;--dark: #212529;--purple: #6f42c1;--purple-dark: #5a32a3;--pink: #d63384;--pink-dark: #ab296a;--orange: #fd7e14;--orange-dark: #ca6510;--teal: #20c997;--teal-dark: #198754;--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-gradient-start: #e9ecef;--bg-gradient-end: #dee2e6;--text-primary: #212529;--text-secondary: #6c757d;--text-muted: #adb5bd;--border-color: #dee2e6;--shadow: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .15)}:root[data-theme=dark]{--primary: #6ea8fe;--primary-dark: #3d8bfd;--secondary: #6c757d;--success: #75b798;--success-dark: #52a076;--danger: #ea868f;--danger-dark: #b02a37;--warning: #ffda6a;--warning-dark: #cc9a06;--info: #6edff6;--light: #343a40;--dark: #f8f9fa;--purple: #a98eda;--purple-dark: #8b6dc9;--pink: #e685b5;--pink-dark: #d6679e;--orange: #fd9843;--orange-dark: #e67e14;--teal: #5dd4b4;--teal-dark: #3db896;--bg-primary: #212529;--bg-secondary: #343a40;--bg-gradient-start: #1a1d20;--bg-gradient-end: #2c3034;--text-primary: #f8f9fa;--text-secondary: #adb5bd;--text-muted: #6c757d;--border-color: #495057;--shadow: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .5)}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(135deg,var(--bg-gradient-start) 0%,var(--bg-gradient-end) 100%);background-attachment:fixed;color:var(--text-primary);transition:background .3s ease,color .3s ease}#root{min-height:100vh}.app{min-height:100vh;padding:1rem}.game-setup{margin:0 auto;text-align:center}.game-setup h1{display:flex;align-items:center;justify-content:center;gap:.75rem}.game-setup .title-logo{width:48px;height:48px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}.setup-form{display:flex;flex-direction:column;gap:1.5rem;align-items:center;margin:auto;background:var(--bg-primary);padding:2rem;border-radius:16px;border:2px solid var(--border-color);box-shadow:0 4px 6px var(--shadow);max-width:500px;position:relative}.back-button{position:absolute;top:1rem;left:1rem;padding:.5rem 1rem;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem;cursor:pointer;transition:all .3s ease;font-weight:500;z-index:10}.back-button:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translate(-2px)}.back-button:active{transform:translate(-2px) scale(.98)}@media(max-width:767px){.back-button{top:.75rem;left:.75rem;padding:.4rem .8rem;font-size:.9rem}}.game-setup h1{font-size:3rem;margin-top:.5rem;margin-bottom:.5rem;color:var(--primary)}@media(max-width:767px){.game-setup h1{margin-top:3.5rem}}.subtitle{font-size:1.2rem;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:500}.form-group label{display:block;font-weight:700;margin-bottom:1rem;font-size:1.1rem;color:var(--text-primary)}.form-group input[type=text]{padding:.75rem;width:250px;max-width:100%;border:2px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);border-radius:8px;font-size:1rem;transition:border-color .2s;display:block;margin:0 auto}.form-group input[type=text]:focus{outline:none;border-color:var(--primary)}.player-selector{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap}.player-selector button{padding:.5rem 1rem;border:2px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);border-radius:8px;cursor:pointer;font-size:1rem;transition:all .2s}.player-selector button:hover{border-color:var(--primary);background:var(--bg-secondary)}.player-selector button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.player-names{display:flex;flex-direction:column;align-items:center;gap:.5rem}.player-names input{padding:.75rem;width:250px;border:2px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);border-radius:8px;font-size:1rem;transition:border-color .2s}.player-names input:focus{outline:none;border-color:var(--primary)}.start-button{padding:1rem 1.5rem;background:var(--success);color:#fff;border:none;border-radius:8px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 15px var(--shadow-lg)}.start-button:hover{transform:translateY(-2px);background:var(--success-dark);box-shadow:0 6px 20px var(--shadow-lg)}.mode-selector{display:flex;flex-direction:column;gap:1rem}.mode-button{padding:1.5rem;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:12px;font-size:1.2rem;font-weight:600;cursor:pointer;transition:all .3s;color:var(--text-primary)}.mode-button:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}.game-code-display h2,.game-code-display h3{margin:0 0 1rem;color:var(--text-primary)}.code{font-size:3rem;font-weight:700;letter-spacing:.5rem;padding:1rem 2rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border-radius:12px;margin:1rem 0;font-family:Courier New,monospace}.code.small{font-size:2rem;padding:.5rem 1rem}.copy-button{padding:.75rem 1.5rem;background:var(--success);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s}.copy-button:hover{background:var(--success-dark);transform:translateY(-2px)}.players-status h3{margin:0 0 1rem;color:var(--text-primary)}.player-list{display:flex;flex-direction:column;gap:.75rem}.player-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:8px;font-weight:600}.player-item.connected{background:var(--success);color:#fff;border-color:var(--success)}.player-item .status{font-size:1.2rem}.error{color:var(--danger);font-weight:600;margin-top:.5rem}.timeline{display:flex;align-items:center;gap:1rem;padding:1rem;overflow-x:auto;min-height:120px}.timeline.empty{justify-content:center;color:var(--text-secondary);font-style:italic}.timeline-year-group{display:flex;align-items:center;gap:1rem}.year-group-container{display:flex;flex-direction:column;align-items:center;gap:.5rem}.item-card{position:relative;color:#fff;padding:1rem;border-radius:8px;width:max-content;box-shadow:0 2px 4px var(--shadow);transition:transform .2s;max-width:200px;min-width:150px}.item-card:hover{transform:translateY(-2px)}.item-type-icon{position:absolute;top:-.75rem;left:-.5rem;font-size:1.5rem;text-shadow:var(--text-primary) 1px -1px 2px}.item-info{display:flex;flex-direction:column;gap:.3rem}.item-info .item-title{font-weight:700;font-size:1.2rem;text-align:end}.item-info .item-subtitle{font-size:.85rem;opacity:.9;text-align:end}.item-info .item-year{font-size:1.75rem;font-weight:700;margin-top:.5rem;text-align:start}.timeline-arrow{font-size:1.5rem;color:var(--primary);font-weight:700}.song-player{background:var(--bg-primary);padding:1.5rem;display:flex;align-items:center;justify-content:center;border-radius:16px;border:2px solid var(--border-color);box-shadow:0 4px 6px var(--shadow)}.play-button-container{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%}.play-button,.control-button{padding:.75rem 2rem;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-dark) 100%);color:#fff;border:none;border-radius:25px;font-size:1.25rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 15px #0f34604d;justify-content:center;width:100%;height:50px}.play-button:hover,.control-button:hover{transform:scale(1.05);box-shadow:0 6px 20px #0f346066}.play-icon{font-size:1.5rem;color:var(--primary)}.now-playing{display:flex;flex-direction:column;align-items:center;gap:1.5rem;width:100%}.now-playing p{color:var(--primary-dark);font-size:1.2rem;font-weight:700;margin:0}.music-bars{display:flex;gap:.5rem;align-items:flex-end;height:60px}.music-bars span{width:8px;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-dark) 100%);border-radius:4px;animation:musicBar 1s ease-in-out infinite}.music-bars.paused span{animation:none;height:20px}.music-bars span:nth-child(1){animation-delay:0s}.music-bars span:nth-child(2){animation-delay:.2s}.music-bars span:nth-child(3){animation-delay:.4s}.music-bars span:nth-child(4){animation-delay:.6s}@keyframes musicBar{0%,to{height:20px}50%{height:60px}}.image-hint{width:100%;max-width:800px;margin:0 auto;position:relative;aspect-ratio:16 / 9;background:var(--bg-secondary);border-radius:12px;overflow:hidden;box-shadow:0 4px 12px #0000001a}.image-loading,.image-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.spinner{width:48px;height:48px;border:4px solid var(--bg-secondary);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.backdrop-image{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s ease}.backdrop-image.loaded{opacity:1}.image-error p{font-size:1rem;text-align:center}@media(max-width:768px){.image-hint{max-width:100%}}.placement-buttons{margin:0 auto}.placement-instruction{text-align:center;font-weight:700;font-size:1.1rem;margin-bottom:1rem;color:var(--text-primary)}.button-grid{display:flex;align-items:center;justify-content:space-evenly;flex-wrap:wrap;gap:.75rem}.placement-button{padding:1rem 1.5rem;border:2px solid transparent;background:var(--bg-primary);border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s;box-shadow:0 2px 4px var(--shadow);color:var(--light)}.placement-button:hover{transform:translateY(-1px);box-shadow:0 4px 8px var(--shadow-lg)}.placement-button.first{background:var(--success)}.placement-button.first:hover{background:var(--success-dark)}.placement-button.before{background:var(--danger)}.placement-button.before:hover{background:var(--danger-dark)}.placement-button.between{background:var(--success)}.placement-button.between:hover{background:var(--success-dark)}.placement-button.after{background:var(--primary)}.placement-button.after:hover{background:var(--primary-dark)}.game-board{margin:0 auto;padding:0;max-width:1600px}@media(min-width:768px){.game-board{padding:2rem}}@media(max-width:767px){.game-header h1{margin-top:3rem}}.game-header{text-align:center}.game-header h1{font-size:2.5rem;color:var(--primary);margin-bottom:1rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.game-header .title-logo{width:48px;height:48px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}.game-content{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:768px){.game-content{grid-template-columns:auto 1fr}}.item-section{display:flex;flex-direction:column;gap:1.5rem;min-width:250px;width:100%}@media(min-width:768px){.item-section{width:300px;position:sticky;top:1rem;align-self:flex-start}}.timelines-section{background:var(--bg-primary);padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem;overflow-x:auto;border-radius:16px;border:2px solid var(--border-color);box-shadow:0 4px 6px var(--shadow)}.timelines-section>h3{margin-top:0;margin-bottom:0;color:var(--dark);font-size:1.5rem;border-bottom:2px solid var(--primary);padding-bottom:.5rem}.player-timeline-container{min-height:250px;padding:1rem;border-radius:8px;background:var(--bg-secondary);border:2px solid transparent;transition:all .5s cubic-bezier(.4,0,.2,1);animation:slideInFromPosition .6s cubic-bezier(.4,0,.2,1) forwards}@keyframes slideInFromPosition{0%{opacity:.5;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.player-timeline-container.active{border-color:var(--primary);background:linear-gradient(135deg,#e945600d,#0f34600d);box-shadow:0 2px 8px var(--shadow)}.player-timeline-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid #dee2e6}.player-timeline-header h4{margin:0;color:var(--primary-dark);font-size:1.2rem}.player-score{color:var(--primary);font-weight:700;font-size:1rem}.timeline-container{background:var(--bg-primary);padding:2rem;border-radius:12px;box-shadow:0 4px 6px var(--shadow)}.timeline-container h3{margin-top:0;color:var(--dark)}.result-message{display:flex;flex-direction:column;align-items:center;padding:2rem;border-radius:12px;color:#fff;text-align:center;position:relative}.result-icon{position:absolute;top:1rem;left:1rem;font-size:2.5rem;font-weight:700;line-height:1;text-shadow:rgba(0,0,0,.8) 2px 2px 4px}.result-message.correct{background:linear-gradient(135deg,var(--success) 0%,var(--success-dark) 100%)}.result-message.incorrect{background:linear-gradient(135deg,var(--danger) 0%,var(--danger-dark) 100%)}.result-cover{height:150px}.result-cover img{height:150px;border-radius:8px;box-shadow:0 4px 12px var(--shadow)}.result-content{width:100%}@media(max-width:767px){.result-message{flex-direction:row;align-items:center;text-align:left}.result-cover{margin-right:1.5rem}}@media(min-width:768px){.result-message{flex-direction:column;text-align:center;align-items:center}}.result-message h2{margin:0 0 1rem;font-size:2rem}.result-message p{margin:.5rem 0;font-size:1.1rem}@media(min-width:768px){.item-details{margin-top:1.5rem}}.item-details{padding-top:1rem;border-top:2px solid rgba(255,255,255,.3)}.item-details .item-title{font-size:1.5rem;font-weight:700;margin-bottom:.5rem}.item-details .item-subtitle{font-size:1.2rem;opacity:.9;margin-bottom:.5rem}.item-details .item-year{font-size:1.8rem;font-weight:700;margin-top:.5rem;line-height:1.8rem}.next-turn-button{padding:1rem 2rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border:none;border-radius:8px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;align-self:center;box-shadow:0 4px 15px var(--shadow)}.next-turn-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--shadow-lg)}.game-over{position:fixed;inset:0;background:var(--shadow-lg);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .5s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.winner-announcement{background:var(--bg-primary);padding:2rem;border-radius:16px;max-width:800px;max-height:90vh;overflow-y:auto;text-align:center;box-shadow:0 10px 40px var(--shadow);animation:slideUp .5s}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.winner-announcement h2{font-size:2rem;color:var(--primary-dark);margin:0 0 1rem}.winner-announcement h1{font-size:3rem;color:var(--primary);margin:0 0 1rem}.winner-announcement>p{font-size:1.2rem;color:var(--text-secondary);margin-bottom:2rem}.final-timeline h3{color:var(--text-primary)}.play-again-button{padding:1rem 1.5rem;background:linear-gradient(135deg,var(--success) 0%,var(--success-dark) 100%);color:#fff;border:none;border-radius:8px;font-size:1.3rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:1rem;box-shadow:0 4px 15px var(--shadow)}.play-again-button:hover{transform:scale(1.05);box-shadow:0 6px 20px var(--shadow-lg)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.turn-indicator{position:fixed;top:1rem;left:1rem;z-index:1000}.turn-badge{background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--border-color);border-radius:8px;padding:.5rem 1rem;font-size:1rem;font-weight:600;transition:all .3s ease;box-shadow:0 2px 8px var(--shadow);display:inline-flex;align-items:center;gap:.5rem;white-space:nowrap;min-height:45px;max-width:100%}.turn-badge.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px var(--shadow-lg);animation:pulse 2s ease-in-out infinite}.turn-badge.waiting{background:var(--bg-primary);color:var(--text-primary);border-color:var(--text-secondary)}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 4px 12px var(--shadow-lg)}50%{transform:scale(1.05);box-shadow:0 6px 16px var(--shadow-lg)}}@media(max-width:767px){.turn-badge{font-size:.9rem;padding:.4rem .8rem}}.language-selector{display:flex;gap:.5rem}.language-button{background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--primary);border-radius:8px;padding:.5rem 1rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px var(--shadow);outline:none;min-width:70px}.language-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow-lg);background:var(--bg-secondary)}.language-button.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px var(--shadow-lg)}.language-button:active{transform:translateY(0)}.theme-toggle{padding:.5rem 1rem;background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--border-color);border-radius:8px;font-size:1.2rem;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 4px var(--shadow)}.theme-toggle:hover{background:var(--bg-secondary);transform:translateY(-2px);box-shadow:0 4px 8px var(--shadow)}.theme-toggle:active{transform:translateY(0)}.auth-guard{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative}.auth-controls{position:fixed;top:1.5rem;right:1.5rem;display:flex;gap:.75rem;z-index:100}.auth-box{background:var(--bg-primary);padding:3rem 2rem;min-width:350px;text-align:center;border-radius:16px;border:2px solid var(--border-color);box-shadow:0 4px 6px var(--shadow)}.auth-box h1{margin:0 0 .5rem;font-size:2.5rem;color:var(--text-primary);display:flex;align-items:center;justify-content:center;gap:.75rem}.auth-box .title-logo{width:48px;height:48px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}.auth-box>p{margin:0 0 2rem;color:var(--text-secondary);font-size:.95rem}.auth-box form{display:flex;flex-direction:column;gap:1rem}.auth-box input{padding:.75rem 1rem;font-size:1rem;border:2px solid var(--border-color);border-radius:8px;background:var(--bg-secondary);color:var(--text-primary);outline:none;transition:all .2s}.auth-box input::placeholder{color:var(--text-secondary);opacity:.7}.auth-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #0d6efd1a;background:var(--bg-primary)}.auth-box button{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .3s}.auth-box button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.auth-box .error{color:var(--danger);font-size:.9rem;margin:-.5rem 0 0}.app{width:100%;min-height:100vh}.top-controls{position:fixed;top:1rem;left:1rem;right:1rem;display:flex;align-items:center;z-index:500;pointer-events:none}.top-controls>*{pointer-events:auto}.top-controls-right{display:flex;gap:.5rem;margin-left:auto;min-height:45px}