.app-header{box-sizing:border-box;width:100%;padding:20px 30px}.app-header__inner{justify-content:space-between;align-items:center;gap:20px;max-width:1200px;margin:0 auto;display:flex}.app-header__logo{color:#fff;letter-spacing:1px;white-space:nowrap;font-size:28px;font-weight:800;text-decoration:none}.app-header__admin-link{color:#a5b4fc;letter-spacing:.02em;background:#6366f11f;border:1px solid #818cf873;border-radius:10px;justify-content:center;align-items:center;margin-left:auto;padding:8px 14px;font-size:14px;font-weight:700;text-decoration:none;transition:background .2s,border-color .2s,transform .2s;display:inline-flex;box-shadow:0 4px 16px #0000002e}.app-header__admin-link:before{content:"⚙";margin-right:7px;font-size:13px}.app-header__admin-link:hover{background:#6366f138;border-color:#818cf8b3;transform:translateY(-1px)}.app-header__nav{align-items:center;gap:30px;display:flex}.app-header__link{color:#fff;white-space:nowrap;font-size:17px;font-weight:600;text-decoration:none}.app-header__link:hover{opacity:.8}.app-header__login{color:#000;white-space:nowrap;background:#0f0;border-radius:8px;justify-content:center;align-items:center;padding:10px 22px;font-size:16px;font-weight:700;text-decoration:none;transition:opacity .2s,transform .2s;display:inline-flex}.app-header__login:hover{opacity:.85;transform:translateY(-1px)}.app-header__account{position:relative}.app-header__account-button{color:#fff;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #fff3;border-radius:8px;align-items:center;gap:8px;padding:10px 14px;font-family:inherit;font-size:15px;font-weight:600;transition:background .2s;display:flex}.app-header__account-button:hover{background:#ffffff14}.app-header__arrow{font-size:14px;transition:transform .2s;display:inline-block}.app-header__arrow--open{transform:rotate(180deg)}.app-header__dropdown{z-index:1000;background:#151515;border:1px solid #ffffff26;border-radius:8px;min-width:180px;padding:6px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 8px 25px #00000059}.app-header__dropdown-item{box-sizing:border-box;color:#fff;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:6px;width:100%;padding:10px 12px;font-family:inherit;font-size:15px;text-decoration:none;display:block}.app-header__dropdown-item:hover{background:#ffffff14}.app-header__dropdown-logout{color:#ff6b6b}@media (width<=768px){.app-header{padding:18px 24px}.app-header__logo{font-size:24px}.app-header__nav{gap:18px}.app-header__link{font-size:15px}.app-header__admin-link{padding:7px 11px;font-size:13px}}@media (width<=600px){.app-header{padding:16px 20px}.app-header__inner{gap:10px}.app-header__logo{letter-spacing:.5px;font-size:20px}.app-header__nav{gap:8px}.app-header__admin-link{padding:7px 9px;font-size:12px}.app-header__admin-link:before{margin-right:4px;font-size:11px}.app-header__link{display:none}.app-header__login{padding:8px 14px;font-size:14px}.app-header__account-button{max-width:150px;padding:8px 10px;font-size:14px}.app-header__account-button>span:first-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.app-header__dropdown{min-width:170px}}@media (width<=380px){.app-header{padding:14px 16px}.app-header__logo{font-size:18px}.app-header__account-button{max-width:120px}}.app-header__language{color:inherit;cursor:pointer;background:0 0;border:1px solid #fff3;border-radius:6px;padding:6px 8px;font-size:13px}.app-header__language option{color:#111;background:#fff}.bottom-navigation{z-index:1000;box-sizing:border-box;-webkit-backdrop-filter:blur(18px);background:#0a0c10d1;border:1px solid #ffffff1f;border-radius:28px;width:calc(100% - 32px);max-width:720px;padding:8px;position:fixed;bottom:18px;left:50%;transform:translate(-50%);box-shadow:0 10px 35px #00000059,0 2px 10px #00000040}.bottom-navigation__inner{justify-content:space-between;align-items:center;gap:4px;width:100%;display:flex}.bottom-navigation__item{color:#ffffff8c;cursor:pointer;background:0 0;border:none;border-radius:20px;flex:1;justify-content:center;align-items:center;min-width:0;padding:8px;font-family:inherit;text-decoration:none;transition:color .2s,transform .2s;display:flex}.bottom-navigation__item:hover{color:#fff}.bottom-navigation__item--active{color:#fff;background:#ffffff2e;box-shadow:inset 0 1px #ffffff14,0 4px 12px #0000002e}.bottom-navigation__item:active{transform:scale(.95)}.bottom-navigation__icon{justify-content:center;align-items:center;width:42px;height:42px;font-size:21px;line-height:1;display:flex}.bottom-navigation__icon svg{width:22px;height:22px}.bottom-navigation__label{display:none}.bottom-navigation__logout{color:#ff6b6bcc}.bottom-navigation__logout:hover{color:#ff6b6b}body{padding-bottom:80px}@media (width<=600px){.bottom-navigation{width:calc(100% - 20px);padding:6px;bottom:12px}.bottom-navigation__inner{gap:2px}.bottom-navigation__item{padding:4px}.bottom-navigation__icon{width:38px;height:38px;font-size:19px}.bottom-navigation__icon svg{width:21px;height:21px}}.admin-layout{--admin-background:#09090f;--admin-surface:#11131c;--admin-surface-hover:#181b27;--admin-border:#ffffff1a;--admin-text:#fff;--admin-muted:#9ca3af;--admin-accent:#6366f1;--admin-accent-soft:#6366f129;background:var(--admin-background);min-height:calc(100vh - 64px);color:var(--admin-text);display:flex}.admin-sidebar{box-sizing:border-box;border-right:1px solid var(--admin-border);background:var(--admin-surface);flex-direction:column;width:250px;min-width:250px;height:calc(100vh - 64px);padding:1.5rem;display:flex;position:sticky;top:0}.admin-sidebar__header{margin-bottom:2rem}.admin-sidebar__eyebrow{letter-spacing:.12em;color:var(--admin-muted);font-size:.7rem;font-weight:800}.admin-sidebar__header h1{margin:.35rem 0 0;font-size:1.35rem}.admin-sidebar__nav{gap:.35rem;display:grid}.admin-sidebar__section{gap:.35rem;margin-top:1.25rem;display:grid}.admin-sidebar__section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--admin-muted);padding:0 .75rem .35rem;font-size:.7rem;font-weight:800}.admin-sidebar__link{box-sizing:border-box;min-height:42px;color:var(--admin-text);border-radius:10px;justify-content:space-between;align-items:center;gap:.5rem;padding:.65rem .75rem;font-weight:600;text-decoration:none;display:flex}.admin-sidebar__link:hover{background:var(--admin-surface-hover)}.admin-sidebar__link--active{background:var(--admin-accent-soft);color:#a5b4fc}.admin-sidebar__link--disabled{cursor:default;color:var(--admin-muted);opacity:.55}.admin-sidebar__link--disabled:hover{background:0 0}.admin-sidebar__link small{font-size:.65rem;font-weight:500}.admin-sidebar__footer{gap:.5rem;margin-top:auto;display:grid}.admin-sidebar__back-link,.admin-sidebar__logout{color:var(--admin-text);text-align:left;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:10px;padding:.65rem .75rem;text-decoration:none}.admin-sidebar__back-link:hover,.admin-sidebar__logout:hover{background:var(--admin-surface-hover)}.admin-layout__content{flex:1;min-width:0}.admin-page{max-width:1100px;margin:0 auto;padding:2rem}.admin-page__header{margin-bottom:1.5rem}.admin-page__header h1{margin-bottom:.5rem}.admin-page__header p{color:var(--admin-muted);margin:0}.admin-dashboard__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.admin-dashboard__card{box-sizing:border-box;border:1px solid var(--admin-border);background:var(--admin-surface);min-height:150px;color:var(--admin-text);border-radius:16px;align-items:flex-start;gap:1rem;padding:1.5rem;text-decoration:none;transition:transform .15s,border-color .15s,background .15s;display:flex;box-shadow:0 8px 30px #0003}.admin-dashboard__card:not(.admin-dashboard__card--disabled):hover{background:var(--admin-surface-hover);border-color:#6366f173;transform:translateY(-2px)}.admin-dashboard__card--disabled{color:var(--admin-muted);opacity:.5}.admin-dashboard__card-icon{font-size:1.75rem}.admin-dashboard__card strong,.admin-dashboard__card small{display:block}.admin-dashboard__card strong{color:var(--admin-text);margin-bottom:.35rem}.admin-dashboard__card small{color:var(--admin-muted);line-height:1.4}.admin-card{border:1px solid var(--admin-border);background:var(--admin-surface);color:var(--admin-text);border-radius:16px;gap:1.25rem;padding:1.5rem;display:grid;box-shadow:0 8px 30px #0003}.admin-card h2{margin:0}.admin-field{gap:.5rem;display:grid}.admin-field span{font-weight:600}.admin-field select,.admin-field input[type=file]{box-sizing:border-box;border:1px solid var(--admin-border);width:100%;color:var(--admin-text);background:#0b0d14;border-radius:10px;padding:.75rem}.admin-field small{color:var(--admin-muted)}.admin-image-preview{object-fit:cover;border-radius:12px;width:min(100%,500px);max-height:350px}.admin-submit{background:var(--admin-accent);color:#fff;cursor:pointer;border:0;border-radius:10px;width:fit-content;padding:.75rem 1.25rem;font-weight:700}.admin-submit:disabled{cursor:not-allowed;opacity:.5}.admin-message{border-radius:10px;margin:0;padding:.75rem 1rem}.admin-message--error{color:#fca5a5;background:#dc262626}.admin-message--success{color:#86efac;background:#16a34a26}.admin-jigsaw__toolbar{grid-template-columns:minmax(220px,320px) auto;align-items:end;margin-bottom:1.25rem}.admin-jigsaw__add{margin-bottom:1.5rem}.admin-jigsaw__list{margin-top:1.5rem}.admin-jigsaw__list-header{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.admin-jigsaw__list-header h2{margin:0}.admin-jigsaw__list-header span{color:var(--admin-muted);font-size:.9rem}.admin-jigsaw__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;display:grid}.admin-jigsaw__item{border:1px solid var(--admin-border);background:var(--admin-surface);border-radius:14px;overflow:hidden}.admin-jigsaw__image-button{cursor:pointer;background:#0b0d14;border:0;width:100%;padding:0;display:block}.admin-jigsaw__image-button img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .2s;display:block}.admin-jigsaw__image-button:hover img{transform:scale(1.03)}.admin-jigsaw__item-footer{justify-content:space-between;align-items:center;gap:.5rem;padding:.7rem .8rem;display:flex}.admin-jigsaw__actions{gap:.35rem;display:flex}.admin-jigsaw__actions button{border:1px solid var(--admin-border);color:var(--admin-text);cursor:pointer;font:inherit;background:0 0;border-radius:7px;padding:.4rem .55rem;font-size:.78rem}.admin-jigsaw__actions button:hover{background:var(--admin-surface-hover)}.admin-jigsaw__actions .admin-jigsaw__delete{color:#fca5a5;border-color:#f871714d}.admin-jigsaw__actions button:disabled{cursor:not-allowed;opacity:.5}.admin-jigsaw__empty{text-align:center;color:var(--admin-muted)}.admin-jigsaw__modal{z-index:2000;cursor:pointer;background:#000000d1;justify-content:center;align-items:center;padding:2rem;display:flex;position:fixed;inset:0}.admin-jigsaw__modal-content{cursor:default;max-width:min(1000px,90vw);max-height:90vh;position:relative}.admin-jigsaw__modal-content img{object-fit:contain;border-radius:12px;max-width:100%;max-height:85vh;display:block}.admin-jigsaw__modal-close{border:1px solid var(--admin-border);background:var(--admin-surface);width:36px;height:36px;color:var(--admin-text);cursor:pointer;border-radius:50%;font-size:1.5rem;line-height:1;position:absolute;top:-42px;right:0}@media (width<=1000px){.admin-jigsaw__grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=800px){.admin-sidebar{width:210px;min-width:210px;padding:1rem}.admin-dashboard__grid{grid-template-columns:1fr}.admin-jigsaw__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-jigsaw__toolbar{grid-template-columns:1fr}}@media (width<=600px){.admin-layout{display:block}.admin-sidebar{border-right:0;border-bottom:1px solid var(--admin-border);width:100%;min-width:0;height:auto;position:static}.admin-sidebar__header{margin-bottom:1rem}.admin-sidebar__nav{flex-wrap:wrap;display:flex}.admin-sidebar__section{display:contents}.admin-sidebar__section-title{display:none}.admin-sidebar__footer{margin-top:1rem;display:flex}.admin-page{padding:1.25rem 1rem}.admin-jigsaw__grid{grid-template-columns:1fr 1fr;gap:.7rem}.admin-jigsaw__item-footer{flex-direction:column;align-items:flex-start}.admin-jigsaw__actions{width:100%}.admin-jigsaw__actions button{flex:1}.admin-jigsaw__modal{padding:1rem}.admin-jigsaw__modal-content{max-width:100%}}.home-page{box-sizing:border-box;width:100%;min-height:calc(100vh - 80px);padding:30px 20px 110px}.home-container{width:100%;max-width:900px;margin:0 auto}.home-hero h1{color:#fff;margin:0;font-size:32px;font-weight:700}.home-hero p{color:#fff9;margin:8px 0 28px;font-size:16px}.home-games{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:24px;display:grid}.home-game-card{box-sizing:border-box;color:#fff;text-align:left;cursor:pointer;-webkit-backdrop-filter:blur(12px);background:#ffffff12;border:1px solid #ffffff1f;border-radius:20px;align-items:center;gap:16px;width:100%;min-height:150px;padding:24px;font-family:inherit;transition:background .2s,border-color .2s,transform .2s;display:flex;position:relative}.home-game-card:hover{background:#ffffff1f;border-color:#ffffff38;transform:translateY(-2px)}.home-game-card:active{transform:translateY(0)}.home-game-card__icon{background:#ffffff1a;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:58px;height:58px;font-size:30px;display:flex}.home-game-card__content{flex-direction:column;gap:6px;min-width:0;display:flex}.home-game-card__content strong{font-size:20px}.home-game-card__content span{color:#ffffff94;font-size:14px;line-height:1.45}.home-game-card__arrow{color:#fff9;margin-left:auto;font-size:24px}.home-stats{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px;display:grid}.home-stats>div{box-sizing:border-box;-webkit-backdrop-filter:blur(12px);background:#ffffff0f;border:1px solid #ffffff1a;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;min-height:110px;padding:18px;display:flex}.home-stats span{margin-bottom:8px;font-size:26px}.home-stats strong{color:#fff;font-size:24px}.home-stats small{color:#ffffff80;margin-top:4px;font-size:13px}.home-links{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:30px;display:grid}.home-links button{color:#fffc;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:14px;padding:14px 12px;font-family:inherit;font-size:14px;transition:background .2s,color .2s}.home-links button:hover{color:#fff;background:#ffffff1a}.home-quiz-sections{grid-template-columns:1fr 1fr;align-items:start;gap:20px;display:grid}.home-recent-results h2,.home-paused-quizzes h2{color:#fff;margin:0 0 14px;font-size:20px}.home-recent-result,.home-paused-quiz{background:#ffffff0d;border:1px solid #ffffff14;border-radius:14px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:10px;padding:15px 16px;display:flex}.home-recent-result>div,.home-paused-quiz>div{flex-direction:column;gap:4px;min-width:0;display:flex}.home-recent-result strong,.home-paused-quiz strong{color:#fff;font-size:15px}.home-recent-result span,.home-paused-quiz span{color:#ffffff80;font-size:13px}.home-recent-result>strong{flex-shrink:0;font-size:18px}.home-paused-quiz button{color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #ffffff1f;border-radius:10px;flex-shrink:0;padding:9px 14px;font-family:inherit;font-size:13px;font-weight:600;transition:background .2s,transform .2s}.home-paused-quiz button:hover{background:#ffffff2e;transform:translateY(-1px)}@media (width<=600px){.home-page{padding:24px 16px 100px}.home-hero h1{font-size:28px}.home-games,.home-stats,.home-links{grid-template-columns:1fr}.home-games{gap:10px}.home-game-card{min-height:120px;padding:18px}.home-game-card__icon{width:50px;height:50px;font-size:26px}.home-game-card__content strong{font-size:18px}.home-stats{gap:10px}.home-stats>div{min-height:90px}.home-quiz-sections{grid-template-columns:1fr;gap:0}.home-paused-quiz{align-items:flex-start}.home-paused-quiz button{padding:8px 12px}}.api-error-message{box-sizing:border-box;color:#ffb3b3;background:#ff6b6b14;border:1px solid #ff6b6b73;border-radius:10px;align-items:flex-start;gap:12px;width:100%;margin:20px 0;padding:14px 16px;display:flex}.api-error-message__icon{color:#ff6b6b;background:#ff6b6b26;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:14px;font-weight:700;display:flex}.api-error-message__text{line-height:1.5}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{color:#fff;background:#09090f;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}button{-webkit-tap-highlight-color:transparent}.error{color:#b91c1c;background:#fee2e2;border-radius:10px;padding:16px}.app-header{text-align:center;padding:60px 20px 40px}.app-header h1{margin:0;font-size:48px}.app-header p{margin-top:10px;font-size:20px}.app-content{max-width:1100px;margin:0 auto;padding:20px}.app-content h2{margin-bottom:30px}.auth-page{box-sizing:border-box;justify-content:center;align-items:center;min-height:calc(100vh - 90px);padding:40px 20px;display:flex}.auth-card{box-sizing:border-box;background:#fffffff2;border-radius:16px;width:100%;max-width:450px;padding:40px}.auth-card h1{color:#111;text-align:center;margin:0 0 10px;font-size:32px}.auth-subtitle{color:#555;text-align:center;margin:0 0 30px}.auth-form{flex-direction:column;gap:20px;display:flex}.auth-field{flex-direction:column;gap:8px;display:flex}.auth-field label{color:#111;font-size:15px;font-weight:600}.auth-field input{box-sizing:border-box;color:#111;background:#fff;border:1px solid #ccc;border-radius:8px;outline:none;width:100%;padding:13px 14px;font-size:16px}.auth-field input:focus{border-color:#0c0}.auth-submit{color:#000;cursor:pointer;background:#0f0;border:none;border-radius:8px;width:100%;padding:13px 20px;font-size:16px;font-weight:700;transition:opacity .2s,transform .2s}.auth-submit:hover:not(:disabled){opacity:.85;transform:translateY(-1px)}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-error{color:#b00020;background:#ffe5e5;border-radius:8px;padding:12px 14px;font-size:14px}.auth-footer{color:#555;text-align:center;margin:25px 0 0;font-size:14px}.auth-footer a{color:#080;font-weight:700;text-decoration:none}.auth-footer a:hover{text-decoration:underline}@media (width<=600px){.auth-page{min-height:calc(100vh - 70px);padding:25px 16px}.auth-card{border-radius:12px;padding:30px 22px}.auth-card h1{font-size:26px}}.auth-success{color:#0f0;background:#00ff001a;border-radius:6px;padding:12px 14px;font-size:14px}.profile-section{border-top:1px solid #ffffff26;margin-top:40px;padding-top:30px}.profile-section h2{color:#000;margin:0 0 20px;font-size:22px}.quiz-question--fact{margin-top:10px}.quiz-fact{background:#ffffff0a;border:1px solid #ffffff1a;border-radius:18px;overflow:hidden}.quiz-fact__image{object-fit:cover;width:200px;height:200px;margin-left:auto;margin-right:auto;display:block}.quiz-fact__content{padding:24px}.quiz-fact__content h2{color:#fff;margin:0 0 22px;font-size:26px;line-height:1.35}.quiz-fact__answer{background:#00ff0012;border-left:3px solid #0f0;border-radius:10px;flex-direction:column;gap:7px;padding:16px 18px;display:flex}.quiz-fact__answer span{color:#ffffff8c;text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:600}.quiz-fact__answer strong{color:#fff;font-size:20px;line-height:1.4}.quiz-question--question-answer{margin-top:10px}.quiz-question-answer{background:#ffffff0a;border:1px solid #ffffff1a;border-radius:18px;overflow:hidden}.quiz-question-answer__row{border-bottom:1px solid #ffffff1a;grid-template-columns:minmax(0,1fr) minmax(0,.65fr) 52px;display:grid}.quiz-question-answer__row:last-child{border-bottom:0}.quiz-question-answer__question,.quiz-question-answer__answer,.quiz-question-answer__audio{padding:18px 20px}.quiz-question-answer__question{border-right:1px solid #ffffff1a}.quiz-question-answer__question span,.quiz-question-answer__answer span{color:#ffffff8c;text-transform:uppercase;letter-spacing:.5px;margin-bottom:7px;font-size:12px;font-weight:600;display:block}.quiz-question-answer__question strong,.quiz-question-answer__answer strong{color:#fff;overflow-wrap:anywhere;font-size:18px;line-height:1.4}.quiz-question-answer__answer{background:#00ff0012}.quiz-question-answer__audio{background:#ffffff05;justify-content:center;align-items:center;padding:10px;display:flex}.quiz-question-answer__audio-button{cursor:pointer;background:#ffffff14;border:0;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-size:17px;transition:background .2s,transform .2s;display:flex}.quiz-question-answer__audio-button:hover{background:#ffffff29;transform:scale(1.05)}.quiz-question-answer__audio-button:active{transform:scale(.95)}@media (width<=600px){.quiz-fact__image{height:200px}.quiz-fact__content{padding:20px}.quiz-fact__content h2{font-size:22px}.quiz-fact__answer strong{font-size:18px}.quiz-question-answer__row{grid-template-columns:minmax(0,1fr) 44px}.quiz-question-answer__question{border-bottom:1px solid #ffffff1a;border-right:0;grid-column:1/-1}.quiz-question-answer__answer{grid-column:1}.quiz-question-answer__audio{grid-area:2/2}}.quiz-page{box-sizing:border-box;justify-content:center;align-items:flex-start;min-height:calc(100vh - 80px);padding:40px 20px;display:flex}.quiz-card{box-sizing:border-box;background:#151515;border:1px solid #ffffff1a;border-radius:16px;width:100%;max-width:800px;padding:40px;box-shadow:0 15px 40px #00000059}.quiz-header{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:30px;display:flex}.quiz-header h1{color:#fff;margin:12px 0 0;font-size:32px;line-height:1.2}.quiz-difficulty{color:#0f0;text-transform:uppercase;letter-spacing:.5px;background:#00ff001f;border-radius:20px;padding:5px 10px;font-size:13px;font-weight:700;display:inline-block}.quiz-progress{color:#fff9;flex-shrink:0;font-size:14px;font-weight:600}.quiz-progress-bar{background:#ffffff1a;border-radius:999px;width:100%;height:6px;margin-bottom:35px;overflow:hidden}.quiz-progress-bar__fill{background:#0f0;border-radius:999px;height:100%;transition:width .3s}.quiz-question h2{color:#fff;margin:30px 0;font-size:24px;line-height:1.4}.quiz-answers{flex-direction:column;gap:12px;display:flex}.quiz-answer{color:#fff;text-align:left;cursor:pointer;background:#1d1d1d;border:1px solid #ffffff26;border-radius:10px;width:100%;padding:18px 20px;font-family:inherit;font-size:16px;font-weight:500;transition:background .2s,border-color .2s,transform .2s,opacity .2s}.quiz-answer:hover:not(:disabled){background:#252525;border-color:#ffffff4d;transform:translateY(-1px)}.quiz-answer:disabled{cursor:default}.quiz-answer--selected{color:#0f0;background:#00ff001a;border-color:#0f0}.quiz-result{border-radius:10px;margin-top:25px;padding:20px}.quiz-result--correct{background:#00ff0014;border:1px solid #0f06}.quiz-result--incorrect{background:#ff6b6b14;border:1px solid #ff6b6b66}.quiz-result h2{color:#fff;margin:0 0 12px;font-size:22px}.quiz-result p{color:#ffffffbf;margin:0;line-height:1.6}.quiz-footer{justify-content:flex-end;margin-top:35px;display:flex}.quiz-next{color:#000;cursor:pointer;background:#0f0;border:none;border-radius:8px;min-width:130px;padding:12px 24px;font-family:inherit;font-size:16px;font-weight:700;transition:opacity .2s,transform .2s}.quiz-next:hover:not(:disabled){opacity:.85;transform:translateY(-1px)}.quiz-next:disabled{opacity:.35;cursor:not-allowed}.quiz-quit-container{text-align:left;width:100%;margin-top:20px}.quiz-quit-button{color:#ffffffbf;cursor:pointer;background:#ffffff0f;border:1px solid #fff3;border-radius:8px;margin-top:0;padding:10px 18px;font-size:14px;font-weight:600;transition:background .2s,color .2s,border-color .2s}.quiz-quit-button:hover{color:#fff;background:#ffffff1a;border-color:#ffffff4d}.quiz-score{color:#ffffffe6;background:#ffffff14;border:1px solid #ffffff1f;border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;font-weight:600;display:inline-flex}.quiz-best-score{color:#ffc107e6;background:#ffc1071a;border:1px solid #ffc10740;border-radius:8px;align-items:center;gap:6px;margin-top:6px;margin-left:6px;padding:6px 12px;font-size:13px;font-weight:600;display:inline-flex}.quiz-intro,.quiz-description{color:#ffffffb3;line-height:1.6}.quiz-info{color:#fff9;gap:20px;margin-top:25px;font-size:14px;display:flex}.quiz-header__right{flex-direction:column;align-items:flex-end;gap:12px;display:flex}.quiz-timer{color:#ffffffb3;align-items:center;gap:8px;font-size:14px;display:flex}.quiz-timer strong{color:#0f0;text-align:center;background:#00ff001f;border-radius:20px;min-width:45px;padding:5px 10px;font-size:14px}.quiz-result--incorrect{border-color:#ff6b6b66}@media (width<=600px){.quiz-page{padding:25px 15px}.quiz-card{border-radius:12px;padding:25px 20px}.quiz-header{flex-direction:column;gap:15px;margin-bottom:25px}.quiz-header h1{font-size:25px}.quiz-progress{align-self:flex-start}.quiz-progress-bar{margin-bottom:25px}.quiz-question h2{margin-bottom:25px;font-size:20px}.quiz-answer{padding:15px;font-size:15px}.quiz-result{padding:18px}.quiz-result h2{font-size:20px}.quiz-footer{margin-top:25px}.quiz-next{width:100%}.quiz-header__right{flex-direction:row;justify-content:space-between;align-items:center;width:100%}}.quiz-result-card{text-align:center}.quiz-result-header{margin-bottom:35px}.quiz-result-header h1{color:#fff;margin:15px 0 8px;font-size:32px}.quiz-result-header p{color:#fff9;margin:0;font-size:16px}.quiz-final-score{justify-content:center;align-items:baseline;gap:8px;margin:30px 0 15px;display:flex}.quiz-final-score__value{color:#0f0;font-size:64px;font-weight:800;line-height:1}.quiz-final-score__separator{color:#fff6;font-size:40px}.quiz-final-score__total{color:#fff;font-size:40px;font-weight:700}.quiz-final-message{color:#ffffffb3;margin:0 0 35px;line-height:1.6}.quiz-result-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.quiz-result-secondary{color:#fff;cursor:pointer;background:0 0;border:1px solid #fff3;border-radius:8px;min-width:180px;padding:12px 24px;font-family:inherit;font-size:16px;font-weight:700;transition:background .2s,border-color .2s}.quiz-result-secondary:hover{background:#ffffff14;border-color:#ffffff59}@media (width<=600px){.quiz-result-header h1{font-size:26px}.quiz-final-score__value{font-size:52px}.quiz-final-score__total{font-size:34px}.quiz-result-actions{flex-direction:column}.quiz-result-actions .quiz-next,.quiz-result-secondary{width:100%}}@keyframes quizAnswerEnter{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.quiz-answer--entering{opacity:0;animation:.4s ease-out forwards quizAnswerEnter}@keyframes quizResultEnter{0%{opacity:0;transform:scale(.85)translateY(10px)}60%{opacity:1;transform:scale(1.03)translateY(0)}to{opacity:1;transform:scale(1)translateY(0)}}.quiz-result--animate{animation:.45s ease-out quizResultEnter}@keyframes quizIncorrectEnter{0%{opacity:0;transform:scale(.85)translateY(10px)}50%{opacity:1;transform:scale(1.02)translate(-3px)}65%{transform:scale(1.02)translate(3px)}80%{transform:scale(1.01)translate(-2px)}to{opacity:1;transform:scale(1)translate(0)}}.quiz-result--incorrect.quiz-result--animate{animation:.5s ease-out quizIncorrectEnter}@keyframes quizTimerTick{0%{opacity:.5;transform:scale(.85)}60%{opacity:1;transform:scale(1.12)}to{opacity:1;transform:scale(1)}}.quiz-timer__value{animation:.35s ease-out quizTimerTick;display:inline-block}@keyframes quizTimerWarning{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}.quiz-timer--warning .quiz-timer__value{animation:.35s ease-out quizTimerTick,.6s ease-in-out quizTimerWarning}@keyframes quizTimerExpired{0%{opacity:1;transform:scale(1)}40%{opacity:1;transform:scale(1.3)}to{opacity:.7;transform:scale(.9)}}.quiz-timer--expired .quiz-timer__value{animation:.45s ease-out quizTimerExpired}.quiz-question{animation-fill-mode:both}@keyframes quizQuestionLeave{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(-35px)}}.quiz-question--leaving{animation:.3s ease-in forwards quizQuestionLeave}@keyframes quizQuestionEnter{0%{opacity:0;transform:translate(35px)}to{opacity:1;transform:translate(0)}}.quiz-question--entering{animation:.45s ease-out forwards quizQuestionEnter}@keyframes quizResultCardEnter{0%{opacity:0;transform:translateY(30px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.quiz-result-card--animate{animation:.6s ease-out forwards quizResultCardEnter}@keyframes quizFinalTitleEnter{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.quiz-final-title{animation:.5s ease-out .15s both quizFinalTitleEnter}.quiz-final-subtitle{animation:.5s ease-out .25s both quizFinalTitleEnter}@keyframes quizFinalScoreEnter{0%{opacity:0;transform:scale(.5)}60%{opacity:1;transform:scale(1.15)}to{opacity:1;transform:scale(1)}}.quiz-final-score{animation:.7s ease-out .35s both quizFinalScoreEnter}@keyframes quizFinalContentEnter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.quiz-final-message{animation:.5s ease-out .65s both quizFinalContentEnter}.quiz-result-actions{animation:.5s ease-out .8s both quizFinalContentEnter}.quiz-final-percentage{margin-top:8px;font-size:24px;font-weight:700}.quiz-final-xp-section{margin-top:28px}.quiz-final-xp{flex-direction:column;align-items:center;margin-bottom:20px;display:flex}.quiz-final-xp__value{font-size:36px;font-weight:800}.quiz-final-xp__label{text-transform:uppercase;letter-spacing:.08em;opacity:.6;margin-top:2px;font-size:13px}.quiz-final-xp-breakdown{text-align:left;background:#80808014;border-radius:14px;padding:16px 18px}.quiz-final-xp-row{justify-content:space-between;align-items:center;gap:16px;padding:7px 0;font-size:14px;display:flex}.quiz-final-xp-row strong{white-space:nowrap}.quiz-final-xp-row--perfect{border-top:1px solid #80808026;margin-top:6px;padding-top:13px;font-weight:700}.quiz-question__image{object-fit:contain;border-radius:12px;width:auto;max-width:280px;max-height:180px;margin:0 auto 10px;display:block}.quiz-question__visual-colors{justify-content:center;align-items:center;gap:28px;margin:30px 0;display:flex}.quiz-question__color-block{border:3px solid #0000001f;border-radius:18px;width:110px;height:110px;transition:transform .25s,box-shadow .25s;animation:.4s both colorBlockAppear;box-shadow:0 6px 16px #0000001f}.quiz-question__color-block:nth-child(2){animation-delay:.1s}@keyframes colorBlockAppear{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.statistics-page{min-height:calc(100vh - 90px);padding:40px 20px 60px}.statistics-container{width:100%;max-width:1000px;margin:0 auto}.statistics-container h1{color:#fff;margin:0;font-size:36px;font-weight:800}.statistics-subtitle{color:#ffffffa6;margin:10px 0 35px;font-size:17px}.statistics-cards{grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:35px;display:grid}.statistics-card{background:#151515;border:1px solid #ffffff26;border-radius:12px;flex-direction:column;gap:8px;padding:24px;display:flex}.statistics-card__icon{font-size:24px}.statistics-card__label{color:#ffffffa6;font-size:14px}.statistics-card strong{color:#fff;font-size:30px;line-height:1}.statistics-section{margin-bottom:35px}.statistics-section h2{color:#fff;margin:0 0 16px;font-size:22px}.performance-chart{background:#151515;border:1px solid #ffffff26;border-radius:12px;justify-content:space-around;align-items:flex-end;gap:20px;height:300px;padding:25px 20px 15px;display:flex}.performance-chart__item{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;max-width:90px;height:100%;display:flex}.performance-chart__value{color:#ffffffbf;margin-bottom:8px;font-size:13px}.performance-chart__bar-wrapper{align-items:flex-end;width:100%;height:200px;display:flex}.performance-chart__bar{background:#0f0;border-radius:8px 8px 3px 3px;width:100%;min-height:8px}.performance-chart__day{color:#ffffff8c;margin-top:10px;font-size:13px}.recent-results{flex-direction:column;gap:10px;display:flex}.recent-result{background:#151515;border:1px solid #ffffff26;border-radius:10px;justify-content:space-between;align-items:center;gap:20px;padding:18px 20px;display:flex}.recent-result__info{flex-direction:column;gap:5px;min-width:0;display:flex}.recent-result__info strong{color:#fff;text-overflow:ellipsis;white-space:nowrap;font-size:16px;overflow:hidden}.recent-result__info span{color:#ffffff8c;font-size:14px}.recent-result__percentage{color:#0f0;flex-shrink:0;font-size:18px}.statistics-error{color:#ff6b6b;font-size:16px}@media (width<=700px){.statistics-page{padding:30px 16px 50px}.statistics-container h1{font-size:30px}.statistics-cards{grid-template-columns:1fr}.performance-chart{gap:10px;height:260px;padding:20px 12px 15px}.performance-chart__bar-wrapper{height:165px}.recent-result{padding:15px}}.category-page{box-sizing:border-box;min-height:calc(100vh - 90px);padding:40px 20px}.category-container{width:100%;max-width:1000px;margin:0 auto}.category-container h1{color:#fff;margin:0;font-size:36px;font-weight:800}.category-subtitle{color:#ffffffa6;margin:10px 0 35px;font-size:17px}.category-section{margin-bottom:35px}.category-section h2{color:#fff;margin:0 0 16px;font-size:22px}.category-grid{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.category-button,.difficulty-button{color:#fff;cursor:pointer;background:#151515;border:1px solid #ffffff26;border-radius:10px;padding:18px;font-family:inherit;font-size:16px;font-weight:600;transition:background .2s,border-color .2s,transform .2s}.category-button:hover,.difficulty-button:hover{background:#ffffff14;transform:translateY(-1px)}.category-button.selected,.difficulty-button.selected{color:#000;background:#0f0;border-color:#0f0}.difficulty-list{gap:12px;display:flex}.difficulty-button{min-width:120px}.start-quiz-button{color:#000;cursor:pointer;background:#0f0;border:none;border-radius:8px;width:100%;padding:14px 20px;font-family:inherit;font-size:17px;font-weight:700;transition:opacity .2s,transform .2s}.start-quiz-button:hover:not(:disabled){opacity:.85;transform:translateY(-1px)}.start-quiz-button:disabled{opacity:.35;cursor:not-allowed}.category-error{color:#ff6b6b}@media (width<=700px){.category-page{padding:30px 16px}.category-container h1{font-size:30px}.category-grid{grid-template-columns:repeat(2,1fr)}.difficulty-list{flex-direction:column}.difficulty-button{width:100%}}@media (width<=450px){.category-grid{grid-template-columns:1fr}}.history-page{width:100%;max-width:700px;margin:0 auto;padding:30px 20px}.history-page h1{color:#fff;margin-bottom:24px;font-size:28px}.history-list{flex-direction:column;gap:12px;display:flex}.history-item{background:#ffffff0f;border:1px solid #ffffff1a;border-radius:12px;justify-content:space-between;align-items:center;gap:20px;padding:16px;display:flex}.history-item h2{color:#fff;margin:0 0 6px;font-size:16px}.history-item p{color:#fff9;margin:0;font-size:13px}.history-item>div:last-child{text-align:right;flex-shrink:0}.history-item strong{color:#fff;font-size:18px}.history-item strong+p{margin-top:4px}@media (width<=480px){.history-page{padding:24px 16px}.history-item{padding:14px}}.achievements-page{width:100%;max-width:900px;margin:0 auto;padding:30px 20px}.achievements-page h1{color:#fff;margin-bottom:24px;font-size:28px}.achievements-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.achievement-card{background:#ffffff0f;border:1px solid #ffffff1a;border-radius:12px;align-items:center;gap:16px;padding:18px;display:flex}.achievement-card__icon{background:#ffc1071f;border:1px solid #ffc10740;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:28px;display:flex}.achievement-card__content{min-width:0}.achievement-card__name{color:#fff;margin:0 0 6px;font-size:17px}.achievement-card__description{color:#ffffffa6;margin:0;font-size:13px;line-height:1.4}.achievement-card__date{color:#fff6;margin:8px 0 0;font-size:12px}@media (width<=600px){.achievements-page{padding:24px 16px}.achievements-grid{grid-template-columns:1fr}}.leaderboard-page{width:100%;max-width:700px;margin:0 auto;padding:30px 20px}.leaderboard-page h1{color:#fff;margin-bottom:24px;font-size:28px}.leaderboard-list{flex-direction:column;gap:10px;display:flex}.leaderboard-item{background:#ffffff0f;border:1px solid #ffffff1a;border-radius:12px;grid-template-columns:50px 1fr auto auto;align-items:center;gap:16px;padding:14px 16px;display:grid}.leaderboard-item__rank{color:#fff9;font-weight:700}.leaderboard-item__user{color:#fff;text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.leaderboard-item__level{color:#ffffff8c;font-size:13px}.leaderboard-item__xp{color:#fff;white-space:nowrap;font-size:15px;font-weight:700}@media (width<=600px){.leaderboard-page{padding:24px 16px}.leaderboard-item{grid-template-columns:36px 1fr auto;gap:10px}.leaderboard-item__level{display:none}}.puzzle-page{min-height:100vh;padding:32px 20px 100px}.puzzle-page__header{max-width:900px;margin:0 auto 20px}.puzzle-page__header h1{margin:0 0 8px}.puzzle-page__header p{opacity:.7;margin:0}.jigsaw-progress{max-width:900px;margin-top:20px}.jigsaw-progress__header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:7px;font-size:.8rem;display:flex}.jigsaw-progress__header span{opacity:.65;text-transform:uppercase;letter-spacing:.06em}.jigsaw-progress__header strong{font-variant-numeric:tabular-nums}.jigsaw-progress__track{background:#ffffff1a;border-radius:999px;width:100%;height:8px;overflow:hidden}.jigsaw-progress__fill{border-radius:inherit;background:#fffc;height:100%;transition:width .3s;display:block}.jigsaw-levels{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;max-width:900px;margin:28px auto 0;display:grid}.jigsaw-level-card{width:100%;color:inherit;text-align:left;font:inherit;cursor:pointer;background:#ffffff0f;border:1px solid #fff3;border-radius:16px;align-items:center;gap:14px;padding:16px;transition:transform .15s,background .15s,border-color .15s;display:flex}.jigsaw-level-card:hover:not(:disabled){background:#ffffff1a;border-color:#ffffff73;transform:translateY(-2px)}.jigsaw-level-card.is-completed{border-color:#78dc9680}.jigsaw-level-card.is-locked{opacity:.45;cursor:not-allowed}.jigsaw-level-card__number{background:#ffffff1f;border-radius:12px;flex:0 0 44px;place-items:center;width:44px;height:44px;font-size:1.15rem;font-weight:800;display:grid}.jigsaw-level-card__content{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.jigsaw-level-card__content strong{font-size:1rem}.jigsaw-level-card__content span{opacity:.65;font-size:.82rem}.jigsaw-level-card__status{opacity:.8;font-size:1.1rem}.jigsaw-level-header__back{color:inherit;font:inherit;cursor:pointer;background:#ffffff0f;border:1px solid #fff3;border-radius:10px;margin-bottom:12px;padding:8px 12px}.jigsaw-level-header__back:hover{background:#ffffff1f}.jigsaw-level-puzzles{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;max-width:1100px;margin:28px auto 0;display:grid}.jigsaw-puzzle-card{aspect-ratio:1;color:inherit;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff2e;border-radius:14px;padding:0;position:relative;overflow:hidden}.jigsaw-puzzle-card img{object-fit:cover;width:100%;height:100%;transition:transform .18s;display:block}.jigsaw-puzzle-card:hover img{transform:scale(1.04)}.jigsaw-puzzle-card__overlay{text-align:left;background:linear-gradient(#0000,#000000d1);flex-direction:column;gap:3px;padding:12px;display:flex;position:absolute;inset:auto 0 0}.jigsaw-puzzle-card__overlay span{opacity:.8;font-size:.8rem}.jigsaw-puzzle-card.is-completed{border-color:#78dc96a6}.puzzle-preview-control{justify-content:center;margin:0 auto 20px;display:flex}.puzzle-preview-control__button{color:inherit;font:inherit;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff40;border-radius:10px;padding:8px 14px}.puzzle-board-wrapper{flex-direction:column;align-items:center;gap:20px;width:100%;display:flex}.puzzle-board__stats{justify-content:center;align-items:center;gap:24px;display:flex}.puzzle-board__stats>div{flex-direction:column;align-items:center;gap:2px;min-width:80px;display:flex}.puzzle-board__stats span{opacity:.65;text-transform:uppercase;letter-spacing:.06em;font-size:.75rem}.puzzle-board__stats strong{font-variant-numeric:tabular-nums;font-size:1.1rem}.puzzle-board__viewport{box-sizing:border-box;width:100%;max-width:1680px;margin:0 auto;padding:24px 0}.puzzle-board__workspace{touch-action:pan-y;-webkit-user-select:none;user-select:none;width:100%;margin:0 auto;position:relative;overflow:visible}.puzzle-board{touch-action:pan-y;-webkit-user-select:none;user-select:none;box-sizing:border-box;background:#0000000a;border:2px solid #fff;border-radius:24px;position:absolute;overflow:visible}.puzzle-board__piece{cursor:grab;touch-action:none;will-change:transform;z-index:2;transition:filter .12s,opacity .12s;position:absolute;top:0;left:0}.puzzle-board__piece:active,.puzzle-board__piece.is-dragging{cursor:grabbing;z-index:10;filter:drop-shadow(0 5px 8px #0006)}.puzzle-board__piece.is-dragging svg{filter:drop-shadow(0 0 2px #ffffffd9)}.puzzle-board__piece svg{pointer-events:none;display:block}.puzzle-board.is-complete{box-shadow:0 0 0 3px #fff3,0 0 32px #ffffff40}.puzzle-board__completion{z-index:20;color:#fff;text-align:center;pointer-events:none;background:#000000c7;border-radius:16px;flex-direction:column;align-items:center;gap:6px;padding:16px 24px;animation:.3s ease-out puzzle-completion-in;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.puzzle-board__completion strong{font-size:1.25rem}.puzzle-board__completion span{opacity:.85}.puzzle-board__restart{color:inherit;font:inherit;cursor:pointer;background:#ffffff14;border:1px solid #ffffff59;border-radius:10px;padding:10px 18px;transition:background .15s,border-color .15s,transform .15s}.puzzle-board__restart:hover{background:#ffffff24;border-color:#fff9}.puzzle-board__restart:active{transform:translateY(1px)}.jigsaw-next-level{justify-content:center;margin-top:4px;display:flex}.jigsaw-next-level__button{color:inherit;font:inherit;cursor:pointer;background:#ffffff24;border:1px solid #ffffff73;border-radius:12px;padding:12px 22px;font-weight:700}.puzzle-preview{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000d1;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.puzzle-preview__content{max-width:min(900px,94vw);max-height:90vh;position:relative}.puzzle-preview__image{border-radius:14px;width:auto;max-width:100%;max-height:90vh;display:block}.puzzle-preview__close{z-index:1;color:#fff;cursor:pointer;background:#000c;border:1px solid #ffffff80;border-radius:50%;width:36px;height:36px;padding:0;font-size:24px;line-height:1;position:absolute;top:-14px;right:-14px}@media (width<=640px){.puzzle-page{padding:24px 8px 72px}.puzzle-page__header{padding:0 8px}.jigsaw-levels{grid-template-columns:1fr;margin-top:20px}.jigsaw-level-puzzles{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}.jigsaw-level-card{padding:14px}.puzzle-board__viewport{max-width:100%;padding:16px 0}.puzzle-board__workspace{width:100%!important}}@keyframes puzzle-completion-in{0%{opacity:0;transform:translate(-50%,-50%)scale(.9)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}
