.crystal-container{width:120px;height:120px;position:relative;perspective:600px;display:flex;align-items:center;justify-content:center;margin:0 auto;transition:opacity .5s ease}.crystal{width:50px;height:80px;position:relative;transform-style:preserve-3d;animation:rotateCrystal infinite linear}.face{position:absolute;width:50px;height:80px;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%)}.front{transform:translateZ(25px)}.back{transform:rotateY(180deg) translateZ(25px)}.right{transform:rotateY(60deg) translateZ(25px)}.left{transform:rotateY(-60deg) translateZ(25px)}.top{transform:rotateY(120deg) translateZ(25px)}.bottom{transform:rotateY(-120deg) translateZ(25px)}@keyframes rotateCrystal{0%{transform:rotateX(-10deg) rotateY(0)}to{transform:rotateX(-10deg) rotateY(360deg)}}.crystal-glow{position:absolute;width:150px;height:150px;top:50%;left:50%;transform:translate(-50%,-50%);z-index:-1;pointer-events:none;transition:opacity .5s ease,background .5s ease}:root{--bg: #0a0a14;--s1: #14142a;--s2: #1c1c36;--s3: #25254a;--acc: #7b68ee;--acc-l: #9d8fff;--g: #00d4aa;--r: #ff5f7e;--y: #ffcc44;--txt: #f0eeff;--txt-2: rgba(240, 238, 255, .65);--txt-3: rgba(240, 238, 255, .4);--f: rgba(240, 238, 255, .08);--br: 14px;--br2: 10px;--br3: 6px;--nav-h: 64px;--vh: 1vh;--real-100vh: calc(var(--vh, 1vh) * 100);--tg-theme-bg-color: #0a0a14 !important;--tg-theme-secondary-bg-color: #14142a !important;--tg-theme-text-color: #f0eeff !important;--tg-theme-hint-color: rgba(240, 238, 255, .65) !important;--tg-theme-link-color: #9d8fff !important;--tg-theme-button-color: #7b68ee !important;--tg-theme-button-text-color: #ffffff !important;--tg-theme-section-bg-color: #14142a !important;--tg-theme-section-header-text-color: #f0eeff !important;--tg-theme-subtitle-text-color: rgba(240, 238, 255, .65) !important;--tg-theme-accent-text-color: #9d8fff !important;--tg-theme-destructive-text-color: #ff5f7e !important}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}html{height:100%;overscroll-behavior:none;background:var(--bg)}body{height:100%;background:var(--bg);color:var(--txt);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.5;overscroll-behavior:none}#root{height:100%;display:flex;flex-direction:column}button{font-family:inherit;cursor:pointer;border:none}a{color:inherit;text-decoration:none}input,textarea,select{font-family:inherit;outline:none;font-size:16px}.app{width:100%;height:var(--real-100vh);margin:0 auto;background:var(--bg);display:flex;flex-direction:column;position:relative}.app-content{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px))}.app-content::-webkit-scrollbar{display:none}.app-content{scrollbar-width:none}.header{padding:14px 20px 10px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;position:sticky;top:0;z-index:50;background:var(--bg)}.header-logo{font-family:Syne,Inter,sans-serif;font-weight:800;font-size:22px;letter-spacing:-.3px;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}.header-logo span{color:var(--acc)}.plan-pill{display:inline-flex;align-items:center;gap:6px;background:var(--s2);border:1px solid var(--f);border-radius:100px;padding:6px 12px;font-size:11px;font-weight:700;cursor:pointer;transition:all .15s;color:var(--txt)}.plan-pill:hover{border-color:var(--acc)}.nav{position:fixed;bottom:0;left:0;right:0;width:100%;height:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));background:rgba(10,10,20,.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--f);display:flex;align-items:flex-start;padding:6px 0 0;padding-bottom:env(safe-area-inset-bottom,0px);z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 1px;border-radius:10px;background:transparent;border:none;color:var(--txt-3);transition:color .15s,background .15s;min-height:44px;justify-content:center;min-width:0}.nav-item.active{color:var(--acc-l);background:rgba(123,104,238,.1)}.nav-item:active{transform:scale(.92)}.nav-icon{font-size:17px;line-height:1}.nav-label{font-size:9px;font-weight:700;letter-spacing:.1px;white-space:nowrap}.nav-6 .nav-item{padding:7px 0}.nav-6 .nav-icon{font-size:16px}.nav-6 .nav-label{font-size:8.5px}.card{background:var(--s1);border:1px solid var(--f);border-radius:var(--br);padding:16px;transition:transform .2s cubic-bezier(.25,.46,.45,.94),box-shadow .2s}.tilt-card{perspective:1000px;transform-style:preserve-3d}.tilt-card:active{transform:perspective(1000px) rotateX(4deg) scale(.98)}.glass{background:rgba(20,20,42,.55)!important;backdrop-filter:blur(20px)!important;-webkit-backdrop-filter:blur(20px)!important;border:1px solid rgba(240,238,255,.12)!important;box-shadow:0 10px 30px rgba(0,0,0,.5)!important}.section-title{font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--txt-2);padding:16px 20px 8px}.seg-tabs{display:flex;background:var(--s2);border:1px solid var(--f);border-radius:100px;padding:3px;gap:2px;margin-bottom:12px}.seg-tab{flex:1;background:transparent;border:none;color:var(--txt-2);font-size:12px;font-weight:700;padding:8px 10px;border-radius:100px;cursor:pointer;transition:all .2s}.seg-tab.active{background:var(--acc);color:#fff}.seg-tab:active{transform:scale(.97)}.skel-card{background:linear-gradient(90deg,var(--s2),var(--s1),var(--s2));background-size:200% 100%;animation:skel 1.5s infinite;border-radius:12px;height:80px;margin-bottom:8px}@keyframes skel{0%{background-position:200% 0}to{background-position:-200% 0}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 18px;border-radius:var(--br2);font-weight:700;font-size:13px;border:none;cursor:pointer;transition:all .15s;white-space:nowrap;min-height:44px;color:var(--txt);background:var(--s2)}.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.btn:active:not(:disabled){transform:scale(.96)}.btn-primary{background:var(--acc);color:#fff}.btn-primary:hover:not(:disabled){background:var(--acc-l)}.btn-success{background:var(--g);color:#002318}.btn-danger{background:var(--r);color:#fff}.btn-ghost{background:var(--s2);color:var(--txt);border:1px solid var(--f)}.btn-block{width:100%}.btn-sm{padding:7px 12px;font-size:11px;min-height:36px}.btn-lg{padding:14px 20px;font-size:14px}.input,.textarea,.select{width:100%;background:var(--s2);border:1px solid var(--f);border-radius:var(--br2);padding:11px 14px;color:var(--txt);font-size:16px;transition:border-color .15s}.input:focus,.textarea:focus,.select:focus{border-color:var(--acc)}.textarea{resize:none;min-height:80px;-webkit-overflow-scrolling:touch}.spin{width:22px;height:22px;border:2.5px solid var(--f);border-top-color:var(--acc);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.full-loader{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:40px;background:var(--bg);z-index:9999}.full-loader-text{font-family:Syne,Inter,sans-serif;font-weight:800;font-size:26px;letter-spacing:-.3px}.full-loader-text span{color:var(--acc)}.toast{position:fixed;bottom:calc(var(--nav-h) + 8px + env(safe-area-inset-bottom,0px));left:50%;transform:translate(-50%);background:var(--s2);border:1px solid var(--f);border-radius:var(--br2);padding:10px 18px;font-size:13px;font-weight:600;z-index:9999;animation:toastIn .25s ease;box-shadow:0 10px 30px rgba(0,0,0,.4);max-width:calc(100% - 40px);text-align:center;line-height:1.45;word-wrap:break-word;pointer-events:none}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%)}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:flex-end;justify-content:center;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--s1);border-radius:20px 20px 0 0;width:100%;padding-bottom:env(safe-area-inset-bottom,0px);max-height:90vh;overflow-y:auto;-webkit-overflow-scrolling:touch;animation:slideUp .28s cubic-bezier(.32,.72,0,1)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{padding:16px 20px;border-bottom:1px solid var(--f);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--s1);z-index:2}.modal-title{font-weight:800;font-size:17px}.modal-close{width:36px;height:36px;border-radius:50%;background:var(--s2);border:1px solid var(--f);color:var(--txt-2);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.modal-body{padding:18px 20px}.scroll-y{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.scroll-y::-webkit-scrollbar{display:none}.scroll-y{scrollbar-width:none}.grid-responsive,.list-container,.ombor-grid,.tests-list,.folders-grid,.materials-list{display:flex;flex-direction:column;gap:10px}.empty{padding:60px 20px;text-align:center;color:var(--txt-3);font-size:13px;line-height:1.7}.badge{display:inline-block;padding:3px 8px;border-radius:100px;font-size:10px;font-weight:700}.badge-purple{background:rgba(123,104,238,.15);color:var(--acc-l)}.badge-yellow{background:rgba(255,204,68,.15);color:var(--y)}.badge-green{background:rgba(0,212,170,.15);color:var(--g)}.badge-red{background:rgba(255,95,126,.15);color:var(--r)}.badge-gray{background:var(--f);color:var(--txt-2)}.badge-orange{background:rgba(255,159,67,.15);color:#ff9f43}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .25s ease 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env(safe-area-inset-bottom)){.nav{padding-bottom:8px}.modal{padding-bottom:0}}.text-clamp-1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-clamp-2{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis;word-break:break-word}.text-clamp-3{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;text-overflow:ellipsis;word-break:break-word}.markdown-body table{width:100%;border-collapse:collapse;margin-bottom:1em;font-size:.9em}.markdown-body th,.markdown-body td{border:1px solid var(--f);padding:8px 10px;text-align:left}.markdown-body th{background:var(--bg);font-weight:700}.markdown-body code{font-family:JetBrains Mono,Consolas,monospace;background:var(--bg);padding:2px 5px;border-radius:4px;font-size:.85em;color:var(--acc-l)}.markdown-body pre{background:var(--bg);border-radius:8px;padding:0;overflow-x:auto;margin-bottom:1em;border:1px solid var(--f)}.markdown-body pre div{background:transparent!important;margin:0!important}.markdown-body p,.markdown-body ul,.markdown-body ol{margin-bottom:1em;line-height:1.6}.markdown-body ul,.markdown-body ol{padding-left:24px}.markdown-body li{margin-bottom:.5em}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{margin-top:1.5em;margin-bottom:.7em;font-weight:800}.markdown-body h1{font-size:1.4em}.markdown-body h2{font-size:1.25em;border-bottom:1px solid var(--f);padding-bottom:4px}.markdown-body h3{font-size:1.1em}.markdown-body blockquote{border-left:3px solid var(--acc);padding-left:12px;color:var(--txt-2);margin-left:0;background:var(--bg);padding-top:8px;padding-bottom:8px;border-radius:0 8px 8px 0}@media (min-width: 768px){#root{display:flex;flex-direction:row;justify-content:center;background:#06060c}.app{width:100%;flex-direction:row!important;border-radius:0!important;box-shadow:none!important;background:transparent!important;overflow:hidden!important}.nav{position:relative!important;top:0;bottom:auto;left:auto!important;transform:none!important;width:260px!important;height:100vh;flex-direction:column!important;align-items:stretch!important;justify-content:flex-start!important;padding:30px 20px!important;border-right:1px solid rgba(240,238,255,.04)!important;border-top:none!important;max-width:none!important;background:rgba(15,15,25,.5)!important;backdrop-filter:blur(20px)!important;-webkit-backdrop-filter:blur(20px)!important;margin:0;flex-shrink:0}.nav-item{flex-direction:row!important;justify-content:flex-start!important;gap:16px!important;padding:14px 20px!important;min-height:48px!important;margin-bottom:8px;border-radius:12px!important}.nav-label{font-size:14px!important;font-weight:700!important}.nav-icon{font-size:20px!important}.app-content{padding-bottom:0!important;flex:1;min-height:100vh;background:var(--bg);overflow-x:hidden}.header{background:rgba(10,10,20,.8)!important;backdrop-filter:blur(12px);border-bottom:1px solid rgba(240,238,255,.04)}.modal-backdrop{align-items:center!important;padding:20px}.modal{border-radius:20px!important;max-width:500px}.grid-responsive,.list-container,.ombor-grid,.tests-list,.folders-grid{display:grid!important;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))!important;gap:16px!important;align-items:stretch}}.crystal-loader{width:80px;height:80px;position:relative;transform-style:preserve-3d;animation:crystalSpin 4s linear infinite;margin:0 auto}.crystal-loader.small{width:40px;height:40px}.crystal-face{position:absolute;width:100%;height:100%;background:rgba(0,212,170,.3);border:2px solid rgba(0,255,200,.8);box-shadow:0 0 20px rgba(0,212,170,.5) inset}.crystal-face.front{transform:translateZ(40px)}.crystal-face.back{transform:rotateY(180deg) translateZ(40px)}.crystal-face.right{transform:rotateY(90deg) translateZ(40px)}.crystal-face.left{transform:rotateY(-90deg) translateZ(40px)}.crystal-face.top{transform:rotateX(90deg) translateZ(40px);clip-path:polygon(50% 0%,0% 100%,100% 100%)}.crystal-face.bottom{transform:rotateX(-90deg) translateZ(40px);clip-path:polygon(50% 100%,0% 0%,100% 0%)}.crystal-loader.small .crystal-face.front{transform:translateZ(20px)}.crystal-loader.small .crystal-face.back{transform:rotateY(180deg) translateZ(20px)}.crystal-loader.small .crystal-face.right{transform:rotateY(90deg) translateZ(20px)}.crystal-loader.small .crystal-face.left{transform:rotateY(-90deg) translateZ(20px)}.crystal-loader.small .crystal-face.top{transform:rotateX(90deg) translateZ(20px)}.crystal-loader.small .crystal-face.bottom{transform:rotateX(-90deg) translateZ(20px)}@keyframes crystalSpin{0%{transform:rotateX(0) rotateY(0)}to{transform:rotateX(360deg) rotateY(360deg)}}.button-runaway{animation:runaway 4s cubic-bezier(.34,1.56,.64,1) forwards!important;pointer-events:none}@keyframes runaway{0%{transform:translate(0) scale(1)}20%{transform:translate(-30px,-10px) scale(1.1) rotate(-5deg)}50%{transform:translate(-50vw,-30vh) scale(.5) rotate(-30deg);opacity:0}to{transform:translate(-100vw,-50vh) scale(0) rotate(-60deg);opacity:0;display:none}}