@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap";:root{--bg: #121212;--bg-2: #161616;--panel: #1a1a1a;--panel-2: #202020;--text: #f2f2f2;--muted: #a3a3a3;--accent: #f2f2f2;--accent-hover: #ffffff;--accent-2: #f2f2f2;--danger: #ff7d7d;--good: #49c187;--border: #2b2b2b}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Manrope,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:radial-gradient(circle at 0% 0%,#1e1e1e 0%,var(--bg) 45%,var(--bg-2) 100%);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3{font-weight:800;letter-spacing:-.02em}.kicker,.score-big{font-weight:700}.service-shell{min-height:100vh;display:grid;grid-template-columns:180px minmax(0,1fr)}.service-sidebar{border-right:1px solid var(--border);background:linear-gradient(180deg,#1a1a1a,#171717);padding:1rem .7rem;display:grid;align-content:start;gap:1rem;position:sticky;top:0;height:100vh}.sidebar-brand{position:relative;text-align:center;padding-top:.75rem}.sidebar-brand h2{margin:0;font-size:1.35rem;letter-spacing:.05em;text-transform:uppercase;color:var(--text)}.sidebar-turtle{display:block;width:26px;height:26px;margin:0 auto -4px;background-color:var(--text);-webkit-mask:url(/assets/turtle-j7Z-fnEe.svg) center / contain no-repeat;mask:url(/assets/turtle-j7Z-fnEe.svg) center / contain no-repeat}.sidebar-nav{display:grid;gap:.55rem}.nav-item{border:1px solid var(--border);background:#1e1e1e;border-radius:12px;padding:.8rem .9rem;text-align:left;cursor:pointer;display:grid;gap:.18rem;color:var(--text);font-family:inherit;transition:all .16s ease}.nav-label{display:inline-flex;align-items:center;justify-content:flex-start;gap:.55rem;width:100%;font-weight:700}.nav-icon{width:1rem;height:1rem;min-width:1rem;min-height:1rem;flex-shrink:0;color:var(--text)}.nav-item em{font-style:normal;color:var(--muted);font-size:.8rem}.nav-item:hover{border-color:#3c3c3c;transform:translateY(-1px)}.nav-item.active{background:#252525;border-color:#575757}.service-main{max-width:980px;width:100%;margin:0 auto;padding:2rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:18px;box-shadow:0 18px 44px #00000059;padding:1.5rem;animation:fadeIn .26s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.service-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.service-header h2{margin:0;font-size:1.35rem}.kicker{color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-bottom:.4rem;font-size:.74rem}h1{margin:0 0 1rem;font-size:clamp(2rem,5vw,2.8rem)}.muted{color:var(--muted);line-height:1.5}.drop-zone{margin-top:1rem;border:2px dashed #3a3a3a;border-radius:14px;padding:clamp(1.5rem,4vw,2.2rem);text-align:center;cursor:pointer;transition:all .16s ease;background:linear-gradient(180deg,#1c1c1c,#191919)}.drop-zone:hover{border-color:#575757}.drop-zone.over{border-color:var(--accent);background:#222}.drop-icon{margin:0 auto .5rem;min-width:56px;width:fit-content;border-radius:999px;padding:.4rem;color:var(--accent);border:1px solid #3b3b3b;background:#151515;display:grid;place-items:center}.drop-icon-svg{width:1.4rem;height:1.4rem}.drop-icon-svg.spinning{animation:spin .9s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.drop-zone h2{margin:0;font-size:1.25rem}.drop-zone p{margin:.45rem 0 0;color:var(--muted)}.presets-section{margin-top:1rem;border:1px solid var(--border);border-radius:12px;background:#181818;padding:.8rem}.presets-head h3{margin:0 0 .6rem;font-size:.92rem;letter-spacing:.04em;text-transform:uppercase;color:#cfcfcf}.preset-list{display:grid;gap:.5rem}.preset-item{border:1px solid #343434;border-radius:10px;background:#1f1f1f;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:.75rem;text-align:left;font-family:inherit;padding:.65rem .75rem;cursor:pointer;transition:all .14s ease}.preset-item:hover{border-color:#5b5b5b;background:#242424}.preset-item span{font-size:.9rem;font-weight:700}.preset-item em{font-style:normal;color:var(--muted);font-size:.78rem}.json-details{margin-top:1rem}.json-details summary{cursor:pointer;color:var(--muted);font-size:.88rem}.json-details pre{margin-top:.8rem;background:#151515;border-radius:10px;border:1px solid var(--border);padding:1rem;overflow-x:auto;font-size:.83rem}.service-actions{margin-top:1rem;display:flex;justify-content:flex-end}.session-options{margin-top:.6rem;padding:1.2rem;border:1px solid var(--border);border-radius:12px;background:#1d1d1d}.field-label{margin:1.1rem 0 .45rem;display:block;color:var(--text);font-size:.86rem;font-weight:700}.text-input,input[type=range]{width:100%}.text-input{border-radius:10px;border:1px solid var(--border);background:#151515;color:var(--text);padding:.68rem .82rem;font-size:.88rem;transition:all .16s ease}.text-input:focus{outline:none;border-color:#6a6a6a}.slider-wrap{display:grid;gap:.35rem}.slider{--slider-width: 100%;--slider-height: 7px;--slider-bg: #2f2f2f;--slider-border-radius: 999px;--level-color: #e4e4e4;cursor:pointer;display:inline-flex;align-items:center;width:100%}.slider .level{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:var(--slider-width);height:var(--slider-height);background:var(--slider-bg);overflow:hidden;border-radius:var(--slider-border-radius);border:1px solid #3a3a3a;box-shadow:none;cursor:inherit}.slider .level::-webkit-slider-thumb{-webkit-appearance:none;width:0;height:0;border-radius:999px;background:transparent;border:0;box-shadow:-500px 0 0 500px var(--level-color)}.slider .level::-moz-range-track{height:var(--slider-height);background:var(--slider-bg);border-radius:var(--slider-border-radius)}.slider .level::-moz-range-progress{height:var(--slider-height);background:var(--level-color);border-radius:var(--slider-border-radius)}.slider .level::-moz-range-thumb{width:0;height:0;border:0;border-radius:0;background:transparent}.primary-btn,.secondary-btn,.seed-chip,.review-toggle{border:1px solid transparent;border-radius:10px;padding:.62rem .95rem;font-weight:700;font-size:.87rem;line-height:1.05;cursor:pointer;transition:all .16s ease;font-family:inherit}.btn-content{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;width:auto;line-height:1}.btn-icon{width:1.12rem;height:1.12rem;min-width:1.12rem;min-height:1.12rem;flex-shrink:0}.primary-btn{margin-top:1.1rem;background:var(--accent);color:#111;width:100%}.primary-btn:hover{background:var(--accent-hover);color:#111}.secondary-btn,.seed-chip,.review-toggle{background:#151515;color:var(--text);border-color:var(--border)}.secondary-btn:hover,.seed-chip:hover,.review-toggle:hover{border-color:#4b4b4b}.primary-btn:disabled,.secondary-btn:disabled{opacity:.5;cursor:not-allowed}.seed-chip-wrap{margin-top:.8rem}.seed-chip-list{display:flex;flex-wrap:wrap;gap:.45rem}.seed-chip{padding:.4rem .85rem;font-size:.8rem}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.seed-badge{border:1px solid var(--border);border-radius:10px;background:#171717;color:var(--text);padding:.5rem .8rem;display:grid;gap:.1rem;text-align:left;cursor:pointer;transition:all .16s ease}.seed-badge:hover{border-color:#4f4f4f}.seed-badge span,.seed-badge em{color:var(--muted);font-size:.75rem}.progress-wrap{margin:.6rem 0 1.2rem;border-radius:999px;background:#2a2a2a;height:8px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#ccc,#8f8f8f);transition:width .3s ease}.loading-shimmer{border:1px solid var(--border);border-radius:12px;padding:1.2rem;background:linear-gradient(90deg,#181818,#252525,#181818);background-size:200% 100%;animation:shimmer 1.4s ease-in-out infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.question-card{border:1px solid var(--border);border-radius:12px;padding:1.1rem;background:#1d1d1d}.question-meta{display:flex;justify-content:flex-start;margin-bottom:.65rem}.question-type-chip{border:1px solid #3f3f3f;color:#c8c8c8;border-radius:999px;padding:.2rem .6rem;font-size:.73rem;letter-spacing:.03em;text-transform:uppercase}.question-card h2{font-size:1.2rem;margin:0 0 1rem;line-height:1.45}.answers-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin-top:1rem}.answer-option{text-align:left;padding:.85rem;border-radius:10px;border:1px solid var(--border);background:#151515;color:var(--text);display:flex;gap:.6rem;align-items:center;cursor:pointer;transition:all .16s ease}.answer-option:hover{border-color:#555}.answer-option.selected{border-color:#787878;background:#232323}.answer-label{width:1.45rem;height:1.45rem;display:inline-grid;place-items:center;border-radius:4px;background:#2c2c2c;font-size:.75rem;font-weight:700;flex-shrink:0}.answer-option{min-height:64px}.quiz-nav,.results-actions{display:flex;gap:.65rem;flex-wrap:wrap;margin-top:1rem}.quiz-nav .primary-btn,.quiz-nav .secondary-btn{flex:1;min-width:120px;width:auto;margin-top:0;min-height:44px}.results-actions{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:flex-start}.results-actions .primary-btn,.results-actions .secondary-btn{width:auto;margin-top:0;min-height:36px;padding:.5rem .85rem;font-size:.8rem;flex:0 0 auto}.results-actions .btn-icon{width:1rem;height:1rem;min-width:1rem;min-height:1rem}.quiz-subtitle{margin:.35rem 0 0;color:var(--muted);font-size:.9rem}.results-top{display:flex;justify-content:space-between;align-items:center;gap:1.2rem;margin-bottom:1.1rem}.score-big{margin:0;font-size:clamp(2rem,5vw,2.7rem)}.score-ring{width:112px;height:112px;border-radius:999px;display:grid;place-items:center;padding:6px}.score-ring span{background:#1a1a1a;border-radius:999px;width:100%;height:100%;display:grid;place-items:center;font-weight:800;font-size:1.35rem}.score-ring span{color:var(--text)}.wrong-percent{margin:-.2rem 0 .7rem;color:var(--danger);font-size:.87rem;font-weight:700}.review-toggle{margin-top:1rem}.review-list{margin-top:.9rem;border:1px solid var(--border);border-radius:12px;max-height:380px;overflow-y:auto;padding:.85rem;display:grid;gap:.7rem;background:#151515}.review-item{border-radius:10px;border:1px solid var(--border);padding:.8rem;background:#1a1a1a}.review-item h3{margin:0 0 .35rem;font-size:.93rem}.review-item p{margin:.2rem 0;color:var(--muted);font-size:.86rem}.review-item.correct{border-color:#2f5a46;background:#1a2420}.review-item.incorrect{border-color:#6a4242;background:#261a1a}.empty-state{border:1px dashed var(--border);border-radius:12px;padding:1.2rem;background:#1d1d1d}.empty-state h3{margin:0 0 .35rem}.analytics-panel{display:grid;gap:.9rem}.analytics-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem}.metric-card{border:1px solid var(--border);border-radius:12px;padding:.85rem;background:#1d1d1d;display:grid;gap:.4rem}.metric-card span{color:var(--muted);font-size:.82rem}.metric-card strong{font-size:1.45rem}.history-head{display:flex;justify-content:space-between;align-items:center;gap:1rem}.history-head h3{margin:0}.history-list{border:1px solid var(--border);border-radius:12px;padding:.5rem;background:#151515;max-height:340px;overflow-y:auto}.history-item{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:10px;padding:.65rem .75rem;background:#1a1a1a;margin-bottom:.45rem}.history-item p{margin:0;font-weight:700;font-size:.88rem}.history-item span{color:var(--muted);font-size:.78rem}.toast-stack{position:fixed;right:1rem;bottom:1rem;display:grid;gap:.45rem;z-index:40}.toast{background:#1a1a1a;border:1px solid var(--border);border-radius:8px;padding:.68rem .85rem;min-width:260px;box-shadow:0 10px 28px #00000059;font-size:.84rem}.toast.success{border-color:#2f5a46;background:#1a2420}.toast.error{border-color:#6a4242;background:#261a1a}@media (max-width: 960px){.service-shell{grid-template-columns:1fr;min-height:100dvh}.service-sidebar{position:sticky;top:0;z-index:30;height:auto;border-right:0;border-bottom:1px solid var(--border);padding:.35rem .5rem;background:#171717f5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);gap:.25rem}.sidebar-brand{text-align:left;padding-top:0;display:inline-flex;align-items:center;gap:.35rem}.sidebar-brand h2{font-size:.86rem;letter-spacing:.04em}.sidebar-turtle{width:15px;height:15px;margin:0}.sidebar-nav{grid-template-columns:repeat(3,minmax(0,1fr));gap:.3rem}.nav-item{min-height:32px;padding:.34rem .45rem;border-radius:8px}.nav-label{gap:.34rem;justify-content:center;font-size:.72rem}.service-main{padding:.35rem .85rem .85rem;width:100%}.panel{padding:1rem;border-radius:14px}.upload-panel .drop-zone{margin-top:.35rem}.drop-zone{padding:1.15rem}.drop-zone h2{font-size:1.05rem}.drop-zone p{font-size:.86rem}.presets-section{padding:.65rem}.preset-item{padding:.58rem .62rem}.session-options{padding:.95rem}}@media (max-width: 760px){.service-sidebar{position:fixed;left:0;right:0;top:auto;bottom:0;z-index:60;border-bottom:0;border-top:1px solid var(--border);background:#121212f7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:.45rem .5rem calc(.45rem + env(safe-area-inset-bottom));gap:0}.sidebar-brand{display:none}.sidebar-nav{grid-template-columns:repeat(3,minmax(0,1fr));gap:.45rem}.nav-item{min-height:52px;padding:0;border-radius:12px;text-align:center;display:grid;place-items:center}.nav-label{width:auto;justify-content:center;gap:0;font-size:0;line-height:0}.nav-icon{width:1.55rem;height:1.55rem;min-width:1.55rem;min-height:1.55rem}.service-main{padding-bottom:calc(5rem + env(safe-area-inset-bottom))}.answers-grid{grid-template-columns:1fr;gap:.5rem}.answer-option{min-height:58px;padding:.72rem}.quiz-header{flex-direction:column;align-items:flex-start;gap:.55rem}.quiz-subtitle{font-size:.84rem}.quiz-nav{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:.55rem}.quiz-nav .primary-btn,.quiz-nav .secondary-btn{min-width:0;min-height:40px;font-size:.82rem;padding:.54rem .64rem}.results-top{align-items:flex-start;flex-direction:column;gap:.7rem}.results-actions{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.results-actions .primary-btn,.results-actions .secondary-btn{width:100%;justify-content:center;min-height:40px;font-size:.79rem;padding:.52rem .56rem}.review-toggle{width:100%;min-height:40px}.analytics-cards{grid-template-columns:1fr}.history-item{flex-direction:column;align-items:flex-start;gap:.35rem}.toast-stack{left:.75rem;right:.75rem;bottom:calc(5rem + env(safe-area-inset-bottom))}.toast{min-width:0;width:100%}}@media (max-width: 520px){.service-main{padding:.2rem .6rem .6rem}.panel{padding:.78rem;border-radius:12px}.sidebar-nav{grid-template-columns:repeat(3,minmax(0,1fr))}.nav-item{padding:.5rem .48rem}.nav-label{font-size:.76rem;gap:.32rem}.nav-icon{width:.9rem;height:.9rem;min-width:.9rem;min-height:.9rem}.question-card h2{font-size:1.04rem}.results-actions{grid-template-columns:1fr}}