@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;600;700&display=swap";
:root{--bg-primary:#0a0f1e;--bg-secondary:#111827;--bg-card:#ffffff0d;--bg-card-hover:#ffffff14;--accent-blue:#3b82f6;--accent-blue-hover:#2563eb;--accent-blue-light:#3b82f633;--accent-emerald:#10b981;--accent-emerald-hover:#059669;--accent-emerald-light:#10b98133;--accent-amber:#f59e0b;--accent-amber-hover:#d97706;--accent-amber-light:#f59e0b33;--accent-red:#ef4444;--accent-red-hover:#dc2626;--accent-red-light:#ef444433;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#ffffff1a;--border-highlight:#fff3;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-glow:0 0 15px #3b82f680;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-family:Outfit,sans-serif;font-weight:600}a{color:var(--accent-blue);transition:var(--transition);text-decoration:none}a:hover{color:var(--accent-blue-hover)}.container{max-width:1200px;margin:0 auto;padding:0 24px}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mt-12{margin-top:48px}.mt-auto{margin-top:auto}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}.mx-auto{margin-left:auto;margin-right:auto}.py-1{padding-top:4px;padding-bottom:4px}.py-2{padding-top:8px;padding-bottom:8px}.py-3{padding-top:12px;padding-bottom:12px}.py-4{padding-top:16px;padding-bottom:16px}.py-6{padding-top:24px;padding-bottom:24px}.py-8{padding-top:32px;padding-bottom:32px}.py-12{padding-top:48px;padding-bottom:48px}.py-16{padding-top:64px;padding-bottom:64px}.px-2{padding-left:8px;padding-right:8px}.px-3{padding-left:12px;padding-right:12px}.px-4{padding-left:16px;padding-right:16px}.p-2{padding:8px}.p-4{padding:16px}.p-6{padding:24px}.flex{display:flex}.flex-col{flex-direction:column}.flex-1{flex:1}.flex-wrap{flex-wrap:wrap}.flex-shrink-0,.shrink-0{flex-shrink:0}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:4px}.gap-2{gap:8px}.gap-4{gap:16px}.gap-6{gap:24px}.gap-8{gap:32px}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,1fr)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}@media (min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}.md\:col-span-2{grid-column:span 2}}.w-full{width:100%}.w-3{width:12px}.w-12{width:48px}.h-full{height:100%}.h-3{height:12px}.h-12{height:48px}.h-48{height:192px}.min-h-screen{min-height:100vh}.min-w-0{min-width:0}.max-w-3xl{max-width:768px}.max-w-5xl{max-width:1024px}.max-w-xl{max-width:576px}.hidden{display:none}.block{display:block}.text-sm{font-size:14px}.text-lg{font-size:18px}.text-xl{font-size:20px}.text-2xl{font-size:24px}.text-3xl{font-size:30px}.text-5xl{font-size:48px}.font-medium{font-weight:500}.font-bold{font-weight:700}.font-semibold{font-weight:600}.text-secondary{color:var(--text-secondary)}.text-primary{color:var(--text-primary)}.text-white{color:#fff}.text-accent-blue{color:var(--accent-blue)}.text-accent-emerald{color:var(--accent-emerald)}.text-accent-amber{color:var(--accent-amber)}.text-accent-red{color:var(--accent-red)}.bg-bg-secondary{background-color:var(--bg-secondary)}.bg-accent-blue\/20{background-color:var(--accent-blue-light)}.bg-accent-emerald\/20{background-color:var(--accent-emerald-light)}.bg-accent-amber\/20{background-color:var(--accent-amber-light)}.bg-accent-red\/20{background-color:var(--accent-red-light)}.border{border:1px solid var(--border)}.border-t{border-top:1px solid var(--border)}.border-b{border-bottom:1px solid var(--border)}.border-l-4{border-left-style:solid;border-left-width:4px}.border-border{border-color:var(--border)}.border-white\/10{border-color:#ffffff1a}.border-l-accent-blue{border-left-color:var(--accent-blue)}.border-accent-emerald\/50{border-color:#10b98180}.border-accent-red\/50{border-color:#ef444480}.rounded{border-radius:var(--radius-sm)}.rounded-lg{border-radius:var(--radius-md)}.rounded-full{border-radius:var(--radius-full)}.rounded-l-none{border-top-left-radius:0;border-bottom-left-radius:0}.opacity-70{opacity:.7}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.leading-relaxed{line-height:1.75}.content-start{align-content:flex-start}.cursor-pointer{cursor:pointer}.cursor-default{cursor:default}.overflow-x-auto{overflow-x:auto}.overflow-hidden{overflow:hidden}.position-relative{position:relative}.ml-4{margin-left:16px}.mr-2{margin-right:8px}.pb-4{padding-bottom:16px}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:1px solid #0000;outline:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-family:Inter,sans-serif;font-size:15px;font-weight:500;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background-color:var(--accent-blue);color:#fff;box-shadow:0 4px 14px #3b82f663}.btn-primary:hover{background-color:var(--accent-blue-hover);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px #3b82f63b}.btn-secondary{background-color:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--bg-card-hover);border-color:var(--border-highlight);transform:translateY(-1px)}.btn-danger{background-color:var(--accent-red);color:#fff}.btn-danger:hover{background-color:var(--accent-red-hover)}.btn-success{background-color:var(--accent-emerald);color:#fff}.btn-success:hover{background-color:var(--accent-emerald-hover)}.btn-warning{background-color:var(--accent-amber);color:#fff}.btn-warning:hover{background-color:var(--accent-amber-hover)}.btn-disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius-md);transition:var(--transition);padding:24px}.card-hover:hover{border-color:var(--accent-blue-light);box-shadow:var(--shadow-glow);transform:translateY(-4px)}.auth-container{justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:24px;display:flex}.auth-card{width:100%;max-width:400px}.form-group{margin-bottom:20px}.form-label{color:var(--text-secondary);margin-bottom:8px;font-size:14px;display:block}.form-input{background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:var(--transition);padding:12px 16px;font-family:Inter,sans-serif;font-size:16px}.form-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px var(--accent-blue-light);outline:none}.form-error{color:var(--accent-red);margin-top:4px;font-size:14px}.quiz-layout{flex-direction:column;gap:24px;max-width:1400px;height:calc(100vh - 80px);margin:0 auto;padding:24px;display:flex}@media (min-width:1024px){.quiz-layout{flex-direction:row}}.quiz-main-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.quiz-side-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:24px;width:100%;padding:24px;display:flex}@media (min-width:1024px){.quiz-side-panel{width:320px;height:100%;position:sticky;top:24px}}.quiz-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:24px;display:flex}.timer{color:var(--text-primary);align-items:center;gap:8px;font-family:Outfit,sans-serif;font-size:24px;font-weight:600;display:flex}.timer.warning{color:var(--accent-red);animation:2s infinite pulse}@keyframes pulse{0%{opacity:1}50%{opacity:.7}to{opacity:1}}.question-container{flex:1;padding:32px 24px;overflow-y:auto}.question-text{margin-bottom:32px;font-size:20px;font-weight:500;line-height:1.6}.options-list{flex-direction:column;gap:16px;display:flex}.option-btn{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);text-align:left;cursor:pointer;transition:var(--transition);align-items:center;padding:16px 24px;font-size:16px;display:flex}.option-btn:hover{border-color:var(--border-highlight);background:var(--bg-card-hover)}.option-btn.selected{background:var(--accent-blue-light);border-color:var(--accent-blue)}.option-btn.correct{background:var(--accent-emerald-light);border-color:var(--accent-emerald)}.option-btn.incorrect{background:var(--accent-red-light);border-color:var(--accent-red)}.option-letter{background:#ffffff1a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-right:16px;font-weight:600;display:inline-flex}.quiz-footer{border-top:1px solid var(--border);background:var(--bg-secondary);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.grid-legend{grid-template-columns:repeat(2,1fr);gap:12px;font-size:14px;display:grid}.legend-item{align-items:center;gap:8px;display:flex}.legend-color{border-radius:4px;width:16px;height:16px}.question-grid{grid-template-columns:repeat(5,1fr);gap:8px;max-height:400px;padding-right:8px;display:grid;overflow-y:auto}.question-grid::-webkit-scrollbar{width:6px}.question-grid::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:10px}.question-grid::-webkit-scrollbar-thumb{background:var(--border-highlight);border-radius:10px}.grid-box{aspect-ratio:1;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:1px solid var(--border);color:var(--text-primary);justify-content:center;align-items:center;font-size:14px;font-weight:500;display:flex;position:relative}.grid-box:hover{transform:scale(1.05)}.grid-box.unanswered{background:var(--bg-secondary)}.grid-box.answered{background:var(--accent-blue);border-color:var(--accent-blue)}.grid-box.correct{background:var(--accent-emerald);border-color:var(--accent-emerald)}.grid-box.incorrect{background:var(--accent-red);border-color:var(--accent-red)}.grid-box.active{box-shadow:0 0 0 2px var(--bg-primary), 0 0 0 4px var(--text-primary)}.grid-flag{z-index:10;font-size:10px;position:absolute;top:-4px;right:-2px}.tabs-header{border-bottom:1px solid var(--border);margin-bottom:24px;display:flex;overflow-x:auto}.tab-btn{color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:none;padding:12px 24px;font-size:16px;font-weight:500;position:relative}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent-blue)}.tab-btn.active:after{content:"";background-color:var(--accent-blue);width:100%;height:2px;position:absolute;bottom:-1px;left:0}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;width:100vw;height:100vh;padding:24px;display:flex;position:fixed;top:0;left:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:400px;box-shadow:var(--shadow-lg);padding:32px}.navbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0a0f1ecc;height:80px;position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;max-width:1400px;height:100%;margin:0 auto;padding:0 24px;display:flex}.nav-brand{color:var(--text-primary);align-items:center;gap:12px;font-family:Outfit,sans-serif;font-size:24px;font-weight:700;display:flex}.brand-icon{color:var(--accent-blue)}.setup-option{border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);align-items:flex-start;gap:16px;margin-bottom:12px;padding:16px;display:flex}.setup-option:hover{background:var(--bg-card-hover)}.setup-option.selected{border-color:var(--accent-blue);background:var(--accent-blue-light)}.setup-option.disabled{opacity:.5;cursor:not-allowed}.setup-option-input{margin-top:4px}.spinner{border:4px solid var(--border);border-top-color:var(--accent-blue);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loader-container{min-height:50vh;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}@media (max-width:768px){.container{padding:0 16px!important}.py-12{padding-top:24px!important;padding-bottom:24px!important}.text-5xl{font-size:32px!important}.text-4xl{font-size:26px!important}.text-3xl{font-size:22px!important}.text-2xl{font-size:18px!important}h1,h2,h3{word-wrap:break-word}.quiz-layout{gap:16px!important;height:auto!important;padding:12px!important;overflow-y:visible!important}.quiz-main-panel{order:1!important;height:auto!important;overflow:visible!important}.quiz-side-panel{order:2!important}.quiz-header{flex-wrap:wrap;gap:12px;padding:16px!important}.question-container{height:auto!important;padding:20px 16px!important;overflow-y:visible!important}.question-text{word-break:break-word;margin-bottom:20px!important;font-size:16px!important}.option-btn{align-items:flex-start!important;padding:12px 16px!important;font-size:14px!important}.option-letter{width:24px!important;height:24px!important;margin-right:12px!important;font-size:12px!important}.quiz-footer{gap:8px!important;padding:12px 16px!important}.btn{padding:8px 14px!important;font-size:13px!important}.quiz-side-panel{padding:16px!important}.question-grid{grid-template-columns:repeat(6,1fr)!important;gap:6px!important}.navbar{height:64px!important}.nav-container{padding:0 16px!important}.nav-brand{font-size:18px!important}.nav-actions{gap:8px!important}}