:root{--bg-dark:#07070a;--bg-card:#111219a6;--bg-card-hover:#1a1c26d9;--text-main:#f3f4f6;--text-sub:#9ca3af;--text-muted:#6b7280;--accent-blue:#0a84ff;--accent-purple:#bf5af2;--accent-green:#30d158;--accent-orange:#ff9f0a;--accent-red:#ff453a;--accent-yellow:#ffd60a;--glow-cyan:#64d2ff;--glow-magenta:#ff2d55;--glow-gold:#ffd60a;--glass-border:#ffffff14;--glass-border-active:#ffffff29;--font-bengali:"Noto Sans Bengali", -apple-system, sans-serif;--font-en:"Outfit", sans-serif;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 8px 30px #00000080;--shadow-lg:0 16px 40px #000000b3;scroll-behavior:smooth}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-bengali);background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;padding-bottom:80px;line-height:1.6;overflow-x:hidden}.ambient-bg{z-index:-1;pointer-events:none;width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.orb{filter:blur(120px);opacity:.25;mix-blend-mode:screen;border-radius:50%;position:absolute}.orb-1{background:radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);width:50vw;height:50vw;animation:25s ease-in-out infinite alternate floatOrb;top:-10vw;left:-10vw}.orb-2{background:radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);width:60vw;height:60vw;animation:30s ease-in-out -5s infinite alternate-reverse floatOrb;bottom:-15vw;right:-10vw}.orb-3{background:radial-gradient(circle, var(--accent-red) 0%, transparent 70%);opacity:.15;width:40vw;height:40vw;animation:35s ease-in-out 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fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.empty-state{text-align:center;color:var(--text-muted);padding:40px 20px}.empty-state-icon{margin-bottom:12px;font-size:2.5rem}:fullscreen{background-color:var(--bg-dark);padding:30px;overflow-y:auto}:fullscreen .action-dock-container{bottom:30px}.icon-glow-blue{color:var(--accent-blue);filter:drop-shadow(0 0 6px #0a84ff73)}.icon-glow-green{color:var(--accent-green);filter:drop-shadow(0 0 6px #30d15873)}.icon-glow-orange{color:var(--accent-orange);filter:drop-shadow(0 0 6px #ff9f0a73)}.icon-glow-purple{color:var(--accent-purple);filter:drop-shadow(0 0 6px #bf5af273)}.icon-glow-red{color:var(--accent-red);filter:drop-shadow(0 0 6px #ff453a73)}.icon-glow-yellow{color:var(--accent-yellow);filter:drop-shadow(0 0 6px #ffd60a73)}@media 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#d8b4fe!important}.question-card.focused .icon-action-btn{color:#4b5563!important;background:#00000008!important;border:1px solid #0000001a!important}.question-card.focused .icon-action-btn:hover{color:#111827!important;background:#00000014!important}.question-card.focused .level-2-box{background:#00000005!important;border:1px solid #0000000d!important;border-left:3px solid #111827!important;border-radius:0 8px 8px 0!important}.question-card.focused .level-2-content{color:#1f2937!important}.question-card.focused .level-2-content strong,.question-card.focused .level-2-content b{color:#000!important;font-weight:700!important}.question-card.focused .level-3-toggle-hint{color:#4b5563!important}.question-card.focused .level-3-box{color:#374151!important;background:#00000008!important;border:1px solid #0000000a!important;border-left:2px dashed #4b5563!important}.question-card.focused .level-3-title{color:#111827!important}.question-card.focused .level-3-content{color:#374151!important}.icon-action-btn.focus-toggle-btn.active{background:var(--glow-cyan)!important;border-color:var(--glow-cyan)!important;color:#000!important}.icon-action-btn.focus-toggle-btn:hover{border-color:var(--glow-cyan)!important;color:var(--glow-cyan)!important;box-shadow:0 0 10px #64d2ff33!important}.question-card.focused .icon-action-btn.focus-toggle-btn{color:#4b5563!important;background:#00000008!important;border:1px solid #0000001a!important}.question-card.focused .icon-action-btn.focus-toggle-btn.active{color:#fff!important;background:#111827!important;border-color:#111827!important}.question-card.focused .icon-action-btn.focus-toggle-btn:hover{color:#111827!important;box-shadow:none!important;background:#00000014!important}.app-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.glow-cyan{color:var(--glow-cyan,#64d2ff);text-shadow:0 0 10px #64d2ff73;font-weight:600}.glow-purple{color:var(--accent-purple,#bf5af2);text-shadow:0 0 10px #bf5af273;font-weight:600}.glow-magenta{color:var(--glow-magenta,#ff2d55);text-shadow:0 0 10px #ff2d5573;font-weight:600}.glow-gold{color:var(--glow-gold,#ffd60a);text-shadow:0 0 10px #ffd60a73;font-weight:600}.hl-mark-yellow{background-color:#ffeb3bd9;border-radius:4px;padding:2px 6px;font-weight:600;display:inline;box-shadow:0 0 8px #ffeb3b4d;color:#000!important}.hl-mark-cyan{color:#fff;background-color:#64d2ff40;border-bottom:2px solid #64d2ffb3;border-radius:4px;padding:2px 6px;font-weight:600;display:inline}.hl-mark-magenta{color:#fff;background-color:#ff2d5540;border-bottom:2px solid #ff2d55b3;border-radius:4px;padding:2px 6px;font-weight:600;display:inline}.hl-mark-green{color:#fff;background-color:#30d15840;border-bottom:2px solid #30d158b3;border-radius:4px;padding:2px 6px;font-weight:600;display:inline}.hl-dot-cyan{-webkit-text-decoration:underline dotted var(--glow-cyan,#64d2ff) 2px;text-decoration:underline dotted var(--glow-cyan,#64d2ff) 2px;text-underline-offset:4px;font-weight:600}.hl-dot-purple{-webkit-text-decoration:underline dotted var(--accent-purple,#bf5af2) 2px;text-decoration:underline dotted var(--accent-purple,#bf5af2) 2px;text-underline-offset:4px;font-weight:600}.hl-dot-magenta{-webkit-text-decoration:underline dotted var(--glow-magenta,#ff2d55) 2px;text-decoration:underline dotted var(--glow-magenta,#ff2d55) 2px;text-underline-offset:4px;font-weight:600}.hl-dot-gold{-webkit-text-decoration:underline dotted var(--glow-gold,#ffd60a) 2px;text-decoration:underline dotted var(--glow-gold,#ffd60a) 2px;text-underline-offset:4px;font-weight:600}.list-box{border-left:3px solid var(--glow-cyan,#64d2ff);background:#ffffff08;border-radius:4px;margin:10px 0;padding:12px 16px}.list-box ul{margin:0;padding:0;list-style-type:none}.list-box li{color:var(--text-main,#f3f4f6);margin-bottom:6px;padding-left:20px;position:relative}.list-box li:last-child{margin-bottom:0}.list-box li:before{content:"•";color:var(--glow-cyan,#64d2ff);font-weight:700;position:absolute;left:0}.question-card.focused .level-2-content span.glow-cyan,.question-card.focused .level-3-content span.glow-cyan{color:#0369a1!important;text-shadow:none!important;font-weight:700!important}.question-card.focused .level-2-content span.glow-purple,.question-card.focused .level-3-content span.glow-purple{color:#6b21a8!important;text-shadow:none!important;font-weight:700!important}.question-card.focused .level-2-content span.glow-magenta,.question-card.focused .level-3-content span.glow-magenta{color:#be123c!important;text-shadow:none!important;font-weight:700!important}.question-card.focused .level-2-content span.glow-gold,.question-card.focused .level-3-content span.glow-gold{color:#b45309!important;text-shadow:none!important;font-weight:700!important}.question-card.focused .hl-mark-yellow{color:#000!important;box-shadow:none!important;background-color:#ffeb3bf2!important}.question-card.focused .hl-mark-cyan{color:#0369a1!important;background-color:#64d2ff66!important;border-bottom:2px solid #0369a1!important}.question-card.focused .hl-mark-magenta{color:#be123c!important;background-color:#ff2d554d!important;border-bottom:2px solid #be123c!important}.question-card.focused .hl-mark-green{color:#15803d!important;background-color:#30d1584d!important;border-bottom:2px solid #15803d!important}.question-card.focused .hl-dot-cyan{color:#0369a1!important;font-weight:700!important;text-decoration-color:#0369a1!important}.question-card.focused .hl-dot-purple{color:#6b21a8!important;font-weight:700!important;text-decoration-color:#6b21a8!important}.question-card.focused .hl-dot-magenta{color:#be123c!important;font-weight:700!important;text-decoration-color:#be123c!important}.question-card.focused .hl-dot-gold{color:#b45309!important;font-weight:700!important;text-decoration-color:#b45309!important}.question-card.focused .list-box{background:#00000005!important;border:1px solid #0000000d!important;border-left:3px solid #111827!important}.question-card.focused .list-box li{color:#1f2937!important}.question-card.focused .list-box li:before{color:#111827!important}