@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--bg-dark:#070b19;--bg-gradient:radial-gradient(circle at top right, #1a1b41, #070b19 60%);--glass-bg:#ffffff08;--glass-border:#ffffff14;--accent-primary:#8b5cf6;--accent-secondary:#ec4899;--accent-tertiary:#3b82f6;--success:#10b981;--danger:#ef4444;--text-primary:#f8fafc;--text-secondary:#94a3b8;--shadow-glow:0 0 40px #8b5cf626}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background:var(--bg-dark);background-image:var(--bg-gradient);color:var(--text-primary);background-attachment:fixed;min-height:100vh;font-family:Inter,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@keyframes pulse{0%{box-shadow:0 0 #8b5cf666}70%{box-shadow:0 0 0 15px #8b5cf600}to{box-shadow:0 0 #8b5cf600}}.pulse{animation:2s infinite pulse}.app-container{flex-direction:column;max-width:1000px;min-height:100vh;margin:0 auto;padding:2rem 1.5rem 6rem;display:flex;position:relative}.app-container:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle,#8b5cf61a 0%,#0000 70%);border-radius:50%;width:400px;height:400px;position:fixed;top:-10%;left:-10%}.app-container:after{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle,#ec489914 0%,#0000 70%);border-radius:50%;width:500px;height:500px;position:fixed;bottom:-10%;right:-10%}.header{text-align:center;margin-bottom:2.5rem;padding:1rem 0;animation:.8s fadeIn}.header h1{background:linear-gradient(135deg,#fff 0%,#a5b4fc 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var(--glass-border);color:var(--text-primary);cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff08;border-radius:16px;flex:1;padding:1.2rem 2rem;font-family:Inter,sans-serif;font-size:1.1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1)}.nav-btn:hover:not(:disabled){background:#ffffff14;border-color:#fff3;transform:translateY(-2px);box-shadow:0 10px 20px #0003}.primary-btn{background:linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));border:none;box-shadow:0 5px 15px #8b5cf64d}.primary-btn:hover:not(:disabled){background:linear-gradient(135deg,#9f7aea,#60a5fa);box-shadow:0 8px 25px #8b5cf680}.nav-btn:disabled{opacity:.3;cursor:not-allowed}.controls{gap:1rem;width:100%;max-width:700px;display:flex}.progress-container{background:#ffffff0d;border-radius:10px;width:100%;max-width:700px;height:6px;margin-bottom:1rem;overflow:hidden}.progress-bar{background:linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));border-radius:10px;height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.progress-bar.accent{background:linear-gradient(90deg, var(--accent-tertiary), var(--success))}.progress-text{color:var(--text-secondary);text-transform:uppercase;letter-spacing:2px;margin-bottom:2rem;font-size:.9rem;font-weight:600}main{flex-direction:column;align-items:center;width:100%;animation:.5s fadeIn;display:flex;position:relative}.menu-view{gap:1.5rem}.menu-card{border:1px solid var(--glass-border);text-align:center;cursor:pointer;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:linear-gradient(145deg,#ffffff0d 0%,#ffffff03 100%);border-radius:24px;width:100%;max-width:600px;padding:3rem 2rem;transition:all .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 10px 30px #0003}.menu-card:hover{box-shadow:0 20px 40px #0006, var(--shadow-glow);border-color:#fff3;transform:translateY(-8px)scale(1.02)}.menu-card h2{color:var(--text-primary);margin-bottom:1rem;font-size:2.2rem}.menu-card p{color:var(--text-secondary);font-size:1.1rem;line-height:1.5}.quiz-card{background:linear-gradient(145deg,#ec48991a 0%,#8b5cf60d 100%);border-color:#ec489933}.quiz-card:hover{border-color:#ec489980;box-shadow:0 20px 40px #0006,0 0 40px #ec489933}.menu-row{flex-wrap:wrap;gap:1.5rem;width:100%;max-width:720px;display:flex}.small-card{flex:140px;padding:2rem 1rem}.small-card h2{margin-bottom:0;font-size:1.35rem}.plan-card{border-color:#ec994b80;box-shadow:0 0 30px #ec994b1f}.small-card .icon-wrapper{margin-bottom:.5rem;animation-duration:6s}.topics-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;width:100%;padding-top:1rem;display:grid}.topic-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:20px;justify-content:space-between;align-items:center;padding:1.8rem;transition:all .3s;display:flex}.topic-item:hover{box-shadow:var(--shadow-glow);background:#ffffff0f;border-color:#8b5cf680;transform:translateY(-5px)}.topic-content h3{color:var(--text-primary);margin-bottom:.8rem;font-size:1.3rem;line-height:1.3}.badge{color:#c4b5fd;background:#8b5cf633;border:1px solid #8b5cf64d;border-radius:20px;padding:.3rem .8rem;font-size:.85rem;font-weight:600;display:inline-block}.topic-arrow{color:var(--accent-primary);opacity:.5;font-size:1.5rem;transition:all .3s}.topic-item:hover .topic-arrow{opacity:1;transform:translate(5px)}.flip-card{perspective:1500px;cursor:pointer;background-color:#0000;width:100%;max-width:700px;height:450px;margin-bottom:2.5rem}.flip-card-inner{text-align:center;width:100%;height:100%;transform-style:preserve-3d;transition:transform .8s cubic-bezier(.175,.885,.32,1.275);position:relative}.flip-card.flipped .flip-card-inner{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{backface-visibility:hidden;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:3rem;display:flex;position:absolute;box-shadow:0 15px 35px #0000004d}.flip-card-front{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:linear-gradient(135deg,#ffffff12 0%,#ffffff05 100%);border:1px solid #ffffff1a}.card-decoration{pointer-events:none;background:radial-gradient(circle at 100% 0,#8b5cf61a,#0000 50%);border-radius:24px;position:absolute;inset:0}.flip-card-back{background:linear-gradient(135deg,#1e1b4b 0%,#312e81 100%);border:1px solid #8b5cf666;transform:rotateY(180deg);box-shadow:0 15px 35px #0006,inset 0 0 40px #8b5cf61a}.tap-hint{text-transform:uppercase;letter-spacing:3px;color:var(--accent-primary);opacity:.8;font-size:.85rem;font-weight:600;animation:2s infinite pulse;position:absolute;top:2rem}.question-text{color:#fff;z-index:2;font-size:2rem;font-weight:600;line-height:1.4}.answer-text{text-align:left;color:#e2e8f0;white-space:pre-line;width:100%;max-height:100%;padding-right:15px;font-size:1.35rem;line-height:1.7;overflow-y:auto}.answer-text::-webkit-scrollbar{width:8px}.answer-text::-webkit-scrollbar-track{background:#0003;border-radius:10px}.answer-text::-webkit-scrollbar-thumb{background-color:var(--accent-primary);border-radius:10px}.quiz-setup-view{border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);text-align:center;background:linear-gradient(145deg,#ffffff0d 0%,#ffffff03 100%);border-radius:24px;width:100%;max-width:700px;padding:4rem 2rem}.quiz-setup-view h2{margin-bottom:1rem;font-size:2.2rem}.quiz-setup-view p{color:var(--text-secondary);margin-bottom:3rem;font-size:1.2rem}.quiz-options{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.quiz-btn{color:#fff;cursor:pointer;background:#ffffff08;border:1px solid #ffffff1a;border-radius:16px;padding:1.5rem;font-family:Outfit;font-size:1.3rem;font-weight:600;transition:all .3s cubic-bezier(.175,.885,.32,1.275)}.quiz-btn:hover{background:#ffffff1a;border-color:#ffffff4d;transform:translateY(-5px);box-shadow:0 10px 25px #0003}.quiz-btn.highlight{background:linear-gradient(135deg,#ec489933,#8b5cf633);border-color:#ec489966;grid-column:span 2}.quiz-btn.highlight:hover{background:linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));box-shadow:0 15px 30px #ec48994d}.quiz-play-view{width:100%;max-width:800px}.quiz-header-stats{justify-content:space-between;width:100%;margin-bottom:1.5rem;display:flex}.stat{flex-direction:column;display:flex}.stat .label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:.85rem}.stat .value{font-family:Outfit;font-size:1.5rem;font-weight:700}.stat .value.score{color:var(--accent-tertiary)}.quiz-question-container{border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff08;border-radius:20px;width:100%;margin-bottom:2.5rem;padding:2.5rem}.quiz-question{text-align:center;font-size:1.7rem;line-height:1.4}.quiz-answers{flex-direction:column;gap:1rem;width:100%;display:flex}.quiz-option-btn{border:1px solid var(--glass-border);color:var(--text-primary);text-align:left;cursor:pointer;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#ffffff08;border-radius:16px;align-items:center;padding:1.5rem;font-size:1.15rem;transition:all .2s;display:flex}.option-letter{width:36px;height:36px;color:var(--accent-primary);background:#ffffff1a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-right:1.2rem;font-family:Outfit;font-weight:700;display:flex}.quiz-option-btn:hover:not(:disabled){background:#ffffff14;border-color:#ffffff4d;transform:translate(10px)}.quiz-option-btn:hover:not(:disabled) .option-letter{background:var(--accent-primary);color:#fff}.quiz-option-btn.correct{border-color:var(--success);background:#10b98126;box-shadow:0 0 20px #10b98133}.quiz-option-btn.correct .option-letter{background:var(--success);color:#fff}.quiz-option-btn.wrong{border-color:var(--danger);opacity:.8;background:#ef444426}.quiz-option-btn.wrong .option-letter{background:var(--danger);color:#fff}.quiz-option-btn.disabled:not(.correct):not(.wrong){opacity:.4;cursor:default}.quiz-next-container{width:100%;margin-top:2rem;animation:.5s fadeIn}.quiz-next-container .nav-btn{width:100%;padding:1.5rem;font-size:1.2rem}.quiz-summary-view{border:1px solid var(--glass-border);text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:linear-gradient(145deg,#ffffff0d 0%,#ffffff03 100%);border-radius:30px;width:100%;max-width:600px;padding:5rem 2rem}.quiz-summary-view h2{background:linear-gradient(90deg,#facc15,#f59e0b);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2.5rem}.score-circle{background:conic-gradient(from 0deg, var(--accent-tertiary), var(--accent-primary));border-radius:50%;justify-content:center;align-items:center;width:180px;height:180px;margin:3rem auto;font-family:Outfit;font-size:3rem;font-weight:800;display:flex;position:relative;box-shadow:0 15px 40px #3b82f64d}.score-circle:after{content:"";background:var(--bg-dark);z-index:0;border-radius:50%;position:absolute;inset:5px}.score-circle span{z-index:1;position:relative}.score-percentage{margin-bottom:1rem;font-size:1.5rem}.score-percentage strong{color:var(--success);font-size:2rem}.feedback-message{color:var(--text-secondary);margin-bottom:3rem;padding:0 1rem;font-size:1.1rem}.theory-view{width:100%;max-width:800px}.view-header{text-align:center;margin-bottom:3rem}.view-header h2{color:var(--text-primary);margin-bottom:.5rem;font-size:2.5rem}.view-header p{color:var(--text-secondary);font-size:1.1rem}.theory-list{flex-direction:column;gap:1.5rem;width:100%;display:flex}.theory-card{border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff08;border-radius:16px;transition:all .3s;overflow:hidden}.theory-card:hover{background:#ffffff0f;border-color:#ffffff26}.theory-card.expanded{border-color:var(--accent-primary);background:#ffffff0d;box-shadow:0 10px 30px #0000004d}.theory-card-header{cursor:pointer;justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.theory-card-header h3{padding-right:1rem;font-size:1.2rem;font-weight:600}.toggle-icon{color:var(--accent-primary);text-align:center;width:30px;font-size:2rem;font-weight:300;line-height:0}.theory-content{color:var(--text-secondary);text-align:justify;padding:0 1.5rem 1.5rem;font-size:1.05rem;line-height:1.7;animation:.4s fadeIn}.info-view{gap:2rem;width:100%;max-width:800px}.info-card{border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:center;background:#ffffff08;border-radius:24px;width:100%;padding:3rem 2rem}.info-card h2{margin-bottom:1rem;font-size:2rem}.info-card>p{color:var(--text-secondary);margin-bottom:2rem;font-size:1.1rem}.timeline{text-align:left;flex-direction:column;gap:1.5rem;max-width:600px;margin:0 auto 2rem;display:flex;position:relative}.timeline:before{content:"";background:#ffffff1a;width:2px;position:absolute;top:10px;bottom:10px;left:10px}.timeline-item{color:var(--text-secondary);padding-left:3rem;line-height:1.6;position:relative}.timeline-item strong{color:var(--text-primary);margin-bottom:.3rem;display:block}.timeline-item .dot{background:var(--accent-primary);width:10px;height:10px;box-shadow:0 0 10px var(--accent-primary);border-radius:50%;position:absolute;top:5px;left:6px}.summary-text{color:var(--accent-tertiary);background:#3b82f61a;border-radius:12px;padding:1rem;font-size:1.2rem;font-weight:600}.verification-card{background:linear-gradient(145deg,#10b9811a 0%,#10b98105 100%);border-color:#10b98133;padding:2rem}.verification-card h3{color:var(--success);margin-bottom:1rem;font-size:1.5rem}.verification-card p{text-align:justify;margin:0}.footer{text-align:center;color:var(--text-secondary);opacity:.6;letter-spacing:1px;padding:1.5rem;font-family:Outfit;font-size:.9rem;position:absolute;bottom:0;left:0;right:0}@media (width<=768px){.app-container{padding:1rem 1rem 5rem}.header{margin-bottom:1rem}.header h1{font-size:2.2rem}.header p{font-size:.9rem}.back-btn{align-self:flex-start;margin-bottom:1.5rem;font-size:.9rem;position:relative;top:0}.progress-indicator{align-self:flex-end;margin-bottom:1rem;position:relative;top:0}.menu-row{flex-direction:column}.menu-card{padding:2rem 1.5rem}.flip-card{height:400px}.flip-card-front,.flip-card-back{padding:1.5rem}.question-text{font-size:1.5rem}.answer-text{font-size:1.1rem}.controls{flex-direction:column}.nav-btn{width:100%;padding:1.2rem}.quiz-options{grid-template-columns:1fr}.quiz-btn.highlight{grid-column:span 1}.quiz-question-container{padding:1.5rem}.quiz-question{font-size:1.4rem}.quiz-option-btn{padding:1.2rem;font-size:1rem}.theory-card-header{padding:1.2rem}.theory-content{padding:0 1.2rem 1.2rem}.info-card{padding:2rem 1.5rem}}.plan-list{flex-direction:column;gap:1rem;max-width:760px;margin:0 auto;display:flex}.plan-step{background:var(--glass-bg);border:1px solid var(--glass-border);text-align:left;border-radius:16px;align-items:flex-start;gap:1rem;padding:1.1rem 1.3rem;line-height:1.55;display:flex}.plan-step b{color:var(--text-primary)}.plan-time{color:#f0a04b;font-variant-numeric:tabular-nums;flex-shrink:0;min-width:92px;font-weight:700}.plan-tip{text-align:left;background:#8b5cf61a;border:1px solid #8b5cf64d;border-radius:16px;max-width:760px;margin:1.5rem auto 0;padding:1.2rem 1.4rem;line-height:1.7}.plan-tip b{color:#c4b5fd}.deck-title{text-align:center;color:var(--text-secondary);margin-bottom:.8rem;font-size:.95rem;font-weight:600}.known-pill{color:var(--success);font-weight:700}.hard-pill{color:#f0a04b;margin-left:.4rem;font-weight:700}.fc-actions{justify-content:center;gap:1rem;margin:1.2rem 0 .4rem;display:flex}.fc-btn{border:1px solid var(--glass-border);cursor:pointer;max-width:220px;color:var(--text-primary);border-radius:14px;flex:1;padding:.9rem 1rem;font-size:1.05rem;font-weight:700;transition:transform .12s,box-shadow .2s}.fc-btn:hover{transform:translateY(-2px)}.fc-btn.knownbtn{background:#10b9812e;border-color:#10b98180}.fc-btn.hard{background:#f0a04b29;border-color:#f0a04b80}.fc-btn kbd,.kbd-hint kbd{background:#ffffff1f;border:1px solid #ffffff26;border-radius:6px;margin-left:.3rem;padding:1px 7px;font-size:.8rem}.repeat-hard-btn{cursor:pointer;color:#fff;background:linear-gradient(135deg,#f0a04b,#ec4899);border:none;border-radius:14px;margin:1rem auto 0;padding:.9rem 1.6rem;font-size:1.05rem;font-weight:700;display:block;box-shadow:0 8px 24px #ec48994d}.kbd-hint{text-align:center;color:var(--text-secondary);margin-top:1rem;font-size:.85rem}.cram-btn{color:var(--text-primary);cursor:pointer;background:#8b5cf626;border:1px solid #8b5cf680;border-radius:12px;margin-top:.8rem;padding:.7rem 1.3rem;font-weight:700;transition:transform .12s;display:inline-block}.cram-btn:hover{transform:translateY(-2px)}@media (width<=600px){.fc-actions{flex-direction:row}.plan-step{flex-direction:column;gap:.4rem}.plan-time{min-width:0}}