@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap";:root{--bg-primary:#06080f;--bg-secondary:#0c1020;--bg-tertiary:#111627;--bg-surface:#141a2e;--bg-card:#ffffff06;--bg-card-hover:#ffffff0b;--bg-code:#0d1117;--bg-input:#ffffff0a;--bg-overlay:#06080fd9;--text-primary:#e8ecf4;--text-secondary:#8b95a8;--text-muted:#5a6478;--text-accent:#a78bfa;--text-link:#818cf8;--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-tertiary:#a78bfa;--accent-gradient:linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);--accent-gradient-h:linear-gradient(90deg, #6366f1, #8b5cf6, #a78bfa);--accent-glow:#6366f126;--accent-glow-strong:#6366f140;--success:#10b981;--success-light:#34d399;--success-bg:#10b98114;--success-border:#10b98133;--warning:#f59e0b;--warning-bg:#f59e0b14;--warning-border:#f59e0b33;--error:#ef4444;--error-light:#f87171;--error-bg:#ef444414;--error-border:#ef444433;--info:#3b82f6;--info-bg:#3b82f614;--correct-bg:#10b9810f;--correct-border:#10b98140;--wrong-bg:#ef44440f;--wrong-border:#ef444440;--border-subtle:#ffffff0f;--border-medium:#ffffff1a;--border-accent:#6366f14d;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--fs-xs:.6875rem;--fs-sm:.8125rem;--fs-base:.9375rem;--fs-md:1.0625rem;--fs-lg:1.25rem;--fs-xl:1.5rem;--fs-2xl:2rem;--fs-3xl:2.75rem;--fs-4xl:3.5rem;--fs-5xl:4.5rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-xl:0 16px 48px #0009;--shadow-glow:0 0 30px #6366f126;--shadow-glow-lg:0 0 60px #6366f133;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--transition-bounce:.5s cubic-bezier(.34, 1.56, .64, 1);--transition-spring:.6s cubic-bezier(.175, .885, .32, 1.275);--header-height:64px;--max-content:1200px;--max-narrow:800px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--fs-base);color:var(--text-primary);background:var(--bg-primary);min-height:100vh;line-height:1.7;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(at 20% 20%,#6366f112 0%,#0000 50%),radial-gradient(at 80% 80%,#8b5cf60d 0%,#0000 50%),radial-gradient(#10b98108 0%,#0000 40%);width:200%;height:200%;animation:30s ease-in-out infinite alternate ambient-drift;position:fixed;top:-50%;left:-50%}@keyframes ambient-drift{0%{transform:translate(0)rotate(0)}to{transform:translate(-2%,2%)rotate(3deg)}}#root{z-index:1;min-height:100vh;position:relative}a{color:var(--text-link);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--accent-tertiary)}img{max-width:100%;display:block}code,pre{font-family:var(--font-mono)}::selection{color:#fff;background:#6366f14d}.page-wrapper{flex-direction:column;min-height:100vh;display:flex}.page-content{padding:var(--space-8);padding-top:calc(var(--header-height) + var(--space-8));max-width:var(--max-content);flex:1;width:100%;margin:0 auto}.page-narrow{max-width:var(--max-narrow)}.header{height:var(--header-height);padding:0 var(--space-8);-webkit-backdrop-filter:blur(20px)saturate(1.5);border-bottom:1px solid var(--border-subtle);z-index:100;background:#06080fcc;justify-content:space-between;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.header-logo{align-items:center;gap:var(--space-3);font-weight:700;font-size:var(--fs-lg);color:var(--text-primary);text-decoration:none;display:flex}.logo-icon{border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;letter-spacing:-.02em;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;font-weight:900;display:flex;box-shadow:0 0 20px #6366f159}.header-nav{align-items:center;gap:var(--space-1);display:flex}.header-nav a,.header-nav button{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--fs-sm);transition:all var(--transition-fast);cursor:pointer;font-weight:500;font-family:var(--font-sans);background:0 0;border:none;text-decoration:none;display:flex;position:relative}.header-nav a:hover,.header-nav a.active,.header-nav button:hover{color:var(--text-primary);background:#ffffff0d}.header-nav a.active:after{content:"";bottom:-1px;left:var(--space-4);right:var(--space-4);background:var(--accent-gradient);border-radius:1px;height:2px;position:absolute}.header-badge{border-radius:var(--radius-full);font-size:var(--fs-xs);background:var(--success-bg);color:var(--success);border:1px solid var(--success-border);margin-left:var(--space-2);align-items:center;gap:4px;padding:2px 8px;font-weight:600;display:inline-flex}.header-mobile-toggle{padding:var(--space-2);color:var(--text-secondary);cursor:pointer;font-size:var(--fs-lg);background:0 0;border:none;display:none}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--fs-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;font-weight:600;line-height:1.4;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 16px #6366f14d}.btn-primary:hover:not(:disabled){color:#fff;transform:translateY(-1px);box-shadow:0 6px 24px #6366f166}.btn-secondary{color:var(--text-secondary);border:1px solid var(--border-medium);background:#ffffff0d}.btn-secondary:hover:not(:disabled){color:var(--text-primary);border-color:var(--border-accent);background:#ffffff14}.btn-success{color:#fff;background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 2px 16px #10b9814d}.btn-success:hover:not(:disabled){color:#fff;transform:translateY(-1px);box-shadow:0 6px 24px #10b98166}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--fs-base);border-radius:var(--radius-lg)}.btn-sm{padding:var(--space-1) var(--space-3);font-size:var(--fs-xs);border-radius:var(--radius-sm)}.btn-block{width:100%}.btn-icon{border-radius:var(--radius-md);border:1px solid var(--border-subtle);width:36px;height:36px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);font-size:var(--fs-base);background:#ffffff0a;justify-content:center;align-items:center;padding:0;display:inline-flex}.btn-icon:hover{color:var(--text-primary);border-color:var(--border-medium);background:#ffffff14}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);transition:all var(--transition-base)}.card-interactive{cursor:pointer}.card-interactive:hover{background:var(--bg-card-hover);border-color:var(--border-medium);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.hero{text-align:center;padding:var(--space-20) var(--space-8) var(--space-16);position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(#6366f11f 0%,#0000 70%);width:800px;height:500px;position:absolute;top:-100px;left:50%;transform:translate(-50%)}.hero-badge{align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-4);border-radius:var(--radius-full);font-size:var(--fs-xs);color:var(--accent-tertiary);margin-bottom:var(--space-6);background:#6366f114;border:1px solid #6366f126;font-weight:600;animation:.6s ease-out fade-in-up;display:inline-flex}.hero-badge .pulse-dot{background:var(--success);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;box-shadow:0 0 #10b98166}50%{opacity:.7;box-shadow:0 0 0 6px #10b98100}}.hero h1{font-size:var(--fs-5xl);letter-spacing:-.04em;margin-bottom:var(--space-6);font-weight:900;line-height:1.05;animation:.6s ease-out .1s both fade-in-up}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero .subtitle{font-size:var(--fs-lg);color:var(--text-secondary);max-width:600px;margin:0 auto var(--space-10);line-height:1.7;animation:.6s ease-out .2s both fade-in-up}.hero-actions{justify-content:center;align-items:center;gap:var(--space-4);margin-bottom:var(--space-16);animation:.6s ease-out .3s both fade-in-up;display:flex}.hero-stats{justify-content:center;align-items:center;gap:var(--space-12);animation:.6s ease-out .4s both fade-in-up;display:flex}.hero-stat .value{font-size:var(--fs-3xl);color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:900;line-height:1}.hero-stat .label{font-size:var(--fs-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:var(--space-1);font-weight:600}.section{margin-bottom:var(--space-12)}.section-header{margin-bottom:var(--space-6);justify-content:space-between;align-items:baseline;display:flex}.section-header h2{font-size:var(--fs-xl);letter-spacing:-.02em;font-weight:800}.section-header .view-all{font-size:var(--fs-sm);color:var(--text-muted);transition:color var(--transition-fast)}.section-header .view-all:hover{color:var(--accent-tertiary)}.exam-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}.exam-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5) var(--space-6);cursor:pointer;transition:all var(--transition-base);color:inherit;flex-direction:column;text-decoration:none;display:flex;position:relative;overflow:hidden}.exam-card:before{content:"";background:var(--accent-gradient);opacity:0;height:3px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.exam-card:hover{background:var(--bg-card-hover);border-color:var(--border-medium);box-shadow:var(--shadow-glow);transform:translateY(-3px)}.exam-card:hover:before{opacity:1}.exam-card-title{font-size:var(--fs-base);color:var(--text-primary);margin-bottom:var(--space-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-weight:700;line-height:1.4;display:-webkit-box;overflow:hidden}.exam-card-meta{gap:var(--space-2);margin-bottom:var(--space-3);flex-wrap:wrap;display:flex}.exam-card-stats{align-items:center;gap:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--border-subtle);margin-top:auto;display:flex}.exam-card-stats span{font-size:var(--fs-xs);color:var(--text-muted);align-items:center;gap:var(--space-1);display:flex}.tag{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em;align-items:center;padding:2px 8px;font-size:10px;font-weight:600;display:inline-flex}.tag-purple{color:var(--accent-tertiary);background:#6366f11a;border:1px solid #6366f126}.tag-green{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.tag-blue{background:var(--info-bg);color:var(--info);border:1px solid #3b82f633}.tag-yellow{background:var(--warning-bg);color:var(--warning);border:1px solid var(--warning-border)}.quiz-container{max-width:var(--max-narrow);margin:0 auto}.quiz-progress{align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);display:flex}.quiz-progress-bar{background:#ffffff0f;border-radius:3px;flex:1;height:6px;overflow:hidden}.quiz-progress-fill{background:var(--accent-gradient);height:100%;transition:width var(--transition-slow);border-radius:3px}.quiz-progress-text{font-size:var(--fs-sm);color:var(--text-muted);font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}.quiz-question-number{font-size:var(--fs-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--space-3);font-weight:700}.quiz-tema{align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);display:inline-flex}.quiz-enunciado{font-size:var(--fs-md);color:var(--text-primary);margin-bottom:var(--space-6);padding:var(--space-6);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);line-height:1.9}.alternatives{gap:var(--space-3);margin-bottom:var(--space-6);flex-direction:column;display:flex}.alternative{align-items:flex-start;gap:var(--space-4);padding:var(--space-4) var(--space-5);border:2px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;display:flex}.alternative:hover:not(.disabled){border-color:var(--border-medium);background:#ffffff05;transform:translate(4px)}.alternative.selected{border-color:var(--accent-primary);background:var(--accent-glow)}.alternative.correct{border-color:var(--success);background:var(--correct-bg)}.alternative.wrong{border-color:var(--error);background:var(--wrong-bg)}.alternative.disabled{cursor:default}.alternative.correct-reveal{border-color:var(--success-border);background:var(--correct-bg)}.alt-letter{border-radius:var(--radius-full);width:32px;height:32px;font-size:var(--fs-sm);color:var(--text-secondary);transition:all var(--transition-fast);background:#ffffff0f;flex-shrink:0;justify-content:center;align-items:center;font-weight:800;display:flex}.alternative.selected .alt-letter{background:var(--accent-primary);color:#fff}.alternative.correct .alt-letter{background:var(--success);color:#fff}.alternative.wrong .alt-letter{background:var(--error);color:#fff}.alternative.correct-reveal .alt-letter{color:var(--success);background:#10b98126}.alt-text{font-size:var(--fs-base);color:var(--text-secondary);flex:1;padding-top:4px;line-height:1.6}.alternative.correct .alt-text{color:var(--success)}.alternative.wrong .alt-text{color:var(--error-light)}.alt-indicator{font-size:var(--fs-lg);flex-shrink:0;margin-left:auto;padding-top:4px}.explanation-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);margin-top:var(--space-6);animation:.4s ease-out fade-in-up}.explanation-card h3{font-size:var(--fs-lg);margin-bottom:var(--space-4);align-items:center;gap:var(--space-2);font-weight:700;display:flex}.explanation-content{font-size:var(--fs-base);color:var(--text-secondary);line-height:1.9}.explanation-content p{margin-bottom:var(--space-3)}.explanation-content strong{color:var(--text-primary);font-weight:600}.result-banner{align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-6);border-radius:var(--radius-lg);margin-bottom:var(--space-4);animation:.3s ease-out fade-in-up;display:flex}.result-banner.correct{background:var(--correct-bg);border:1px solid var(--correct-border)}.result-banner.wrong{background:var(--wrong-bg);border:1px solid var(--wrong-border)}.result-banner .result-icon{font-size:var(--fs-2xl)}.result-banner .result-text{font-size:var(--fs-base);font-weight:600}.result-banner.correct .result-text{color:var(--success)}.result-banner.wrong .result-text{color:var(--error)}.flashcards-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}.flashcard{perspective:1000px;cursor:pointer;height:220px}.flashcard-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{backface-visibility:hidden;padding:var(--space-6);border-radius:var(--radius-lg);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.flashcard-front{background:var(--bg-card);border:1px solid var(--border-subtle)}.flashcard-front p{font-size:var(--fs-sm);color:var(--text-secondary);line-height:1.7}.flashcard-back{border:1px solid var(--border-accent);background:linear-gradient(135deg,#6366f114,#8b5cf614);transform:rotateY(180deg)}.flashcard-back p{font-size:var(--fs-sm);color:var(--text-primary);font-weight:500;line-height:1.7}.flashcard-hint{bottom:var(--space-3);font-size:var(--fs-xs);color:var(--text-muted);position:absolute}.score-screen{text-align:center;padding:var(--space-16) var(--space-8);max-width:600px;margin:0 auto}.score-circle{width:180px;height:180px;margin:0 auto var(--space-8);animation:scale-in .5s var(--transition-spring);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.score-circle:before{content:"";background:var(--accent-gradient);-webkit-mask-composite:xor;border-radius:50%;padding:4px;position:absolute;inset:-4px;-webkit-mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.score-circle .score-value{font-size:var(--fs-4xl);color:var(--text-primary);font-weight:900;line-height:1}.score-circle .score-label{font-size:var(--fs-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:var(--space-1);font-weight:600}@keyframes scale-in{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.score-details{justify-content:center;gap:var(--space-8);margin-bottom:var(--space-8);display:flex}.score-detail{text-align:center}.score-detail .value{font-size:var(--fs-xl);font-weight:800}.score-detail .label{font-size:var(--fs-xs);color:var(--text-muted)}.score-detail.correct .value{color:var(--success)}.score-detail.wrong .value{color:var(--error)}.kpi-grid{gap:var(--space-4);margin-bottom:var(--space-8);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid}.kpi-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5);transition:all var(--transition-base);position:relative;overflow:hidden}.kpi-card:before{content:"";background:var(--accent-gradient);opacity:0;height:2px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.kpi-card:hover:before{opacity:1}.kpi-card:hover{border-color:var(--border-medium);transform:translateY(-2px)}.kpi-icon{font-size:var(--fs-xl);margin-bottom:var(--space-2)}.kpi-value{font-size:var(--fs-2xl);color:var(--text-primary);margin-bottom:var(--space-1);font-variant-numeric:tabular-nums;font-weight:800;line-height:1}.kpi-label{font-size:var(--fs-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.live-feed{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.live-feed-header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;display:flex}.live-feed-header h3{align-items:center;gap:var(--space-2);font-size:var(--fs-sm);font-weight:600;display:flex}.live-dot{background:var(--success);border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse-dot}.live-feed-body{max-height:400px;font-family:var(--font-mono);font-size:var(--fs-xs);overflow-y:auto}.log-entry{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-5);border-bottom:1px solid #ffffff05;animation:.3s ease-out log-slide-in;display:flex}.log-entry:hover{background:#ffffff04}.log-time{color:var(--text-muted);white-space:nowrap}.log-status{margin-left:auto;font-weight:600}.log-status.s200{color:var(--success)}.log-status.s400{color:var(--warning)}.log-status.s500{color:var(--error)}@keyframes log-slide-in{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}.chart-container{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5) var(--space-6)}.chart-container h3{font-size:var(--fs-sm);margin-bottom:var(--space-4);color:var(--text-secondary);font-weight:600}.chart-bar{align-items:center;gap:var(--space-3);margin-bottom:var(--space-3);display:flex}.chart-bar-label{font-size:var(--fs-xs);color:var(--text-secondary);text-align:right;white-space:nowrap;text-overflow:ellipsis;min-width:120px;overflow:hidden}.chart-bar-track{border-radius:var(--radius-sm);background:#ffffff08;flex:1;height:26px;overflow:hidden}.chart-bar-fill{border-radius:var(--radius-sm);background:var(--accent-gradient);height:100%;padding:0 var(--space-2);align-items:center;min-width:fit-content;transition:width 1s cubic-bezier(.4,0,.2,1);display:flex}.chart-bar-value{font-size:var(--fs-xs);color:#fff;white-space:nowrap;font-weight:700}.metrics-grid{gap:var(--space-6);grid-template-columns:1fr 1fr;display:grid}.code-block{border-radius:var(--radius-md);background:var(--bg-code);border:1px solid var(--border-subtle);position:relative;overflow:hidden}.code-block-header{padding:var(--space-2) var(--space-4);border-bottom:1px solid var(--border-subtle);background:#ffffff05;justify-content:space-between;align-items:center;display:flex}.code-block-tabs{gap:var(--space-1);display:flex}.code-tab{padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);font-size:var(--fs-xs);cursor:pointer;color:var(--text-muted);font-weight:600;font-family:var(--font-sans);transition:all var(--transition-fast);background:0 0;border:none}.code-tab.active{color:var(--text-primary);background:#ffffff0f}.code-copy{padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);font-size:var(--fs-xs);color:var(--text-muted);cursor:pointer;font-family:var(--font-sans);transition:all var(--transition-fast);background:0 0;border:none}.code-copy:hover{color:var(--text-primary)}.code-copy.copied{color:var(--success)}.code-block pre{padding:var(--space-4);font-size:var(--fs-sm);line-height:1.65;overflow-x:auto}.tk-key{color:#61afef}.tk-str{color:#98c379}.tk-num,.tk-bool,.tk-null{color:#d19a66}.tk-punc{color:#636d83}.tk-kw{color:#c678dd}.tk-cm{color:#5c6370;font-style:italic}.params-table{border-collapse:collapse;width:100%;font-size:var(--fs-sm)}.params-table th{text-align:left;padding:var(--space-2) var(--space-3);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);border-bottom:1px solid var(--border-medium);font-weight:700}.params-table td{padding:var(--space-3);border-bottom:1px solid var(--border-subtle);vertical-align:top}.params-table tr:last-child td{border-bottom:none}.endpoint-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);margin-bottom:var(--space-4);transition:all var(--transition-base);overflow:hidden}.endpoint-card:hover{border-color:var(--border-medium)}.endpoint-header{align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-5);cursor:pointer;display:flex}.method-badge{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--success);background:#10b9811f;border-radius:4px;padding:2px 7px;font-size:10px;font-weight:700}.endpoint-path{font-family:var(--font-mono);font-size:var(--fs-sm);color:var(--text-primary);font-weight:500}.endpoint-desc{font-size:var(--fs-sm);color:var(--text-muted);margin-left:auto}.endpoint-chevron{color:var(--text-muted);transition:transform var(--transition-fast);font-size:var(--fs-sm)}.endpoint-chevron.open{transform:rotate(180deg)}.endpoint-body{padding:0 var(--space-5) var(--space-5);border-top:1px solid var(--border-subtle)}.section-label{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:var(--space-4) 0 var(--space-3);font-weight:700}.form-group{margin-bottom:var(--space-4)}.form-label{font-size:var(--fs-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-2);font-weight:600;display:block}.form-input,.form-select{width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-primary);font-family:var(--font-sans);font-size:var(--fs-sm);transition:all var(--transition-fast);outline:none}.form-input:focus,.form-select:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a6478' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-3) center;padding-right:var(--space-8)}.playground-layout{gap:var(--space-6);grid-template-columns:1fr 1fr;align-items:start;display:grid}.panel{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.panel-header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;display:flex}.panel-header h3{font-size:var(--fs-sm);font-weight:600}.panel-body{padding:var(--space-5)}.docs-layout{gap:var(--space-8);display:flex}.docs-sidebar{width:240px;top:calc(var(--header-height) + var(--space-8));max-height:calc(100vh - var(--header-height) - var(--space-16));flex-shrink:0;position:sticky;overflow-y:auto}.docs-sidebar-section{margin-bottom:var(--space-5)}.docs-sidebar-title{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:0 var(--space-3);margin-bottom:var(--space-2);font-weight:700}.docs-sidebar-link{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--fs-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-decoration:none;display:flex}.docs-sidebar-link:hover{color:var(--text-primary);background:#ffffff0a}.docs-sidebar-link.active{color:var(--accent-tertiary);background:var(--accent-glow)}.docs-main{flex:1;min-width:0}.status-badge{align-items:center;gap:var(--space-1);border-radius:var(--radius-full);font-family:var(--font-mono);font-size:var(--fs-xs);padding:2px 8px;font-weight:700;display:inline-flex}.status-badge.success{background:var(--success-bg);color:var(--success)}.status-badge.error{background:var(--error-bg);color:var(--error)}.loading-shimmer{border-radius:var(--radius-md);background:#ffffff08;position:relative;overflow:hidden}.loading-shimmer:after{content:"";background:linear-gradient(90deg,#0000 0%,#ffffff0a 50%,#0000 100%);animation:1.5s ease-in-out infinite shimmer;position:absolute;inset:0}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.spinner{border:3px solid var(--border-subtle);border-top-color:var(--accent-primary);width:32px;height:32px;margin:var(--space-8) auto;border-radius:50%;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--space-16) var(--space-8)}.empty-state .empty-icon{margin-bottom:var(--space-4);font-size:48px}.empty-state h3{font-size:var(--fs-lg);margin-bottom:var(--space-2);font-weight:700}.empty-state p{color:var(--text-muted);font-size:var(--fs-sm)}.footer{text-align:center;padding:var(--space-8) var(--space-4);border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:var(--fs-xs)}@keyframes fade-in-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.animate-in{animation:.5s ease-out fade-in-up}@media (width<=1024px){.metrics-grid,.playground-layout{grid-template-columns:1fr}.docs-sidebar{display:none}}@media (width<=768px){:root{--fs-5xl:2.5rem;--fs-4xl:2rem;--fs-3xl:1.75rem;--fs-2xl:1.5rem}.page-content{padding:var(--space-4);padding-top:calc(var(--header-height) + var(--space-4))}.hero{padding:var(--space-10) var(--space-4) var(--space-8)}.hero-stats{gap:var(--space-6);flex-wrap:wrap}.hero-actions{flex-direction:column}.exam-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}.flashcards-grid{grid-template-columns:1fr}.header-nav{display:none}.header-mobile-toggle{display:block}.header{padding:0 var(--space-4)}}.explanation-content ul,.explanation-content ol{margin-left:var(--space-4);margin-bottom:var(--space-4)}.explanation-content li{margin-bottom:var(--space-2)}.explanation-content h1,.explanation-content h2,.explanation-content h3,.explanation-content h4{color:var(--text-primary);margin-top:var(--space-4);margin-bottom:var(--space-2)}.elite-layout{gap:var(--space-6);align-items:flex-start;max-width:1200px;margin:0 auto;display:flex}@media (width<=768px){.elite-layout{flex-direction:column}}.elite-sidebar{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);padding:var(--space-4);flex:0 0 280px;position:sticky;top:80px}@media (width<=768px){.elite-sidebar{flex:none;width:100%;position:static}}.elite-content{flex:1;min-width:0}.q-grid{grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:8px;max-height:400px;padding-right:4px;display:grid;overflow-y:auto}.q-grid-item{aspect-ratio:1;font-size:var(--fs-xs);cursor:pointer;background:var(--bg-body);border:1px solid var(--border-strong);color:var(--text-secondary);border-radius:6px;justify-content:center;align-items:center;font-weight:700;transition:all .2s;display:flex;position:relative}.q-grid-item:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.q-grid-item.current{border:2px solid var(--accent-primary);font-weight:800}.q-grid-item.correct{color:var(--success);background:#10b98126;border-color:#10b98166}.q-grid-item.wrong{color:var(--error);background:#ef444426;border-color:#ef444466}.q-grid-item .flag-dot{background:var(--accent-secondary);border:2px solid var(--bg-card);border-radius:50%;width:10px;height:10px;position:absolute;top:-3px;right:-3px}.alternative.eliminated{opacity:.5;background:var(--bg-body);border-color:var(--border-subtle);cursor:not-allowed}.alternative.eliminated .alt-text{text-decoration:line-through}.quiz-timer{font-family:monospace;font-size:var(--fs-lg);color:var(--text-primary);background:var(--bg-card);padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm);align-items:center;gap:8px;font-weight:700;display:flex}.quiz-timer.warning{color:var(--error);border-color:#ef444466}.quiz-top-actions{margin-bottom:var(--space-4);justify-content:space-between;align-items:center;display:flex}.sync-screen{background:var(--bg-body);z-index:9999;text-align:center;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.sync-container{max-width:500px;padding:var(--space-6);flex-direction:column;align-items:center;display:flex}.sync-spinner-wrapper{margin-bottom:var(--space-6);justify-content:center;align-items:center;height:80px;display:flex}.sync-spinner{border:4px solid #7c3aed33;border-top-color:var(--accent-primary);border-radius:50%;width:60px;height:60px;animation:1s linear infinite spin}.sync-success{color:var(--success);animation:.3s cubic-bezier(.175,.885,.32,1.275) popIn}.sync-icon-wrapper.error{color:var(--error);margin-bottom:var(--space-4)}.sync-screen h2{font-size:var(--fs-xl);margin-bottom:var(--space-3);color:var(--text-primary);font-weight:800}.sync-desc{font-size:var(--fs-base);color:var(--text-secondary);margin-bottom:var(--space-8);line-height:1.6}.sync-status-box{color:var(--accent-tertiary);border-radius:var(--radius-full);font-size:var(--fs-sm);background:#7c3aed1a;border:1px solid #7c3aed33;align-items:center;gap:12px;padding:12px 24px;font-weight:600;display:inline-flex}@keyframes popIn{0%{transform:scale(0)}to{transform:scale(1)}}.spin{animation:1.5s linear infinite spin-fast}@keyframes spin-fast{to{transform:rotate(360deg)}}.sync-status-box{animation:2s ease-in-out infinite pulse-soft}@keyframes pulse-soft{0%{box-shadow:0 0 #7c3aed66}70%{box-shadow:0 0 0 10px #7c3aed00}to{box-shadow:0 0 #7c3aed00}}@media (width<=768px){.hide-mobile,.logo-text-hide-mobile{display:none!important}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.shake{animation:.3s cubic-bezier(.36,.07,.19,.97) both shake}@keyframes float-up{0%{opacity:0;transform:translateY(0)scale(.8)}20%{opacity:1;transform:translateY(-10px)scale(1.2)}80%{opacity:1;transform:translateY(-30px)scale(1)}to{opacity:0;transform:translateY(-40px)scale(.8)}}.floating-xp{color:var(--accent-primary);text-shadow:0 2px 10px #7c3aed80;pointer-events:none;z-index:50;font-size:1.5rem;font-weight:900;animation:1.2s ease-out forwards float-up;position:absolute}@keyframes combo-pop{0%{opacity:0;transform:scale(.5)rotate(-5deg)}50%{opacity:1;transform:scale(1.2)rotate(5deg)}to{opacity:1;transform:scale(1)rotate(0)}}.combo-popup{background:linear-gradient(135deg,#f59e0b,#ef4444);-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:2px;filter:drop-shadow(0 4px 12px #ef444466);z-index:200;pointer-events:none;-webkit-background-clip:text;font-size:3rem;font-weight:900;animation:.5s cubic-bezier(.175,.885,.32,1.275) forwards combo-pop;position:fixed;top:20%;left:50%;transform:translate(-50%,-50%)}@keyframes screen-flash-success{0%{box-shadow:inset 0 0 #10b98100}10%{box-shadow:inset 0 0 100px 10px #10b98133}to{box-shadow:inset 0 0 #10b98100}}.flash-success{animation:.6s ease-out forwards screen-flash-success}.page-enter{animation:.4s ease-out forwards fade-in-up}.card-interactive{transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1)}.card-interactive:hover{box-shadow:0 12px 24px -10px #7c3aed33, 0 0 0 1px var(--accent-primary);transform:translateY(-4px)}.card-interactive:active{transform:translateY(0)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-body)}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, var(--border-subtle) 50%, var(--bg-card) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}.skeleton-text{width:100%;height:20px;margin-bottom:8px}.skeleton-text.short{width:60%}.modal-overlay{animation:.3s fadeIn}.popup-scale{animation:.3s cubic-bezier(.175,.885,.32,1.275) popScale}@keyframes popScale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-danger{border:1px solid var(--error);box-shadow:0 0 40px #ef444433}