@import"https://fonts.googleapis.com/css2?family=Cookie&family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600;700&display=swap";:root{--bg-gradient-start: #f7f4ee;--bg-gradient-end: #f1ece2;--surface: #ffffff;--surface-solid: #ffffff;--glass-bg: rgba(255, 255, 255, .95);--glass-border: rgba(0, 0, 0, .06);--text-main: #1c1a17;--text-muted: #6b6557;--text-light: #a59e8e;--primary: #1c1a17;--primary-hover: #000000;--primary-light: #f1ece2;--primary-grad: #1c1a17;--accent: #e8852a;--accent-hover: #d4761d;--accent-light: #fdf2e3;--secondary: #2f8f5b;--border-color: #e4ddcf;--border-ink: #1c1a17;--success: #2f8f5b;--success-bg: #eaf5ee;--success-border: #b8ddc7;--error: #cf3b3b;--error-bg: #fbeceb;--error-border: #f1c4c1;--warning: #e8852a;--warning-bg: #fdf2e3;--warning-border: #f6d9b0;--shadow-sm: 0 1px 2px rgba(28, 26, 23, .06);--shadow-md: 0 2px 6px rgba(28, 26, 23, .08);--shadow-lg: 4px 4px 0 rgba(28, 26, 23, .1);--shadow-float: 6px 6px 0 rgba(28, 26, 23, .14);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-pill: 9999px}.dark-mode{--bg-gradient-start: #181613;--bg-gradient-end: #211e19;--surface: #232019;--surface-solid: #232019;--glass-bg: rgba(35, 32, 25, .95);--glass-border: rgba(255, 255, 255, .08);--text-main: #f3ede1;--text-muted: #b3a892;--text-light: #80765f;--primary: #f3ede1;--primary-hover: #ffffff;--primary-light: #2c2820;--primary-grad: #f3ede1;--accent: #f0974a;--accent-hover: #f5a862;--accent-light: #33291c;--secondary: #5cc088;--border-color: #3a3529;--border-ink: #f3ede1;--success: #5cc088;--success-bg: rgba(47, 143, 91, .15);--success-border: rgba(92, 192, 136, .3);--error: #f0726f;--error-bg: rgba(207, 59, 59, .15);--error-border: rgba(240, 114, 111, .3);--warning: #f0974a;--warning-bg: rgba(232, 133, 42, .15);--shadow-sm: 0 1px 2px rgba(0,0,0,.5);--shadow-md: 0 2px 6px rgba(0,0,0,.5);--shadow-lg: 4px 4px 0 rgba(0,0,0,.5);--shadow-float: 6px 6px 0 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.ad-placeholder{background:#ffffff05;border-color:var(--border-color)}.dark-mode .results-stats{background:var(--primary-light);border-color:var(--border-ink)}.dark-mode .quiz-nav-sidebar{border-color:var(--border-color)}.dark-mode .nav-links{background:transparent;border-color:var(--border-ink)}.dark-mode .btn-secondary{background:#2c2820;border-color:var(--border-ink);color:var(--text-main)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-gradient-start);background-image:linear-gradient(rgba(28,26,23,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(28,26,23,.025) 1px,transparent 1px),linear-gradient(180deg,var(--bg-gradient-start) 0%,var(--bg-gradient-end) 100%);background-size:28px 28px,28px 28px,100% 100%;background-attachment:fixed;color:var(--text-main);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6,.app-title{font-family:Space 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1.1rem;border-radius:var(--radius-sm);transition:all .15s ease}.nav-btn:hover{color:var(--text-main);background:var(--primary-light)}.nav-btn.active{background:var(--primary);color:var(--surface)}.dark-toggle{background:transparent;border:1.5px solid var(--border-ink);color:var(--text-main);width:38px;height:38px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.dark-toggle:hover{background:var(--accent);color:#1c1a17;border-color:var(--border-ink)}.layout-wrapper{display:flex;flex:1;width:100%;max-width:1400px;margin:0 auto;padding:0 1rem}.ad-sidebar{display:none;width:250px;padding:2rem 1rem;flex-shrink:0;position:sticky;top:100px;height:max-content}.ad-placeholder{background:#00000008;border:2px dashed var(--border-color);border-radius:var(--radius-md);height:600px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;position:sticky;top:100px;padding:1rem}.ad-placeholder span{font-weight:600;font-size:1.1rem;margin-bottom:.5rem}.ad-placeholder small{font-size:.85rem;opacity:.8}@media(min-width:1100px){.ad-sidebar{display:block}}.main-content{flex:1;padding:3rem 2rem;margin:0 auto;width:100%;max-width:1200px}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1.5px solid var(--border-ink);padding:2.5rem;margin-bottom:2.5rem;position:relative;overflow:hidden}.card:hover{box-shadow:var(--shadow-float);transition:box-shadow .2s ease}.card-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1.5px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.card-title{font-size:2rem;font-weight:700;color:var(--text-main);font-family:Space Grotesk,sans-serif;letter-spacing:-.02em}.btn{appearance:none;background:var(--primary);color:var(--surface);font-family:Space Grotesk,sans-serif;font-weight:600;font-size:1.05rem;padding:.8rem 1.9rem;border:1.5px solid var(--border-ink);border-radius:var(--radius-sm);cursor:pointer;transition:transform .1s ease,box-shadow .1s ease;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;box-shadow:3px 3px 0 var(--border-ink)}.dark-mode .btn{box-shadow:3px 3px #00000080}.btn:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--border-ink)}.dark-mode .btn:hover:not(:disabled){box-shadow:4px 4px #00000080}.btn-warning{background:var(--accent);color:#1c1a17}.btn:active:not(:disabled){transform:translate(1px,1px);box-shadow:1px 1px 0 var(--border-ink)}.btn:disabled{background:var(--text-light);border-color:var(--text-light);box-shadow:none;cursor:not-allowed;transform:none}.btn-secondary{background:var(--surface-solid);color:var(--text-main);border:1.5px solid var(--border-ink);box-shadow:3px 3px 0 var(--border-ink)}.dark-mode .btn-secondary{box-shadow:3px 3px #00000080}.btn-secondary:hover:not(:disabled){background:var(--primary-light)}.options-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.option-btn{background:var(--surface-solid);color:var(--text-main);text-align:left;padding:1.15rem 1.4rem;font-family:Inter,sans-serif;font-size:1.1rem;border:1.5px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:flex-start;transition:all .12s ease;line-height:1.5}.option-btn:hover:not(:disabled){border-color:var(--border-ink);transform:translate(3px)}.option-btn.selected{border-color:var(--border-ink);background-color:var(--accent-light);color:var(--text-main)}.option-btn.correct{background-color:var(--success-bg);border-color:var(--success);color:var(--text-main)}.option-btn.incorrect{background-color:var(--error-bg);border-color:var(--error);color:var(--text-main)}.option-btn:disabled{cursor:default;transform:none}.setup-hero{text-align:center;margin-bottom:1.75rem}.setup-hero-sub{color:var(--text-muted);font-size:1.02rem;max-width:460px;margin:0 auto;line-height:1.5}.setup-availability{border-top:1px solid var(--border-color);padding-top:.75rem;margin-top:.2rem}.setup-bank{font-size:.85rem;text-align:center;color:var(--text-muted);margin-top:.4rem}.setup-form{display:flex;flex-direction:column;gap:1.4rem;max-width:550px;margin:0 auto}.setup-group{display:flex;flex-direction:column;gap:.5rem}.setup-group label{font-size:1.05rem;font-weight:600;color:var(--text-main)}.setup-select{width:100%;padding:1rem;background:var(--surface-solid);color:var(--text-main);font-family:Inter,sans-serif;font-size:1rem;border:2px solid var(--border-color);border-radius:var(--radius-md);outline:none;transition:all .2s;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1.2rem}.setup-select:focus{border-color:var(--border-ink);box-shadow:0 0 0 3px var(--accent-light)}.progress-container{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;font-size:1rem;font-weight:500;color:var(--text-muted)}.question-progress-track{height:8px;background:var(--border-color);border-radius:4px;margin-bottom:1.5rem;overflow:hidden;box-shadow:inset 0 1px 2px #0000000d}.question-progress-fill{height:100%;background:var(--accent);transition:width .5s cubic-bezier(.4,0,.2,1);border-radius:4px}.topic-badge{background:var(--accent-light);color:var(--accent-hover);padding:.3rem .7rem;border-radius:var(--radius-sm);font-family:JetBrains Mono,monospace;font-size:.75rem;font-weight:600;letter-spacing:.01em;border:1px solid var(--warning-border)}.dark-mode .topic-badge{color:var(--accent)}.question-text{font-size:1.4rem;font-weight:600;margin-bottom:2rem;line-height:1.6;color:var(--text-main)}.exam-question-text,.fails-q-text{white-space:pre-line}.explanation-box{background:var(--accent-light);padding:1.5rem;border-radius:var(--radius-sm);margin-bottom:2rem;border:1.5px solid var(--border-color);border-left:4px solid var(--accent);font-size:1.05rem;line-height:1.7;color:var(--text-main);animation:slideUpFade .4s ease-out}.setup-info{font-size:1rem;color:var(--text-muted);text-align:center}.notes-diagram{margin:0 0 1.4rem;padding:.85rem 1rem;border:1.5px solid var(--border-color);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-main);box-shadow:var(--shadow-sm);max-width:540px}.notes-diagram svg{max-width:520px;margin:0 auto}.notes-exam-tip{background:var(--success-bg);border:1px solid var(--success-border);padding:1.25rem;border-radius:var(--radius-md);margin-top:1.5rem;font-size:1rem;color:var(--text-main)}.notes-heading{font-size:1rem;font-weight:700;margin-bottom:6px;background:#e8e8e8;padding:4px 8px;color:var(--text-main)}.dark-mode .notes-heading{background:#2c2820}.notes-list{padding-left:1.2rem;margin:0;color:var(--text-main)}.results-card{text-align:center}.score-display{font-size:5rem;font-family:Space Grotesk,sans-serif;font-weight:700;margin:2rem 0;color:var(--accent);letter-spacing:-.03em}.score-display.low{color:var(--error)}.results-stats{display:flex;justify-content:center;gap:4rem;margin-bottom:3rem;padding:2rem;background:var(--primary-light);border-radius:var(--radius-md);border:1.5px solid var(--border-ink)}.stat-item{display:flex;flex-direction:column;align-items:center}.stat-value{font-family:Space Grotesk,sans-serif;font-size:2.5rem;font-weight:700;color:var(--text-main);margin-bottom:.25rem}.stat-label{font-family:JetBrains Mono,monospace;font-size:.8rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(45px,1fr));gap:10px;margin-top:1.5rem}.nav-grid .nav-btn{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-family:JetBrains Mono,monospace;font-weight:700;font-size:.9rem;padding:0;border:1.5px solid var(--border-color);background:var(--surface-solid);color:var(--text-main)}.nav-grid .nav-btn:hover{border-color:var(--border-ink);transform:translateY(-2px)}.nav-grid .nav-active{border-color:var(--border-ink);background:var(--accent-light);color:var(--accent-hover)}.nav-grid .nav-correct{background:var(--success);color:#fff;border-color:var(--success)}.nav-grid .nav-incorrect{background:var(--error);color:#fff;border-color:var(--error)}.flex-1{flex:1}.quiz-main-container{display:block;max-width:760px;margin:0 auto;width:100%}.quiz-main-container.quiz-active{max-width:860px}.quiz-active-layout{display:flex;flex-direction:column;gap:1.5rem}.quiz-nav-top{border-bottom:1px solid var(--border-color);padding-bottom:1rem;display:flex;flex-direction:column;align-items:center}.quiz-nav-top .nav-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:0;max-height:120px;overflow-y:auto;padding:4px}.quiz-nav-top .nav-grid .nav-btn{width:32px;height:32px;font-size:.8rem;border-radius:6px;flex-shrink:0}.quiz-nav-top .btn{margin-top:.75rem;font-size:.85rem;padding:.5rem 1rem}.quiz-timer-track{height:6px;background:var(--border-color);width:100%;position:absolute;top:0;left:0;right:0}.quiz-timer-fill{height:100%;transition:width 1s linear,background-color .3s}.window-body{width:100%}.explanation-box{background:var(--accent-light)}.dark-mode .explanation-box{background:#2c2820}@media(max-width:860px){.app-header{flex-wrap:wrap;padding:.85rem 1rem;gap:.6rem}.nav-links{order:3;width:100%;justify-content:center;overflow-x:auto}.app-title{font-size:1.35rem}.nav-btn{padding:.5rem .9rem;font-size:.9rem}.main-content{padding:1.75rem 1rem}.card{padding:1.5rem;border-radius:var(--radius-md)}.card-title{font-size:1.6rem}.results-stats{gap:1.75rem;padding:1.5rem}}.seo-about-bar{text-align:center;padding:.6rem 1.5rem;font-size:.78rem;color:var(--text-light);border-top:1px solid var(--border-color);background:var(--surface);line-height:1.5}.seo-about-bar strong{color:var(--text-muted);font-weight:600}.app-footer{display:flex;flex-direction:column;align-items:center;gap:.9rem;text-align:center;padding:2rem 1.5rem 2.5rem;margin-top:auto;color:var(--text-muted);font-size:.9rem;border-top:1.5px solid var(--border-ink);background:var(--surface)}.app-footer p{font-family:JetBrains Mono,monospace;font-size:.8rem;letter-spacing:.01em}.app-footer strong{color:var(--text-main);font-weight:700}.bmc-btn{display:inline-flex;align-items:center;gap:.5rem;font-family:Space Grotesk,sans-serif;font-weight:600;font-size:.95rem;text-decoration:none;color:#1c1a17;background:#fd0;padding:.6rem 1.2rem;border-radius:var(--radius-sm);border:1.5px solid var(--border-ink);box-shadow:3px 3px 0 var(--border-ink);transition:transform .1s ease,box-shadow .1s ease}.bmc-btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--border-ink)}.bmc-btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--border-ink)}.dark-mode .bmc-btn{box-shadow:3px 3px #00000080}.dark-mode .bmc-btn:hover{box-shadow:4px 4px #00000080}.bmc-official{display:inline-flex;align-items:center;gap:8px;background:#fd0;color:#000;border:1px solid #000000;border-radius:12px;padding:6px 18px;text-decoration:none;line-height:1;box-shadow:0 2px 2px #0000001f;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.bmc-official:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 5px 12px #0003}.bmc-official:active{transform:translateY(0);box-shadow:0 2px 2px #0000001f}.bmc-official .bmc-ico{font-size:1.2rem;line-height:1}.bmc-official .bmc-txt{font-family:Cookie,cursive;font-size:1.55rem;font-weight:400;color:#000;position:relative;top:1px}.share-footer-btn{display:inline-flex;align-items:center;gap:.4rem;font-family:Space Grotesk,sans-serif;font-weight:600;font-size:.9rem;color:var(--text-main);background:var(--surface-solid);border:1.5px solid var(--border-color);padding:.5rem 1rem;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s ease,transform .1s ease}.share-footer-btn:hover{background:var(--hover-bg);transform:translateY(-1px)}.bmc-results-banner{display:flex;align-items:center;gap:1rem;margin:2.5rem auto 0;padding:1.2rem 1.5rem;background:linear-gradient(135deg,#fffbea,#fff8d6);border:1.5px solid #f0d060;border-radius:var(--radius-lg);max-width:600px;flex-wrap:wrap}.dark-mode .bmc-results-banner{background:linear-gradient(135deg,#ffdd001a,#ffdd000d);border-color:#ffdd004d}.bmc-results-emoji{font-size:2rem;flex-shrink:0}.bmc-results-text{display:flex;flex-direction:column;gap:.2rem;flex:1;min-width:160px}.bmc-results-text strong{color:var(--text-main);font-size:.95rem}.bmc-results-text span{color:var(--text-muted);font-size:.85rem}.bmc-results-btn{display:inline-flex;align-items:center;gap:.4rem;font-family:Space Grotesk,sans-serif;font-weight:700;font-size:.9rem;text-decoration:none;color:#1c1a17;background:#fd0;padding:.55rem 1.2rem;border-radius:var(--radius-sm);border:1.5px solid rgba(0,0,0,.15);box-shadow:2px 2px #0000001f;transition:transform .1s ease,box-shadow .1s ease;white-space:nowrap;flex-shrink:0}.bmc-results-btn:hover{transform:translate(-1px,-1px);box-shadow:3px 3px #00000026}.question-text table{width:100%;border-collapse:collapse;margin:1rem 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