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p{color:#ffffffe6;margin:0}.post-testimonials-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.cta-btn{align-items:center;border-radius:0;display:inline-flex;font-weight:800;justify-content:center;min-height:46px;min-width:150px;padding:10px 18px;text-decoration:none;transition:all .25s ease;transition:var(--transition)}.cta-btn-solid{background:#fff;border:1px solid #fff;color:#1a1a1a}.cta-btn-outline{background:#0000;border:1px solid #ffffffdb;color:#fff}.cta-btn-outline:hover,.cta-btn-solid:hover{transform:translateY(-2px)}@media (max-width:1100px){.features-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:900px){.hero-section{min-height:auto;padding:90px 40px 110px}.hero-content{max-width:100%}.stats-band-wrapper{margin-top:-44px;padding:0 20px}.stats-band{flex-wrap:wrap;padding:28px 24px}.stat-item{flex:1 1 45%;padding:16px 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(max-width:480px){.verify-wrapper{padding:36px 24px}.verify-wrapper h1{font-size:1.4rem}}.db-sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;height:calc(100vh - var(--navbar-height));left:0;overflow-y:auto;padding:28px 20px;padding:var(--spacing-3xl) var(--spacing-xl);position:fixed;scrollbar-width:thin;top:var(--navbar-height);width:260px}.db-sidebar-user{border-bottom:1px solid var(--border);margin-bottom:20px;margin-bottom:var(--spacing-xl);padding-bottom:24px;padding-bottom:var(--spacing-2xl);text-align:center}.db-avatar{align-items:center;background:linear-gradient(135deg,#ffd600,#e6c000);background:linear-gradient(135deg,var(--primary-color,#ffd600),var(--primary-dark,#e6c000));border-radius:50%;color:#121212;display:flex;flex-shrink:0;font-size:1.6rem;font-weight:700;height:72px;justify-content:center;margin:0 auto 12px;margin:0 auto var(--spacing-md);overflow:hidden;width:72px}.db-avatar img{border-radius:50%;height:100%;object-fit:cover;width:100%}.db-sidebar-user h3{color:var(--text-primary);font-size:1rem;font-weight:700;margin:0 0 4px;margin:0 0 var(--spacing-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.db-sidebar-user p{color:var(--text-secondary);font-size:.8rem;margin:0;word-break:break-word}.db-role-badge{background:#ffd6001f;border-radius:999px;color:#ffd600;color:var(--primary-color,#ffd600);display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.05em;margin-top:8px;margin-top:var(--spacing-sm);padding:2px 10px;text-transform:uppercase}.db-role-badge.admin{background:#ef44441f;color:#ef4444}.db-nav{display:flex;flex:1 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#fdc72b1f;outline:none;transform:translateY(-1px)}.actions-row{align-items:center;display:flex;flex-wrap:wrap;gap:18px;margin-top:28px}.main-btn{background:linear-gradient(135deg,#ffd600,#e6c200);background:var(--gradient-primary);border:none;border-radius:8px;border-radius:var(--radius-md);box-shadow:0 8px 24px #fdc72b59;color:#1a1a1a;color:var(--secondary-color);cursor:pointer;flex:2 1;font-size:1.12rem;font-weight:700;min-width:200px;overflow:hidden;padding:16px 0;position:relative;transition:all .28s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.main-btn:before{background:linear-gradient(90deg,#0000,#ffffff29,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .6s;width:100%}.main-btn:hover{background:#1c1c1c;background:var(--surface);border:2px solid #ffd600;border:2px solid var(--primary-color);box-shadow:0 10px 15px #0006;box-shadow:var(--shadow-lg-dark);color:#ffd600;color:var(--primary-color);transform:translateY(-3px)}.main-btn:hover:before{left:100%}.clear-btn{background:#1c1c1c;background:var(--surface);border:2px solid #ffd600;border:2px solid var(--primary-color);border-radius:8px;border-radius:var(--radius-md);color:#f0f0f0;color:var(--text-primary);cursor:pointer;flex:1 1;font-size:1.03rem;font-weight:600;min-width:120px;padding:14px 0;transition:all .28s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.clear-btn:hover{background:#ffd600;background:var(--primary-color);border-color:#ffd600;border-color:var(--primary-color);box-shadow:0 8px 20px #fdc72b2e;color:#1a1a1a;color:var(--secondary-color);transform:translateY(-3px)}.extract-spinner{align-items:center;background:#1c1c1c;background:var(--surface);border-radius:8px;border-radius:var(--radius-md);box-shadow:0 4px 6px #0000004d;box-shadow:var(--shadow-md-dark);color:#d0d0d0;color:var(--text-secondary);display:none;font-size:1.05rem;font-weight:600;gap:14px;justify-content:center;margin:28px auto;padding:20px;text-align:center}.spinner{animation:spin 1s linear infinite;border:4px solid #333;border-top:4px solid #ffd600;border:4px solid var(--border-dark);border-radius:50%;border-top-color:var(--primary-color);display:inline-block;height:30px;margin-right:12px;vertical-align:middle;width:30px}.toast{animation:slideInRight .26s ease;background:#03903e;background:var(--enactus-success-green);box-shadow:0 4px 6px #0000004d;box-shadow:var(--shadow-md-dark);color:#fff;display:none;font-size:.98rem;padding:12px 20px;position:fixed;right:20px;top:88px;z-index:9999}.api-error-message,.toast{border-radius:10px;font-weight:600}.api-error-message{background:#e74c3c1f;border:2px solid #e74c3c33;color:#bd2413;color:var(--enactus-error-red);font-size:1rem;margin-top:20px;padding:16px 18px;text-align:center}.quiz-results-container{background:#1c1c1c;background:var(--surface);border:2px solid #333;border:2px solid var(--border-dark);border-radius:12px;border-radius:var(--radius-lg);box-shadow:0 4px 6px #0000004d;box-shadow:var(--shadow-md-dark);margin-top:34px;overflow:hidden;padding:32px;position:relative}.quiz-results-container:before{content:"";height:4px;left:0;position:absolute;top:0;width:100%}.quiz-results-container:before,.results-title{background:linear-gradient(135deg,#ffd600,#e6c200);background:var(--gradient-primary)}.results-title{-webkit-text-fill-color:#0000;-webkit-background-clip:text;background-clip:text;font-size:1.9rem;font-weight:800;margin-bottom:26px;text-align:center}.question-type-title,.results-title{color:#f0f0f0;color:var(--text-primary)}.question-type-title{align-items:center;border-bottom:3px solid #ffd600;border-bottom:3px solid var(--primary-color);display:flex;font-size:1.35rem;font-weight:700;gap:10px;margin-bottom:16px;margin-top:24px;padding-bottom:10px}.question-list{list-style:none;margin-top:14px;padding:0}.question-item{background:#121212;background:var(--background-color);border-left:4px solid #ffd600;border-left:4px solid var(--primary-color);border-radius:8px;border-radius:var(--radius-md);box-shadow:0 4px 12px #0000000f;counter-increment:question-counter;margin-bottom:20px;padding:18px;position:relative;transition:all .28s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.question-item:before{align-items:center;background:linear-gradient(135deg,#ffd600,#e6c200);background:var(--gradient-primary);border-radius:50%;box-shadow:0 4px 10px #fdc72b42;color:#1a1a1a;color:var(--secondary-color);content:counter(question-counter);display:flex;font-size:.88rem;font-weight:700;height:30px;justify-content:center;left:16px;position:absolute;top:-8px;width:30px}.question-item:hover{box-shadow:0 10px 15px #0006;box-shadow:var(--shadow-lg-dark);transform:translateY(-3px)}.question-text{color:#f0f0f0;color:var(--text-primary);font-size:1.08rem;font-weight:600;line-height:1.5;margin-bottom:12px;padding-top:6px}.options-list{list-style:none;margin:12px 0;padding:0}.options-list li{background:#1c1c1c;background:var(--surface);border-left:3px solid #ffd600;border-left:3px solid var(--primary-color);border-radius:8px;color:#d0d0d0;color:var(--text-secondary);font-size:1rem;margin-bottom:8px;padding:8px 14px 8px 36px;position:relative}.options-list li:before{align-items:center;background:#ffd600;background:var(--primary-color);border-radius:50%;color:#1a1a1a;color:var(--secondary-color);content:counter(option-counter,lower-alpha);counter-increment:option-counter;display:flex;font-size:.78rem;font-weight:700;height:20px;justify-content:center;left:12px;position:absolute;top:50%;transform:translateY(-50%);width:20px}.options-list{counter-reset:option-counter}.question-answer{background:#2ecc711f;border:1px solid #2ecc714d;border-radius:8px;color:#27ae60;font-size:.98rem;font-weight:600;margin-top:12px;padding:10px 12px}.character-count{color:#999;color:var(--text-muted);font-size:.9rem;margin-top:8px;text-align:right}.character-count #charCount{color:#ffd600;color:var(--primary-color);font-weight:700}.text-input-container{position:relative}.tab-content textarea:focus{background:#1c1c1c;background:var(--surface);border-color:#ffd600;border-color:var(--primary-color);box-shadow:0 0 0 3px #ffd6001f;outline:none;transform:translateY(-1px)}.file-name-display.success{border-color:#03903e4d;color:#03903e;color:var(--enactus-success-green)}.file-name-display.error{border-color:#bd24134d;color:#bd2413;color:var(--enactus-error-red)}.yt-input-row{align-items:center;display:flex;flex-wrap:wrap;gap:10px}.yt-link-icon{color:#999;color:var(--text-muted);flex-shrink:0;font-size:1rem}.yt-url-input{background:#121212;background:var(--background-color);border:2px solid #333;border:2px solid var(--border-dark);border-radius:8px;border-radius:var(--radius-md);box-sizing:border-box;color:#f0f0f0;color:var(--text-primary);flex:1 1;font-size:1rem;min-width:0;padding:13px 16px;transition:all .28s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.yt-url-input::placeholder{color:#a0a0a0;color:var(--enactus-placeholder)}.yt-url-input:focus{border-color:#ffd600;border-color:var(--primary-color);box-shadow:0 0 0 3px #ffd60014;outline:none}.yt-url-input:disabled{cursor:not-allowed;opacity:.6}.yt-load-btn{background:linear-gradient(135deg,#ffd600,#e6c200);background:var(--gradient-primary);border:2px solid #ffd600;border:2px solid var(--primary-color);border-radius:8px;border-radius:var(--radius-md);color:#1a1a1a;color:var(--secondary-color);cursor:pointer;flex-shrink:0;font-size:.98rem;font-weight:700;padding:13px 22px;transition:all .28s cubic-bezier(.4,0,.2,1);transition:var(--transition);white-space:nowrap}.yt-load-btn:hover:not(:disabled){background:#1c1c1c;background:var(--surface);box-shadow:0 4px 6px #0000004d;box-shadow:var(--shadow-md-dark);color:#ffd600;color:var(--primary-color);transform:translateY(-2px)}.yt-load-btn:disabled{cursor:not-allowed;opacity:.5}.yt-hint{color:#999;color:var(--text-muted);font-size:.9rem;line-height:1.5;margin-top:14px}@media (max-width:540px){.yt-input-row{align-items:stretch;flex-direction:column;gap:10px}.yt-link-icon{display:none}.yt-url-input{font-size:.95rem;width:100%}.yt-load-btn{text-align:center;width:100%}}.yt-preview{animation:slideDown .28s ease;background:#121212;background:var(--background-color);border:1px solid #333;border:1px solid var(--border-dark);border-radius:8px;border-radius:var(--radius-md);margin-top:18px;overflow:hidden}.yt-embed-wrapper{padding-bottom:56.25%;position:relative;width:100%}.yt-embed{border:none;height:100%;inset:0;position:absolute;width:100%}.yt-preview-meta{align-items:center;border-top:1px solid #333;border-top:1px solid var(--border-dark);display:flex;gap:12px;justify-content:space-between;padding:10px 14px}.yt-preview-title{color:#f0f0f0;color:var(--text-primary);font-size:.95rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.yt-preview-chars{color:#03903e;color:var(--enactus-success-green);flex-shrink:0;font-size:.85rem;font-weight:600;white-space:nowrap}@media (max-width:768px){.page-wrapper{margin-top:64px;padding:20px 16px}.quiz-card-container{border-radius:14px;padding:28px 20px}.main-page-title{font-size:1.9rem}.main-page-description{font-size:.98rem;margin-bottom:20px}.subject-section{padding:16px}.content-split{gap:16px;grid-template-columns:1fr}.tab{font-size:.98rem;padding:14px 0 12px}.tab-content{padding:20px}.upload-zone{padding:36px 16px}.upload-icon{font-size:3rem}.tab-content textarea{min-height:200px;padding:16px}.options-row{gap:16px 18px;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;padding:20px}.actions-row{flex-direction:column;gap:14px}.clear-btn,.main-btn{flex:none;font-size:1.02rem;min-width:0;min-width:auto;padding:14px 0;width:100%}.results-title{font-size:1.6rem}.question-type-title{font-size:1.25rem}.question-text{font-size:1rem}.quiz-results-container{padding:20px}.question-item{padding:16px}}@media (max-width:480px){.page-wrapper{padding:14px 12px}.quiz-card-container{border-radius:12px;padding:20px}.main-page-title{font-size:1.6rem}.main-page-description{font-size:.95rem;margin-bottom:18px}.upload-zone{padding:28px 12px}.upload-icon{font-size:2.4rem}.select-file-button{font-size:.98rem;padding:10px 20px}.tab-content textarea{font-size:.95rem;min-height:160px;padding:12px}.options-row{gap:12px 14px;grid-template-columns:1fr 1fr;padding:16px}.number-input{font-size:.96rem;padding:8px 10px;width:72px}#difficultySelect{font-size:.95rem;width:120px}.clear-btn,.main-btn{font-size:.98rem;padding:12px 0}.quiz-results-container{padding:18px}.results-title{font-size:1.45rem}.question-type-title{font-size:1.15rem;padding-bottom:8px}.question-text{font-size:.98rem}.options-list li{font-size:.92rem;padding:6px 10px}.question-answer{font-size:.9rem}}:root{--quiz-yellow:#ffd600;--quiz-yellow-dark:#e6c200;--quiz-black:#121212;--quiz-surface:#1c1c1c;--quiz-surface-elevated:#222;--quiz-border:#333;--quiz-text-primary:#f5f5f5;--quiz-text-secondary:#d0d0d0;--quiz-text-muted:#9ca3af;--quiz-red:#bd2413;--quiz-green:#03903e;--quiz-orange:#d97706}.quiz-page{background:#121212;background:var(--quiz-black);color:#d0d0d0;color:var(--quiz-text-secondary);margin:0 auto;max-width:1080px;min-height:100vh;padding:96px 20px 120px}.quiz-state-text{color:#f5f5f5;color:var(--quiz-text-primary)}.quiz-page-header{align-items:flex-end;display:flex;gap:16px;justify-content:space-between;margin-bottom:16px}.quiz-kicker{color:#ffd600;color:var(--quiz-yellow);font-size:.8rem;font-weight:700;letter-spacing:.6px;margin:0 0 6px;text-transform:uppercase}.quiz-page-header h1{color:#f5f5f5;color:var(--quiz-text-primary);font-size:1.5rem;font-weight:800;margin:0}.quiz-progress-copy{background:#0000;border:1px solid #ffd600;border:1px solid var(--quiz-yellow);border-radius:999px;color:#ffd600;color:var(--quiz-yellow);font-weight:700;margin:0;padding:8px 12px}.quiz-top-shell{grid-gap:10px;display:grid;gap:10px;grid-template-columns:1fr auto;margin-bottom:12px}.quiz-timer-pill{align-items:center;background:#bd2413;background:var(--quiz-red);border-radius:12px;box-shadow:0 8px 20px #0000004d;color:#fff;display:flex;gap:14px;justify-content:center;min-height:62px;padding:10px 16px}.quiz-timer-label,.quiz-timer-value{font-size:clamp(1rem,2vw,1.35rem);font-weight:900}.quiz-timer-value{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.quiz-timer-value.invisible{visibility:hidden}.quiz-hide-btn{background:#222;background:var(--quiz-surface-elevated);color:#f5f5f5;color:var(--quiz-text-primary);cursor:pointer;font-weight:700;min-width:82px;padding:0 14px}.quiz-hide-btn,.quiz-meta-shell{border:1px solid #333;border:1px solid var(--quiz-border);border-radius:12px}.quiz-meta-shell{background:#1c1c1c;background:var(--quiz-surface);margin-bottom:14px;padding:14px 16px}.quiz-meta-title{color:#f5f5f5;color:var(--quiz-text-primary);font-size:1.1rem;margin:0}.quiz-meta-row{align-items:center;display:flex;gap:12px;justify-content:space-between}.quiz-meta-status{color:#9ca3af;color:var(--quiz-text-muted);margin:0 0 0 auto;text-align:right}.quiz-flag-link{background:#0000;border:none;color:#ffd600;color:var(--quiz-yellow);cursor:pointer;font-weight:700;padding:0}.quiz-flag-link.active{color:#f87171}.quiz-question-shell{background:#1c1c1c;background:var(--quiz-surface);border:1px solid #333;border:1px solid var(--quiz-border);border-radius:14px;padding:22px}.quiz-question-body{color:#f5f5f5;color:var(--quiz-text-primary);font-size:clamp(1rem,1.6vw,1.18rem);line-height:1.65;margin-bottom:18px}.quiz-rich-text .md-code-inline{background:#ffd60026;color:#f5f5f5;color:var(--quiz-text-primary)}.quiz-rich-text .md-pre{background:#0f172a;border-color:#ffffff1f}.quiz-rich-text .md-pre .md-code-block{color:#e5e7eb}.quiz-rich-text .chatbot-table{background:#ffffff05;border-color:#ffffff1f}.quiz-rich-text .chatbot-td,.quiz-rich-text .chatbot-th{border-color:#ffffff14;color:#d0d0d0;color:var(--quiz-text-secondary)}.quiz-options-list{grid-gap:10px;display:grid;gap:10px}.quiz-option-row{align-items:flex-start;background:#121212;background:var(--quiz-black);border:1px solid #333;border:1px solid var(--quiz-border);border-radius:10px;color:#d0d0d0;color:var(--quiz-text-secondary);cursor:pointer;display:flex;font-size:1rem;gap:10px;padding:12px;text-align:left}.quiz-option-row.selected,.quiz-option-row:hover{border-color:#ffd600;border-color:var(--quiz-yellow)}.quiz-option-row.selected{background:#ffd60017}.quiz-option-dot{border:2px solid #9ca3af;border:2px solid var(--quiz-text-muted);border-radius:999px;display:inline-block;flex-shrink:0;height:18px;width:18px}.quiz-option-row.selected .quiz-option-dot{background:#ffd600;background:var(--quiz-yellow);border-color:#ffd600;border-color:var(--quiz-yellow)}.quiz-option-letter{color:#f5f5f5;color:var(--quiz-text-primary);font-weight:700;line-height:1.5;margin-top:1px}.quiz-option-text{color:#d0d0d0;color:var(--quiz-text-secondary);flex:1 1;line-height:1.5;min-width:0}.quiz-option-rich-text .md-p{margin:.25em 0}.quiz-short-answer-wrap{grid-gap:8px;display:grid;gap:8px;margin-top:10px}.quiz-short-answer-label{color:#ffd600;color:var(--quiz-yellow);font-weight:700}.quiz-short-answer-input{background:#121212;background:var(--quiz-black);border:1px solid #333;border:1px solid var(--quiz-border);border-radius:10px;color:#f5f5f5;color:var(--quiz-text-primary);font-size:1rem;min-height:56px;padding:12px 14px;width:100%}.quiz-short-answer-input:focus{border-color:#ffd600;border-color:var(--quiz-yellow);outline:2px solid #ffd60052}.quiz-actions-shell{display:flex;gap:10px;justify-content:space-between;margin-top:16px}.quiz-btn{border:none;border-radius:10px;cursor:pointer;font-size:.95rem;font-weight:800;min-height:44px;padding:10px 18px}.quiz-btn.quiz-btn-muted{background:#374151;color:#f3f4f6}.quiz-btn.quiz-btn-primary{background:#ffd600;background:var(--quiz-yellow);color:#111}.quiz-btn.quiz-btn-primary:hover{background:#e6c200;background:var(--quiz-yellow-dark)}.quiz-float-toggle{background:#ffd600;background:var(--quiz-yellow);border:none;border-radius:999px;bottom:18px;box-shadow:0 8px 18px #00000059;color:#111;cursor:pointer;font-weight:800;height:54px;left:18px;position:fixed;width:54px;z-index:1002}.quiz-navigator{background:#0d1117;box-shadow:-8px 0 24px #0006;color:#e5e7eb;height:calc(100vh - var(--navbar-height) - 24px);overflow-y:auto;padding:18px;position:fixed;right:-340px;top:calc(var(--navbar-height) + 12px);transition:right .25s ease;width:320px;z-index:1003}.quiz-navigator.open{right:0}.quiz-navigator-head{align-items:center;display:flex;justify-content:space-between;margin-bottom:14px}.quiz-navigator-head h3{color:#ffd600;color:var(--quiz-yellow);margin:0}.quiz-navigator-head button{background:#0000;border:none;color:#fff;cursor:pointer}.quiz-navigator-close{align-items:center;border-radius:999px;display:inline-flex;font-size:1.4rem;height:36px;justify-content:center;line-height:1;width:36px}.quiz-navigator-grid{grid-gap:8px;display:grid;gap:8px;grid-template-columns:repeat(5,minmax(0,1fr))}.quiz-navigator-footer{background:linear-gradient(180deg,#0d111700,#0d1117 28px);bottom:0;margin-top:16px;padding-top:12px;position:-webkit-sticky;position:sticky}.quiz-navigator-close-btn{background:#111827;border:1px solid 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