:root{--primary-color:#9b59b6;--secondary-color:#3498db;--accent-color:#f1c40f;--dark-bg:#1e1e1e;--card-bg:#1e1e1eb3;--light-text:#fff;--muted-text:#aaa;--success-color:#2ecc71;--error-color:#e74c3c;--border-radius:10px;--box-shadow:0 4px 15px #0003}.main-container{padding-bottom:50px}.fairness-content{max-width:1200px;margin:0 auto;padding:20px}.fairness-banner{background:linear-gradient(to right,#6a11cb,#2575fc);padding:50px 20px;color:#fff;text-align:center;margin-bottom:40px}.banner-title{font-size:2.5rem;margin-bottom:10px;text-shadow:0 2px 4px #0000004d}.banner-description{font-size:1.2rem;opacity:.9;margin-bottom:25px}.fairness-actions{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.fairness-btn{display:inline-flex;align-items:center;padding:12px 24px;border-radius:var(--border-radius);border:none;background-color:#ffffff26;color:#fff;font-weight:700;text-decoration:none;transition:all .3s ease;gap:8px}.fairness-btn:hover{background-color:#ffffff40;transform:translateY(-2px)}.fairness-btn.primary{background-color:var(--accent-color);color:#222}.fairness-btn.primary:hover{background-color:#f39c12}.fairness-section{background-color:var(--card-bg);border-radius:var(--border-radius);padding:30px;margin-bottom:40px;box-shadow:var(--box-shadow)}.section-header{text-align:center;margin-bottom:30px}.section-header h2{color:var(--accent-color);font-size:1.8rem;margin-bottom:10px}.section-header p{color:var(--muted-text);font-size:1.1rem}.principle-container{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:40px}.principle-col{flex:1;min-width:250px}.principle-card{background-color:#0003;border-radius:var(--border-radius);padding:20px;height:100%;text-align:center}.card-icon{font-size:2.5rem;color:var(--accent-color);margin-bottom:15px}.principle-card h3{color:var(--light-text);margin-bottom:10px}.principle-card p{color:var(--muted-text);line-height:1.6}.process-diagram{background-color:#0003;border-radius:var(--border-radius);padding:25px}.process-diagram h3{color:var(--light-text);text-align:center;margin-bottom:25px}.process-steps{list-style:none;padding:0;display:flex;flex-direction:column;gap:20px}.process-steps li{display:flex;align-items:flex-start;gap:15px}.step-number{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:var(--primary-color);border-radius:50%;color:#fff;font-weight:700;font-size:1.2rem}.step-content h4{color:var(--accent-color);margin-bottom:5px}.step-content p{color:var(--muted-text);margin:0}.client-seed-container{display:flex;flex-wrap:wrap;gap:30px}.current-seed-card{flex:1;min-width:300px;background-color:#0003;border-radius:var(--border-radius);padding:20px}.seed-info h3{color:var(--light-text);margin-bottom:15px}.seed-input-group{display:flex;margin-bottom:10px}.seed-input{flex:1;padding:10px;border-radius:5px 0 0 5px;border:1px solid #444;background:#222;color:#fff}.action-btn{padding:10px 15px;border:none;background-color:#444;color:#fff;border-radius:0 5px 5px 0;cursor:pointer}.seed-hint{color:var(--muted-text);font-size:.85em;margin:5px 0 15px}.seed-actions{display:flex;gap:10px;margin-top:20px}.primary-btn,.secondary-btn{display:flex;align-items:center;gap:8px;padding:10px 15px;border:none;border-radius:5px;cursor:pointer;font-weight:700;transition:all .3s ease}.primary-btn{background-color:var(--primary-color);color:#fff}.secondary-btn{background-color:#444;color:#fff}.primary-btn:hover{background-color:#8e44ad}.secondary-btn:hover{background-color:#555}.seed-history-container{flex:1;min-width:300px;background-color:#0003;border-radius:var(--border-radius);padding:20px}.seed-history-container h3{color:var(--light-text);margin-bottom:15px}.seed-history-list{max-height:200px;overflow-y:auto}.empty-history-message{color:var(--muted-text);text-align:center;padding:20px}.empty-history-message i{font-size:2rem;margin-bottom:10px;opacity:.5}.verify-tool-container{display:flex;flex-wrap:wrap;gap:30px}.verify-form{flex:1;min-width:300px;background-color:#0003;border-radius:var(--border-radius);padding:20px}.form-group{margin-bottom:15px}.form-group label{display:block;color:var(--light-text);margin-bottom:5px}.form-group input{width:100%;padding:10px;border-radius:5px;border:1px solid #444;background:#222;color:#fff}.form-actions{display:flex;gap:10px;margin-top:20px}.verify-result{flex:1;min-width:300px;background-color:#0003;border-radius:var(--border-radius);padding:20px}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.result-header h3{color:var(--light-text);margin:0}.result-status-badge{padding:5px 10px;border-radius:20px;font-size:.8rem;font-weight:700}.result-details{background-color:#0003;border-radius:5px;padding:15px}.result-row{display:flex;justify-content:space-between;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid #ffffff1a}.result-row:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.result-label{color:var(--muted-text)}.result-value{color:var(--light-text);font-weight:700}.developer-tools-container{display:flex;flex-wrap:wrap;gap:20px}.dev-tool-card{flex:1;min-width:300px;background-color:#0003;border-radius:var(--border-radius);padding:20px}.dev-tool-card h3{color:var(--light-text);margin-bottom:15px}.result-display{margin-top:15px;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.result-display label{display:block;color:var(--light-text);width:100%;margin-bottom:5px}.result-display input{flex:1;padding:10px;border-radius:5px;border:1px solid #444;background:#222;color:#fff}.small-btn{padding:10px;border:none;background-color:#444;color:#fff;border-radius:5px;cursor:pointer}.distribution-display{margin-top:15px;min-height:100px;background-color:#0003;border-radius:5px;padding:15px;color:var(--muted-text)}.faq-container{display:flex;flex-direction:column;gap:15px}.faq-item{background-color:#0003;border-radius:var(--border-radius);overflow:hidden}.faq-question{padding:15px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.faq-question h3{color:var(--light-text);margin:0;font-size:1.1rem}.toggle-icon{color:var(--accent-color);transition:transform .3s}.faq-item.active .toggle-icon{transform:rotate(180deg)}.faq-answer{padding:0 20px 15px;color:var(--muted-text);line-height:1.6;display:none}.faq-item.active .faq-answer{display:block}@media (max-width: 768px){.fairness-banner{padding:30px 15px}.banner-title{font-size:2rem}.fairness-section{padding:20px}.principle-col,.current-seed-card,.seed-history-container,.verify-form,.verify-result,.dev-tool-card{min-width:100%}.seed-actions,.form-actions{flex-direction:column}.seed-input-group{flex-direction:column}.seed-input,.action-btn{border-radius:5px}.action-btn{margin-top:5px}}.verify-tabs{display:flex;margin-bottom:20px;background-color:#0000004d;border-radius:var(--border-radius);padding:5px}.tab-btn{flex:1;padding:12px 20px;border:none;background:transparent;color:var(--muted-text);cursor:pointer;border-radius:calc(var(--border-radius) - 3px);display:flex;align-items:center;justify-content:center;gap:8px;font-weight:500;transition:all .3s ease}.tab-btn:hover{background-color:#ffffff1a;color:var(--light-text)}.tab-btn.active{background-color:var(--primary-color);color:#fff}.tab-content{display:none}.tab-content.active{display:block}.lottery-verify-container{background-color:#0003;border-radius:var(--border-radius);padding:20px}.lottery-input-section{margin-bottom:30px}.input-group{display:flex;gap:10px;align-items:end}.input-group input{flex:1}.input-group .primary-btn{min-width:120px;justify-content:center}.lottery-verification-results{margin-top:20px}.lottery-verification-status{background:linear-gradient(135deg,#9b59b61a,#3498db1a);border-radius:var(--border-radius);padding:20px;margin-bottom:20px;border:1px solid #9b59b64d}.status-indicator{display:flex;align-items:center;gap:15px}.status-icon{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff;background:linear-gradient(45deg,var(--success-color),#27ae60);box-shadow:0 4px 15px #2ecc714d}.status-icon.error{background:linear-gradient(45deg,var(--error-color),#c0392b);box-shadow:0 4px 15px #e74c3c4d}.status-icon.warning{background:linear-gradient(45deg,#f39c12,#e67e22);box-shadow:0 4px 15px #f39c124d}.status-text h3{margin:0 0 5px;color:var(--light-text);font-size:1.3rem}.status-text p{margin:0;color:var(--muted-text);font-size:1rem}.lottery-info-card,.blockchain-proof-card,.randomness-sources-card,.draw-history-card,.verification-tools-card{background:#0000004d;border-radius:var(--border-radius);padding:20px;margin-bottom:20px;border:1px solid #ffffff1a}.lottery-info-card h3,.blockchain-proof-card h3,.randomness-sources-card h3,.draw-history-card h3,.verification-tools-card h3{margin:0 0 15px;color:var(--accent-color);font-size:1.2rem;font-weight:600;border-bottom:2px solid #f1c40f4d;padding-bottom:8px}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}.info-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#9b59b61a;border-radius:8px;border-left:4px solid var(--primary-color)}.info-item .label{font-weight:600;color:var(--muted-text)}.info-item .value{color:var(--light-text);font-family:"Courier New",monospace;font-weight:500;word-break:break-all}.proof-chain{position:relative}.proof-block{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;border-radius:12px;padding:20px;margin-bottom:15px;position:relative;border:2px solid transparent;background-clip:padding-box;transition:all .3s ease}.proof-block:hover{transform:translateY(-2px);box-shadow:0 8px 25px #9b59b64d}.proof-block:not(:last-child)::after{content:"⬇️";position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);background:var(--dark-bg);border-radius:50%;width:35px;height:35px;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 2px 10px #0000004d;border:2px solid var(--primary-color)}.block-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.block-type{background:#fff3;padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:600}.block-timestamp{font-size:.85rem;opacity:.9}.block-hash{font-family:"Courier New",monospace;font-size:.75rem;background:#ffffff1a;padding:8px;border-radius:6px;margin:8px 0;word-break:break-all;line-height:1.4}.block-details{margin-top:15px;padding-top:15px;border-top:1px solid #fff3}.block-detail{display:flex;justify-content:space-between;margin-bottom:8px}.block-detail .detail-label{opacity:.9;font-weight:500}.block-detail .detail-value{font-family:"Courier New",monospace;font-size:.85rem;word-break:break-all}.randomness-info{display:grid;gap:12px}.source-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f1c40f1a;border-radius:8px;border-left:4px solid var(--accent-color)}.source-label{font-weight:600;color:var(--muted-text)}.source-value{font-family:"Courier New",monospace;color:var(--light-text);font-size:.85rem;word-break:break-all}.history-list{max-height:400px;overflow-y:auto;border:1px solid #ffffff1a;border-radius:8px;background:#0003}.history-item{display:grid;grid-template-columns:auto 1fr auto auto;gap:15px;align-items:center;padding:15px;border-bottom:1px solid #ffffff1a;transition:background-color .3s ease}.history-item:hover{background:#9b59b61a}.history-item:last-child{border-bottom:none}.history-nonce{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));color:#fff;padding:8px;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}.history-details h4{margin:0 0 5px;color:var(--light-text);font-size:1rem}.history-details p{margin:0;color:var(--muted-text);font-size:.85rem}.history-proof{font-family:"Courier New",monospace;font-size:.75rem;color:var(--muted-text);background:#0000004d;padding:4px 8px;border-radius:4px}.history-verify-btn{background:linear-gradient(45deg,var(--secondary-color),#1976d2);color:#fff;border:none;padding:8px 16px;border-radius:20px;cursor:pointer;font-size:.8rem;transition:all .3s ease}.history-verify-btn:hover{transform:translateY(-1px);box-shadow:0 4px 15px #3498db66}.tools-section{display:flex;gap:12px;flex-wrap:wrap}.tools-section .action-btn{background:linear-gradient(45deg,var(--primary-color),var(--secondary-color));color:#fff;border:none;padding:12px 20px;border-radius:25px;cursor:pointer;font-weight:600;display:flex;align-items:center;gap:8px;transition:all .3s ease}.tools-section .action-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #9b59b666}.blockchain-explanation-section{background:linear-gradient(135deg,#9b59b61a,#3498db1a);border:1px solid #9b59b64d}.explanation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.explanation-card{background:#0000004d;padding:20px;border-radius:var(--border-radius);border-left:4px solid var(--primary-color);transition:all .3s ease}.explanation-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #9b59b633}.explanation-card h4{color:var(--accent-color);margin:0 0 10px;font-size:1.1rem}.explanation-card p{color:var(--muted-text);margin:0;line-height:1.6}@media (max-width: 768px){.verify-tabs{flex-direction:column}.tab-btn{text-align:center}.input-group{flex-direction:column;gap:10px}.info-grid{grid-template-columns:1fr}.tools-section{flex-direction:column}.tools-section .action-btn{justify-content:center}.explanation-grid{grid-template-columns:1fr}.history-item{grid-template-columns:1fr;text-align:center;gap:10px}.status-indicator{flex-direction:column;text-align:center;gap:10px}.proof-block:not(:last-child)::after{left:20px;transform:none}}