:root{--primary-bg: #0a0a0a;--secondary-bg: #1a1a1a;--card-bg: #1e1e1e;--card-highlight-bg: #252525;--text-primary: #ffffff;--text-secondary: #b0b0b0;--text-muted: #707070;--border-color: #333333;--accent-color: #f7931a;--warning-color: #ffa500;--error-color: #ff4757;--success-color: #2ed573;--info-color: #3742fa;--bitcoin-orange: #f7931a;--mining-green: #00d4aa}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--primary-bg);color:var(--text-primary);min-height:100vh;line-height:1.6}.container{max-width:1400px;margin:0 auto;padding:20px}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:24px;margin-bottom:20px;transition:all .3s ease;box-shadow:0 2px 8px #0000004d}.card:hover{border-color:var(--accent-color);box-shadow:0 4px 16px #f7931a1a}.card-highlight{background:var(--card-highlight-bg);border-color:var(--accent-color)}.card-earnings{background:linear-gradient(135deg,var(--card-bg) 0%,#1a2a1a 100%);border-color:var(--success-color)}.card-connection{background:linear-gradient(135deg,var(--card-bg) 0%,#1a1a2a 100%);border-color:var(--info-color)}.header{margin-bottom:30px}.header-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.header-main h1{font-size:2.8rem;margin-bottom:.5rem;color:var(--text-primary);background:linear-gradient(135deg,var(--accent-color),var(--mining-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-subtitle{color:var(--text-secondary);font-size:1.2rem;font-weight:500}.header-stats{display:flex;gap:30px}.header-stat{text-align:center}.stat-label{display:block;color:var(--text-muted);font-size:.9rem;margin-bottom:4px}.stat-value{display:block;color:var(--text-primary);font-size:1.1rem;font-weight:600}.header-update-info{text-align:center;color:var(--text-muted);font-size:.95rem;padding:10px;background:var(--secondary-bg);border-radius:6px;border:1px solid var(--border-color)}.btn{background:var(--secondary-bg);color:var(--text-primary);border:1px solid var(--border-color);padding:10px 20px;border-radius:5px;cursor:pointer;font-size:1rem;transition:all .3s ease}.btn:hover{background:var(--card-bg);border-color:var(--accent-color)}.btn-success{background:var(--success-color);color:#000;border-color:var(--success-color)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:20px}.grid-full-width{grid-column:1 / -1}.alert{padding:12px;border-radius:6px;margin-bottom:8px;border-left:4px solid}.alert-success{background:#00ff881a;border-left-color:var(--success-color)}.alert-warning{background:#ffaa001a;border-left-color:var(--warning-color)}.alert-error{background:#ff44441a;border-left-color:var(--error-color)}.alert-info{background:#00ff880d;border-left-color:var(--accent-color)}.status-online{display:inline-block;width:8px;height:8px;background:var(--success-color);border-radius:50%;margin-right:8px}.status-offline{display:inline-block;width:8px;height:8px;background:var(--error-color);border-radius:50%;margin-right:8px}.metric{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-color);transition:all .2s ease}.metric:hover{background:#f7931a0d;border-radius:6px;padding-left:8px;padding-right:8px}.metric:last-child{border-bottom:none}.metric-label{color:var(--text-secondary);font-size:.95rem;font-weight:500}.metric-value{color:var(--text-primary);font-weight:600;font-size:1rem}.metric-large{font-size:1.3rem;font-weight:700;color:var(--accent-color)}.connection-info{display:grid;grid-template-columns:1fr 1fr;gap:30px}.connection-section h3{color:var(--accent-color);margin-bottom:15px;font-size:1.1rem}.connection-details{display:flex;flex-direction:column;gap:12px}.connection-item{display:flex;justify-content:space-between;padding:8px 12px;background:var(--secondary-bg);border-radius:6px;border:1px solid var(--border-color)}.connection-label{color:var(--text-secondary);font-weight:500}.connection-value{color:var(--text-primary);font-weight:600;font-family:Courier New,monospace}.miners-list{display:flex;flex-direction:column;gap:8px}.miner-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--secondary-bg);border-radius:6px;border:1px solid var(--border-color)}.miner-rank{color:var(--accent-color);font-weight:600;min-width:30px}.miner-address{color:var(--text-secondary);font-family:Courier New,monospace;flex:1;margin-left:12px}.miner-hashrate{color:var(--success-color);font-weight:600}.pool-status-footer{background:var(--secondary-bg);border:1px solid var(--border-color);border-radius:12px;padding:24px;margin:30px 0}.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin-bottom:20px}.status-section h4{color:var(--accent-color);margin-bottom:12px;font-size:1.1rem}.status-items{display:flex;flex-direction:column;gap:8px}.status-item{display:flex;align-items:center;color:var(--text-secondary);font-size:.95rem}.refresh-section{text-align:center;padding-top:20px;border-top:1px solid var(--border-color)}.btn-refresh{background:var(--accent-color);color:#000;border-color:var(--accent-color);font-weight:600;padding:12px 24px;font-size:1rem}.btn-refresh:hover{background:var(--mining-green);border-color:var(--mining-green);transform:translateY(-2px);box-shadow:0 4px 12px #f7931a4d}.btn-refresh:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.calculator-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:20px}.input-group{display:flex;flex-direction:column;gap:8px}.input-group label{color:var(--text-secondary);font-weight:500;font-size:.9rem}.calculator-input{background:var(--secondary-bg);border:1px solid var(--border-color);border-radius:6px;padding:10px 12px;color:var(--text-primary);font-size:1rem;transition:all .3s ease}.calculator-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #f7931a33}.market-data{display:flex;justify-content:space-around;background:var(--secondary-bg);border-radius:8px;padding:15px;margin:20px 0}.market-item{text-align:center}.market-label{display:block;color:var(--text-muted);font-size:.85rem;margin-bottom:4px}.market-value{display:block;color:var(--text-primary);font-weight:600;font-size:1rem}.calculator-results{margin-top:20px;padding-top:20px;border-top:1px solid var(--border-color)}.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin:20px 0}.result-section{background:var(--secondary-bg);border-radius:8px;padding:16px}.result-section h4{color:var(--accent-color);margin-bottom:12px;font-size:1rem}.result-item{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--border-color)}.result-item:last-child{border-bottom:none}.profitability-status{margin-top:20px;padding:15px;border-radius:8px;text-align:center;font-weight:600}.status-profitable{background:#2ed5731a;color:var(--success-color);border:1px solid var(--success-color)}.status-unprofitable{background:#ff47571a;color:var(--error-color);border:1px solid var(--error-color)}.stats-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.time-range-selector{display:flex;gap:8px}.time-btn{background:var(--secondary-bg);border:1px solid var(--border-color);color:var(--text-secondary);padding:6px 12px;border-radius:4px;cursor:pointer;font-size:.85rem;transition:all .3s ease}.time-btn:hover{border-color:var(--accent-color);color:var(--text-primary)}.time-btn.active{background:var(--accent-color);border-color:var(--accent-color);color:#000;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.stat-card{display:flex;align-items:center;background:var(--secondary-bg);border:1px solid var(--border-color);border-radius:8px;padding:16px;transition:all .3s ease}.stat-card:hover{border-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 4px 12px #f7931a1a}.stat-icon{font-size:2rem;margin-right:12px}.stat-content{flex:1}.stat-value{display:block;font-size:1.4rem;font-weight:700;color:var(--text-primary);line-height:1.2}.stat-label{display:block;font-size:.85rem;color:var(--text-muted);margin-top:2px}.advanced-stats{display:grid;gap:12px}.historical-charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.chart-section{background:var(--secondary-bg);border-radius:8px;padding:16px}.chart-section h4{color:var(--accent-color);margin-bottom:12px;font-size:.95rem}.simple-chart{display:flex;align-items:end;height:120px;gap:2px;padding:10px 0}.chart-bar{flex:1;min-height:4px;border-radius:2px;cursor:pointer;transition:all .2s ease}.chart-bar:hover{opacity:.8;transform:scaleY(1.05)}@media (max-width: 768px){.header-content{flex-direction:column;text-align:center;gap:20px}.header-stats{justify-content:center}.connection-info,.status-grid{grid-template-columns:1fr}.header-main h1{font-size:2.2rem}.calculator-inputs{grid-template-columns:1fr}.market-data{flex-direction:column;gap:12px}.results-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.historical-charts{grid-template-columns:1fr}.stats-header{flex-direction:column;gap:15px}.pool-options{grid-template-columns:1fr}.pool-option{min-height:60px;padding:12px}.pool-option-icon{width:40px;height:40px;font-size:1.5rem}}.pool-switcher{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px #0000004d}.pool-switcher-header{text-align:center;margin-bottom:20px}.pool-switcher-header h2{color:var(--text-primary);margin-bottom:5px;font-size:1.3rem}.pool-switcher-header p{color:var(--text-secondary);font-size:.9rem}.pool-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:15px}.pool-option{background:var(--secondary-bg);border:2px solid var(--border-color);border-radius:10px;padding:16px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:12px;position:relative;min-height:70px}.pool-option:hover{border-color:var(--accent-color);background:var(--card-highlight-bg);transform:translateY(-2px)}.pool-option.active{border-color:var(--accent-color);background:var(--card-highlight-bg);box-shadow:0 0 15px #f7931a4d}.pool-option-icon{font-size:2rem;display:flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:8px;background:var(--card-bg)}.pool-option-content{flex:1}.pool-option-name{color:var(--text-primary);font-weight:600;font-size:1rem;margin-bottom:4px}.pool-option-description{color:var(--text-secondary);font-size:.85rem}.pool-option-indicator{position:absolute;top:8px;right:8px;color:var(--success-color);font-weight:700;font-size:1.2rem}.pool-demo .pool-option-icon{background:linear-gradient(135deg,#667eea,#764ba2)}.pool-donation .pool-option-icon{background:linear-gradient(135deg,#f093fb,#f5576c)}.pool-lowfee .pool-option-icon{background:linear-gradient(135deg,#4facfe,#00f2fe)}