:root{--primary: #6C5CE7;--primary-light: #A29BFE;--primary-dark: #4A3DB8;--accent: #00D2D3;--accent-light: #55E6E6;--success: #00B894;--warning: #FDCB6E;--error: #E17055;--info: #74B9FF;--bg-primary: #0F0F1A;--bg-secondary: #1A1A2E;--bg-card: #16213E;--bg-card-hover: #1C2A4A;--bg-input: #0F1629;--text-primary: #E8E8F0;--text-secondary: #8B8BA7;--text-muted: #5A5A7A;--border: rgba(108, 92, 231, .15);--border-active: rgba(108, 92, 231, .4);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(108, 92, 231, .2);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition: all .25s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:12px;padding:8px 12px;margin-bottom:32px}.sidebar-logo .logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#fff}.sidebar-logo h1{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:var(--transition);cursor:pointer;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:#6c5ce71a;color:var(--text-primary)}.nav-item.active{background:#6c5ce726;color:var(--primary-light);border-left:3px solid var(--primary)}.nav-item .nav-icon{font-size:18px;width:24px;text-align:center}.main-content{flex:1;margin-left:260px;padding:32px;min-height:100vh}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.page-header h2{font-size:28px;font-weight:700;background:linear-gradient(135deg,var(--text-primary),var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;transition:var(--transition)}.card:hover{border-color:var(--border-active);box-shadow:var(--shadow-glow)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius-md) var(--radius-md) 0 0}.stat-card.purple:before{background:linear-gradient(90deg,var(--primary),var(--primary-light))}.stat-card.cyan:before{background:linear-gradient(90deg,var(--accent),var(--accent-light))}.stat-card.green:before{background:linear-gradient(90deg,var(--success),#55efc4)}.stat-card.orange:before{background:linear-gradient(90deg,var(--error),var(--warning))}.stat-card .stat-icon{font-size:28px;margin-bottom:12px}.stat-card .stat-value{font-size:32px;font-weight:800;margin-bottom:4px}.stat-card .stat-label{font-size:13px;color:var(--text-secondary);font-weight:500}.table-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.table-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.table-header h3{font-size:16px;font-weight:600}table{width:100%;border-collapse:collapse}th{text-align:left;padding:14px 24px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}td{padding:14px 24px;font-size:14px;border-bottom:1px solid rgba(255,255,255,.03)}tr:hover td{background:#6c5ce708}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);border:none;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 12px #6c5ce74d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6c5ce766}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--primary)}.btn-danger{background:#e1705526;color:var(--error);border:1px solid rgba(225,112,85,.3)}.btn-success{background:#00b89426;color:var(--success);border:1px solid rgba(0,184,148,.3)}.btn-sm{padding:6px 14px;font-size:13px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.form-input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:inherit;transition:var(--transition)}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6c5ce726}.form-input::placeholder{color:var(--text-muted)}select.form-input{cursor:pointer}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-success{background:#00b89426;color:var(--success)}.badge-warning{background:#fdcb6e26;color:var(--warning)}.badge-error{background:#e1705526;color:var(--error)}.badge-info{background:#74b9ff26;color:var(--info)}.badge-purple{background:#6c5ce726;color:var(--primary-light)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(ellipse at top,var(--bg-secondary),var(--bg-primary))}.login-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px;width:420px;max-width:90vw;box-shadow:var(--shadow-lg)}.login-box .logo-area{text-align:center;margin-bottom:40px}.login-box .logo-area .logo-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;color:#fff;margin-bottom:16px}.login-box .logo-area h1{font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-box .logo-area p{color:var(--text-muted);font-size:14px;margin-top:8px}.login-error{background:#e170551a;border:1px solid rgba(225,112,85,.3);color:var(--error);padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:20px}.connection-card{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:20px}.connection-dot{width:12px;height:12px;border-radius:50%;animation:pulse 2s infinite}.connection-dot.connected{background:var(--success);box-shadow:0 0 8px var(--success)}.connection-dot.disconnected{background:var(--error);box-shadow:0 0 8px var(--error)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.price-preview{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin-top:20px}.price-step{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.03)}.price-step:last-child{border-bottom:none;font-weight:700;color:var(--accent)}.price-step .step-label{font-size:14px}.price-step .step-value{font-size:14px;font-weight:600}.log-entry{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.03)}.log-entry:last-child{border-bottom:none}.log-time{font-size:12px;color:var(--text-muted);min-width:130px}.log-message{font-size:14px;flex:1}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-state h3{font-size:18px;margin-bottom:8px;color:var(--text-secondary)}.empty-state p{font-size:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;width:520px;max-width:90vw;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal h3{font-size:20px;font-weight:700;margin-bottom:24px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}.stats-grid{grid-template-columns:1fr 1fr}}