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rgba(239,68,68,.3);border-radius:var(--radius-md);color:#fca5a5;font-size:.875rem;margin-bottom:var(--space-lg)}.login-actions{margin-bottom:var(--space-xl)}.login-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast)}.login-btn.primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px #6366f166}.login-btn.primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #6366f180}.login-btn.secondary{background:var(--bg-tertiary);color:var(--text-secondary)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.login-info{text-align:center;padding:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--space-lg)}.login-info p{font-size:.75rem;color:var(--text-muted);margin:0;line-height:1.6}.login-info strong{color:var(--text-secondary)}.login-footer{text-align:center;border-top:1px solid var(--border-primary);padding-top:var(--space-lg)}.login-footer p{font-size:.75rem;color:var(--text-muted);margin:0 0 var(--space-sm)}.features{display:flex;justify-content:center;gap:var(--space-md);flex-wrap:wrap}.features span{font-size:.75rem;color:var(--text-secondary)}.help-section{margin-top:var(--space-lg)}.help-section details{background:rgba(17,24,39,.6);border-radius:var(--radius-md);border:1px solid var(--border-primary)}.help-section summary{padding:var(--space-md);cursor:pointer;color:var(--text-secondary);font-size:.875rem}.help-section summary:hover{color:var(--text-primary)}.help-content{padding:0 var(--space-md) var(--space-md)}.help-content h4{font-size:.875rem;color:var(--text-primary);margin-bottom:var(--space-sm)}.help-content ol{padding-left:var(--space-lg);font-size:.8rem;color:var(--text-secondary);line-height:1.8}.help-content a{color:var(--accent-primary);text-decoration:none}.help-content a:hover{text-decoration:underline}.help-content code{background:var(--bg-tertiary);padding:2px 6px;border-radius:var(--radius-sm);font-size:.75rem;word-break:break-all}@media (max-width: 480px){.login-card{padding:var(--space-lg)}.broker-options{grid-template-columns:1fr}.features{flex-direction:column;gap:var(--space-xs)}}.app{display:flex;flex-direction:column;min-height:100vh;background:var(--bg-primary)}.app.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-primary)}.loading-screen p{margin-top:var(--space-md);color:var(--text-secondary);font-size:.875rem}.main-content{flex:1;display:grid;grid-template-columns:280px 1fr 320px;gap:var(--space-md);padding:var(--space-md);max-height:calc(100vh - 112px);overflow:hidden}.sidebar{display:flex;flex-direction:column;gap:var(--space-md);overflow-y:auto}.left-sidebar{min-width:280px}.right-sidebar{min-width:320px}.sidebar-panel{flex:1;min-height:0}.sidebar-panel:last-child{flex:1.5}.center-content{display:flex;flex-direction:column;gap:var(--space-md);min-height:0;overflow:hidden}.chart-section{flex:1;min-height:500px}.footer{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-lg);background:var(--bg-secondary);border-top:1px solid var(--border-primary);height:48px}.footer-left{display:flex;align-items:center;gap:var(--space-sm);font-size:.75rem;color:var(--text-muted)}.footer-left .divider{color:var(--border-primary)}.footer-link{color:var(--accent-primary)}.footer-right{font-size:.75rem;color:var(--text-muted)}.disclaimer{opacity:.7}@media (max-width: 1280px){.main-content{grid-template-columns:240px 1fr 280px}}@media (max-width: 1024px){.main-content{grid-template-columns:1fr;max-height:none;overflow:visible}.sidebar{display:none}.center-content{order:1}.chart-section{min-height:400px}}@media (max-width: 640px){.main-content{padding:var(--space-sm)}.footer{flex-direction:column;height:auto;gap:var(--space-xs);padding:var(--space-sm)}}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(10,14,23,.9);display:flex;align-items:center;justify-content:center;z-index:1000}.loader{width:48px;height:48px;border:3px solid var(--bg-tertiary);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-tertiary: #1f2937;--bg-card: rgba(17, 24, 39, .8);--bg-glass: rgba(31, 41, 55, .6);--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);--color-bullish: #10b981;--color-bearish: #ef4444;--color-bullish-bg: rgba(16, 185, 129, .1);--color-bearish-bg: rgba(239, 68, 68, .1);--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-muted: #6b7280;--border-primary: rgba(75, 85, 99, .4);--border-focus: #6366f1;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*{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;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 20%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(139,92,246,.08) 0%,transparent 50%);pointer-events:none;z-index:-1}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}h1{font-size:2.25rem}h2{font-size:1.75rem}h3{font-size:1.375rem}h4{font-size:1.125rem}.glass-card{background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal)}.glass-card:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-outline{background:transparent;border:1px solid var(--border-primary);color:var(--text-primary)}.btn-outline:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-buy{background:var(--color-bullish);color:#fff}.btn-buy:hover{background:#059669;transform:scale(1.02)}.btn-sell{background:var(--color-bearish);color:#fff}.btn-sell:hover{background:#dc2626;transform:scale(1.02)}.input{width:100%;padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f133}.input::placeholder{color:var(--text-muted)}.price-up{color:var(--color-bullish)}.price-down{color:var(--color-bearish)}.price-badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:2px 8px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:500}.price-badge.up{background:var(--color-bullish-bg);color:var(--color-bullish)}.price-badge.down{background:var(--color-bearish-bg);color:var(--color-bearish)}.grid{display:grid;gap:var(--space-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn .5s ease forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-secondary) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}.tooltip{position:relative}.tooltip:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%);padding:var(--space-xs) var(--space-sm);background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:.75rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--transition-fast)}.tooltip:hover:after{opacity:1}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.connected{background:var(--color-bullish);box-shadow:0 0 6px var(--color-bullish)}.status-dot.disconnected{background:var(--color-bearish)}.status-dot.connecting{background:#f59e0b;animation:pulse 1s infinite}