*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#060a12;--bg-elevated:#0d1117;--bg-surface:#0f141ebf;--bg-glass:#141b28a6;--border-subtle:#38445a66;--border-active:#6382ff80;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#484f58;--accent-blue:#6382ff;--accent-cyan:#39d0d8;--accent-green:#26a69a;--accent-red:#ef5350;--gradient-brand:linear-gradient(135deg, #6382ff 0%, #39d0d8 100%);--gradient-surface:linear-gradient(180deg, #0f141ee6 0%, #060a12 100%);--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-glow:0 0 20px #6382ff26;--shadow-card:0 4px 24px #0006;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.3s cubic-bezier(.4, 0, .2, 1);--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--header-height:60px}html,body{height:100%;font-family:var(--font-family);color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;overflow:hidden}#app-header{z-index:100;height:var(--header-height);background:var(--bg-glass);-webkit-backdrop-filter:blur(24px)saturate(1.4);border-bottom:1px solid var(--border-subtle);align-items:center;gap:20px;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}.header-brand{flex-shrink:0;align-items:center;gap:8px;display:flex}.brand-icon{width:22px;height:22px;color:var(--accent-cyan);filter:drop-shadow(0 0 6px #39d0d866)}.brand-text{letter-spacing:-.02em;background:var(--gradient-brand);-webkit-text-fill-color:transparent;white-space:nowrap;-webkit-background-clip:text;background-clip:text;font-size:15px;font-weight:700}.header-controls{flex:1;align-items:center;gap:14px;display:flex}.control-group{align-items:center;gap:6px;display:flex}.control-group label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);white-space:nowrap;font-size:11px;font-weight:500}.control-group input,.control-group select{height:34px;font-family:var(--font-family);color:var(--text-primary);background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:0 10px;font-size:13px;font-weight:500}.control-group input:focus,.control-group select:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #6382ff26}#symbol-search{width:160px}#chart-type{cursor:pointer;width:140px}#atr-period,#tick-period{text-align:center;width:70px}.param-group{opacity:0;max-width:0;transition:opacity var(--transition-smooth), max-width var(--transition-smooth);pointer-events:none;overflow:hidden}.param-group.visible{opacity:1;pointer-events:auto;max-width:200px}.search-wrapper{position:relative}.dropdown{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:220px;max-height:280px;box-shadow:var(--shadow-card);z-index:200;position:absolute;top:calc(100% + 4px);left:0;overflow-y:auto}.dropdown.hidden{display:none}.dropdown-item{color:var(--text-primary);cursor:pointer;transition:background var(--transition-fast);padding:8px 12px;font-size:13px;font-weight:500}.dropdown-item:hover,.dropdown-item.highlighted{color:var(--accent-blue);background:#6382ff1f}.dropdown::-webkit-scrollbar{width:6px}.dropdown::-webkit-scrollbar-track{background:0 0}.dropdown::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:3px}.btn-primary{height:34px;font-family:var(--font-family);color:#fff;background:var(--gradient-brand);border-radius:var(--radius-sm);cursor:pointer;transition:transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);white-space:nowrap;border:none;align-items:center;gap:4px;padding:0 16px;font-size:13px;font-weight:600;display:inline-flex}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.status-badge{text-transform:uppercase;letter-spacing:.06em;border:1px solid #0000;border-radius:20px;flex-shrink:0;align-items:center;gap:6px;margin-left:auto;padding:4px 12px;font-size:11px;font-weight:600;display:flex}.status-dot{border-radius:50%;width:7px;height:7px;animation:2s infinite pulse}.status-idle{color:var(--text-muted);border-color:var(--border-subtle)}.status-idle .status-dot{background:var(--text-muted);animation:none}.status-loading{color:#f0b429;border-color:#f0b4294d}.status-loading .status-dot{background:#f0b429}.status-live{color:var(--accent-green);border-color:#26a69a4d}.status-live .status-dot{background:var(--accent-green)}.status-error{color:var(--accent-red);border-color:#ef53504d}.status-error .status-dot{background:var(--accent-red);animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}#main-content{top:var(--header-height);background:var(--bg-primary);position:fixed;bottom:0;left:0;right:0;overflow:hidden}#chart-container{width:100%;height:100%}.blank-overlay{z-index:10;background:var(--gradient-surface);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.blank-overlay.hidden{display:none}.blank-content{text-align:center;animation:.6s fadeIn}.blank-icon{width:64px;height:64px;color:var(--text-muted);opacity:.5;margin-bottom:16px}.blank-content h2{background:var(--gradient-brand);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:20px;font-weight:700}.blank-content p{color:var(--text-secondary);max-width:320px;font-size:14px}.loading-overlay{z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#060a12d9;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.loading-overlay.hidden{display:none}.spinner{border:3px solid var(--border-subtle);border-top-color:var(--accent-cyan);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}.loading-overlay p{color:var(--text-secondary);font-size:13px;font-weight:500}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){#app-header{height:auto;min-height:var(--header-height);flex-wrap:wrap;gap:8px;padding:10px 12px}.header-controls{flex-wrap:wrap;gap:8px}#symbol-search{width:120px}#main-content{height:calc(100vh - 120px);position:relative;top:auto}}select option{background:var(--bg-elevated);color:var(--text-primary)}