:root{text-rendering:optimizeLegibility;--header-height: 40px}*{box-sizing:border-box}body{margin:0;overflow:hidden;background-color:#f8f9fa;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}#root{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{height:var(--header-height);background-color:#2c3e50;color:#fff;padding:0 15px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 4px #0000001a;z-index:100;flex-shrink:0}.chart-container{flex:1;display:flex;overflow:hidden;position:relative}.chart-wrapper{flex:1;position:relative;overflow:hidden}.chart-area{width:100%;height:100%;background-color:#fff;overflow:hidden}.chart-loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-color:#131e28bf;display:flex;align-items:center;justify-content:center;z-index:10}.indicator-overlay{position:absolute;top:8px;left:8px;z-index:20;pointer-events:none}.indicator-overlay>*{pointer-events:auto}.indicator-overlay-toggle{background:#1e283780;border:1px solid rgba(160,160,160,.4);color:#ccc;padding:4px 8px;border-radius:4px;cursor:pointer;font-size:.85rem}.indicator-overlay-toggle:hover{color:#fff;background:#1e2837e6}.indicator-list{background:#1e283780;border:1px solid rgba(160,160,160,.4);border-radius:4px;padding:6px 0;margin-top:4px;min-width:200px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.indicator-row{display:flex;align-items:center;gap:8px;padding:4px 10px;color:#ddd;font-size:.82rem}.indicator-row .indicator-name{flex:1}.indicator-row button{background:none;border:none;color:#aaa;cursor:pointer;padding:2px 4px;font-size:.85rem}.indicator-row button:hover{color:#fff}.indicator-row button.eye-off{color:#555}.indicator-collapse-handle{text-align:center;color:#888;cursor:pointer;padding:2px 0;font-size:.7rem;border-top:1px solid rgba(160,160,160,.25);margin-top:4px}.indicator-collapse-handle:hover{color:#fff}.settings-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;z-index:1050;display:flex;align-items:center;justify-content:center}.settings-modal-dialog{background:#2c3e50;color:#ddd;border-radius:8px;width:100%;max-width:420px;box-shadow:0 10px 30px #00000080}.settings-modal-dialog .modal-header{border-bottom-color:#ffffff1a}.settings-modal-dialog .btn-close{filter:invert(1)}.settings-modal-dialog label{color:#ccc}.settings-modal-dialog input[type=number]{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#eee;border-radius:4px;padding:2px 6px;width:5em}.settings-modal-dialog input[type=checkbox]{accent-color:#3498db}.header-setup-select{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:4px;padding:2px 8px;height:28px;font-size:.85rem}.header-setup-select option{background:#2c3e50;color:#fff}.btn-primary{background-color:#3498db;border-color:#3498db}.btn-primary:hover{background-color:#2980b9;border-color:#2980b9}.timeframe-btn{background-color:#e9ecef;border:1px solid #ced4da;color:#495057;padding:5px 10px;border-radius:4px;margin:0 3px;cursor:pointer;transition:all .2s}.timeframe-btn.active{background-color:#3498db;color:#fff;border-color:#3498db}.timeframe-btn:hover{background-color:#dee2e6}.chart-title{font-size:1.1rem;font-weight:600;color:#fff}.chart-controls{display:flex;gap:10px}.control-btn{background-color:#e9ecef;border:none;width:36px;height:36px;border-radius:4px;align-items:center;justify-content:center;cursor:pointer;color:#495057}.control-btn:hover{background-color:#dee2e6}input[type=number]{width:5em}.realtime-connection-off{color:red;font-weight:700}.realtime-connection-on{color:#27ae60;font-weight:700}.auth-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;z-index:1050;display:flex;align-items:center;justify-content:center}.auth-modal-dialog{background:#fff;border-radius:8px;width:100%;max-width:420px;box-shadow:0 10px 30px #0000004d;color:#212529}