* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    background: #040b1b; 
    color: #94a3b8; 
    font-family: 'Inter', sans-serif; 
    overflow: hidden; 
}
#Line_UpDown {
    margin: 40px;
}
.Line_UpDown {
    background: #1a1f3a;
    border: 1px solid #2a3458;
    border-radius: 4px;
    padding: 20px;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.5);
}
.Line_UpDown_Top {
    border: 1px solid #2a3458;
    border-radius: 4px;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.3);
}
.top-bar {
    display: flex; 
    align-items: center; 
    gap: 12px;
    padding: 15px 20px; 
    background: #040b1b;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    border-bottom: 1px solid #0b1627; 
    height: 40px;
}
.market-select {
    background: #0e1521; 
    border: 1px solid #1e293b;
    color: #38bdf8; 
    font-size: 14px; 
    font-weight: bold;
    padding: 3px 10px; 
    border-radius: 4px; 
    border-bottom-right-radius: 4px;
    border-bottom-left-radius: 4px;
    cursor: pointer; outline: none;
}
.market-select option { background: #0e1521; }
.sel-tf {
    background: #0e1521; border: 1px solid #1e293b;
    color: #94a3b8; font-size: 13px;
    padding: 3px 8px; border-radius: 4px; cursor: pointer; outline: none;
}
.sel-tf option { background: #0e1521; }
.legend { display: flex; align-items: center; gap: 16px; font-size: 11px; color: #475569; }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-line { width: 18px; height: 2px; border-radius: 1px; }
.top-label { font-size: 11px; color: #334155; letter-spacing: 2px; margin-left: auto; }
.chart-container {
    position: relative;
    width: 100%;
    height: 400px;
    cursor: grab;
    background: #040b1b;
    border: 1px solid #2a3458;
    border-radius: 4px;
    margin-top: 10px;
    padding: 20px 20px 20px 10px;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.3);
}
.chart-container:active { cursor: grabbing; }
.slider-bar {
    display: flex; 
    align-items: center; 
    gap: 10px;
    padding: 10px 20px; 
    background: #040b1b;
    border-bottom: 1px solid #0b1627; 
    height: 34px;
}
.slider-label { font-size: 11px; color: #475569; white-space: nowrap; }
.ctrl-slider {
    -webkit-appearance: none; appearance: none;
    width: 300px; height: 4px;
    background: #1e293b; border-radius: 2px; outline: none; cursor: pointer;
}
.ctrl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px; height: 14px;
    background: #38bdf8; border-radius: 50%; cursor: pointer;
}
.ctrl-slider::-moz-range-thumb {
    width: 14px; height: 14px;
    background: #38bdf8; border-radius: 50%; border: none; cursor: pointer;
}
.btn-zoom {
    background: #0e1521; border: 1px solid #1e293b;
    color: #94a3b8; font-size: 11px;
    padding: 2px 8px; border-radius: 3px; cursor: pointer; white-space: nowrap;
}
.btn-zoom:hover { background: #1e293b; color: #e2e8f0; }