/* Quantization Signal Processing Lab - Two-Tab Layout */

#quantContainer {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #0a0a0a;
    color: #e0e0e0;
    font-family: 'Courier New', monospace;
}

/* ---- Tab Bar ---- */
#quantContainer .tab-bar {
    display: flex;
    gap: 0;
    margin-bottom: 0;
}

#quantContainer .tab-btn {
    flex: 1;
    padding: 10px 0;
    background-color: #1a1a1a;
    color: #808080;
    border: 1px solid #333;
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.2s, color 0.2s;
}

#quantContainer .tab-btn:hover {
    background-color: #222;
    color: #b0b0b0;
}

#quantContainer .tab-btn.active {
    background-color: #0a0a0a;
    color: #00ccff;
    border-color: #444;
    border-bottom: 1px solid #0a0a0a;
    text-shadow: 0 0 6px rgba(0,200,255,0.4);
}

#quantContainer .tab-body {
    border: 1px solid #444;
    border-top: none;
    border-radius: 0 0 6px 6px;
    padding: 15px;
    background-color: #0a0a0a;
}

#quantContainer .tab-pane {
    display: none;
}

#quantContainer .tab-pane.active {
    display: block;
}

/* ---- Control Panel ---- */
#quantContainer .control-panel {
    background-color: #1a1a1a;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 1px solid #333;
    box-shadow: 0 0 10px rgba(0, 200, 255, 0.1);
}

#quantContainer .control-row {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
    flex-wrap: nowrap;
    justify-content: flex-start;
}

#quantContainer .control-row:last-child {
    margin-bottom: 0;
}

#quantContainer .control-row label {
    min-width: 130px;
    font-size: 12px;
    color: #b0b0b0;
    white-space: nowrap;
    font-family: 'Courier New', monospace;
}

#quantContainer .control-row select {
    flex: 1;
    min-width: 150px;
    padding: 5px;
    background-color: #2a2a2a;
    color: #e0e0e0;
    border: 1px solid #444;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    cursor: pointer;
}

#quantContainer .control-row select:hover {
    border-color: #00ccff;
}

#quantContainer .control-row select:focus {
    outline: none;
    border-color: #00ccff;
    box-shadow: 0 0 5px rgba(0, 200, 255, 0.3);
}

#quantContainer .control-row input[type="range"] {
    flex: 1;
    min-width: 180px;
    height: 6px;
    background: #2a2a2a;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

#quantContainer .control-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #00ccff;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 200, 255, 0.5);
}

#quantContainer .control-row input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #00ccff;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 5px rgba(0, 200, 255, 0.5);
}

#quantContainer .value-display {
    min-width: 80px;
    text-align: right;
    font-size: 12px;
    color: #00ccff;
    font-family: 'Courier New', monospace;
}

#quantContainer .spin-box {
    width: 112px;
    padding: 5px 8px;
    background-color: #2a2a2a;
    color: #e0e0e0;
    border: 1px solid #444;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    text-align: left;
    -moz-appearance: textfield;
    appearance: textfield;
}

#quantContainer .spin-box::-webkit-outer-spin-button,
#quantContainer .spin-box::-webkit-inner-spin-button {
    opacity: 0.5;
    background: #1e1e1e;
    border-left: 1px solid #333;
    margin: 0;
    padding: 0 6px;
}

#quantContainer .spin-box:hover::-webkit-outer-spin-button,
#quantContainer .spin-box:hover::-webkit-inner-spin-button {
    opacity: 0.75;
    background: #252525;
}

#quantContainer .spin-box:hover,
#quantContainer .spin-box:focus {
    border-color: #00ccff;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 200, 255, 0.3);
}

/* ---- Buttons ---- */
#quantContainer .btn {
    padding: 8px 16px;
    background-color: #1a3a5a;
    color: #00ccff;
    border: 1px solid #00ccff;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    transition: all 0.2s;
    min-width: 80px;
    box-shadow: 0 0 5px rgba(0, 200, 255, 0.2);
}

#quantContainer .btn:hover:not(:disabled) {
    background-color: #2a4a6a;
    box-shadow: 0 0 10px rgba(0, 200, 255, 0.4);
}

#quantContainer .btn:active:not(:disabled) {
    background-color: #0a2a4a;
}

#quantContainer .btn:disabled {
    background-color: #333;
    color: #666;
    border-color: #555;
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

#quantContainer .btn-stop {
    background-color: #5a1a1a;
    color: #ff6644;
    border-color: #ff6644;
    box-shadow: 0 0 5px rgba(255, 102, 68, 0.2);
}

#quantContainer .btn-stop:hover:not(:disabled) {
    background-color: #6a2a2a;
    box-shadow: 0 0 10px rgba(255, 102, 68, 0.4);
}

#quantContainer .info-display {
    background-color: #2a2a2a;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 11px;
    color: #b0b0b0;
    font-family: 'Courier New', monospace;
}

/* ---- Charts ---- */
#quantContainer .chart-container {
    background-color: #2a2a2a;
    padding: 15px;
    border-radius: 5px;
    margin-top: 15px;
    border: 1px solid #444;
}

#quantContainer .chart-label {
    color: #00ccff;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 5px rgba(0, 200, 255, 0.5);
}

#quantContainer .quant-canvas {
    width: 100%;
    height: 160px;
    display: block;
    border: 1px solid #333;
    border-radius: 3px;
    background-color: #000000;
    box-shadow: inset 0 0 10px rgba(0, 200, 255, 0.1);
}

/* ---- Info Box ---- */
#quantContainer .info-box {
    background-color: #1a1a1a;
    padding: 12px 15px;
    border-radius: 5px;
    margin-top: 15px;
    border: 1px solid #333;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
}

#quantContainer .info-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

#quantContainer .info-label {
    color: #808080;
}

#quantContainer .info-value {
    color: #00ccff;
    font-weight: bold;
}

#quantContainer .info-value.warn {
    color: #ff6644;
}

#quantContainer .info-value.good {
    color: #44ff88;
}

/* ---- Chart Toolbar (zoom/pan/home) ---- */
#quantContainer .chart-wrap {
    position: relative;
}

#quantContainer .chart-toolbar {
    position: absolute;
    top: 38px;
    left: 20px;
    display: flex;
    gap: 2px;
    z-index: 10;
    opacity: 0.5;
    transition: opacity 0.2s;
}

#quantContainer .chart-wrap:hover .chart-toolbar {
    opacity: 1.0;
}

#quantContainer .chart-toolbar .tb-btn {
    width: 22px;
    height: 22px;
    padding: 0;
    background-color: rgba(30, 30, 30, 0.85);
    color: #00ccff;
    border: 1px solid #444;
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    line-height: 20px;
    text-align: center;
    font-family: 'Courier New', monospace;
    transition: background-color 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#quantContainer .chart-toolbar .tb-btn:hover {
    background-color: rgba(0, 200, 255, 0.2);
    border-color: #00ccff;
}

#quantContainer .chart-toolbar .tb-btn:active {
    background-color: rgba(0, 200, 255, 0.35);
}

#quantContainer .chart-toolbar .tb-btn svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: #00ccff;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

#quantContainer .chart-toolbar .tb-btn:hover svg {
    stroke: #66ddff;
}

/* ---- Legend ---- */
#quantContainer .chart-legend {
    display: flex;
    gap: 20px;
    margin-top: 6px;
    justify-content: center;
    font-size: 11px;
    color: #888;
    font-family: 'Courier New', monospace;
}

#quantContainer .legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

#quantContainer .legend-swatch {
    width: 14px;
    height: 3px;
    border-radius: 1px;
}