.matter-container {
            background-color: #ffffff;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            width: 100%;
            max-width: 800px;
        }
        .matter-container canvas {
            border: 5px solid #4a90e2; /* حدود الخزان */
            border-radius: 10px;
            background-color: #e0f2f7; /* لون خلفية داخل الخزان */
            box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
            display: block;
            touch-action: none; /* لمنع التمرير الافتراضي على اللمس */
            max-width: 100%;
            height: auto;
        }
        .controls {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            width: 100%;
        }
        .control-group {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 10px 15px;
            background-color: #f7f9fb;
            border-radius: 12px;
            box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        .matter-container label {
            font-weight: 600;
            color: #555;
            margin-bottom: 5px;
        }
        .matter-container input[type="radio"] {
            margin-left: 5px;
            accent-color: #4a90e2; /* لون الزر المحدد */
        }
        .matter-container input[type="range"] {
            width: 180px;
            height: 8px;
            background: #d1d9e6;
            border-radius: 5px;
            outline: none;
            -webkit-appearance: none;
            appearance: none;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #4a90e2!important;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        input[type="range"]::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #4a90e2!important;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        .matter-container button {
            background-color: #4a90e2;
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.2s ease-in-out;
            box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
        }
        .matter-container button:hover {
            background-color: #357bd9;
            transform: translateY(-2px);
            box-shadow: 0 7px 20px rgba(74, 144, 226, 0.4);
        }
        #temperatureDisplay {
            font-size: 1.5em;
            font-weight: bold;
            color: #2c3e50;
            min-width: 150px;
            text-align: center;
        }
        .temp-unit-toggle {
            background-color: #a0aec0;
            padding: 5px 10px;
            border-radius: 8px;
            font-size: 0.9em;
            transition: background-color 0.2s;
        }
        .temp-unit-toggle:hover {
            background-color: #718096;
        }
        .temp-control {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .temp-control img {
            width: 40px;
            height: 40px;
            object-fit: contain;
        }
        #fireIceSlider {
            width: 150px;
        }

        /* أنماط خاصة لحالة الخزان المكسور */
        .broken-tank-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/js_programs/matter-state/explosion-tank.png'); /* صورة افتراضية للخزان المكسور */
            background-size: cover;
            background-position: center;
            opacity: 0.8;
            border-radius: 10px;
            z-index: 10; /* تأكد من أنها تظهر فوق القماش */
            display: none; /* مخفية افتراضيًا */
        }
        .canvas-wrapper {
            position: relative;
            width: 300px; /* حجم الخزان الافتراضي */
            height: 300px;
            margin-bottom: 20px;
        }
        #tankImage {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            z-index: 1; /* يجب أن تكون تحت الكانفاس */
        }
        /* لتناسب الشاشات الصغيرة */
        @media (max-width: 640px) {
            .matter-container{
                padding: 15px;
            }
            .controls {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .control-group {
                width: 100%;
            }
            input[type="range"] {
                width: 100%;
            }
        }
		#resetButton{
		display:none;
    background: url(/js_programs/matter-state/reset.png);
    background-size: 50px 50px;
    background-repeat: no-repeat;
    width: 50px;
    height: 50px;
	}
    </style>
	
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