/* =========================================
   Bottom Controls Bar
   ========================================= */
.controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    align-items: center;
    z-index: 1000;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.ctrl-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-icon-only {
    padding: 0;
    width: 40px;
    height: 40px;
    justify-content: center;
    border-radius: 50%;
}

#cameraBtn.active {
    background: transparent !important;
    color: var(--accent-primary) !important;
    border-color: var(--accent-primary) !important;
    box-shadow: none !important;
}

/* =========================================
   Sliders & Containers
   ========================================= */
.opacity-container,
.sensitivity-container {
    display: flex !important;
    align-items: center;
    gap: 10px;
    margin-left: 10px;
    padding-left: 15px;
    border-left: 1px solid var(--border-color);
    position: relative;
    pointer-events: auto;
    opacity: 1;
}

.opacity-container span,
.sensitivity-container span {
    color: var(--accent-primary) !important;
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    background: transparent;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    background: var(--accent-primary) !important;
    border-radius: 2px;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    background: #fff !important;
    border: 2px solid var(--accent-primary);
    height: 16px;
    width: 16px;
    margin-top: -6px;
    cursor: pointer;
    border-radius: 50%;
}

.slider-wrapper {
    position: relative;
    display: inline-block;
}

.slider-label {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--accent-primary);
    white-space: nowrap;
    pointer-events: none;
}

/* Motion Detection Canvas */
#output_canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: auto;
    cursor: pointer;

    z-index: 10;
    transform: scaleX(-1);
    transition: transform 0.3s ease;
}